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cve-2017-2634
Vulnerability from cvelistv5
Published
2018-07-27 19:00
Modified
2024-08-05 14:02
Severity ?
EPSS score ?
Summary
It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.
References
▼ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2017-0323.html | Third Party Advisory | |
secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2017-0346.html | Third Party Advisory | |
secalert@redhat.com | http://rhn.redhat.com/errata/RHSA-2017-0347.html | Third Party Advisory | |
secalert@redhat.com | http://www.securityfocus.com/bid/96529 | Third Party Advisory, VDB Entry | |
secalert@redhat.com | http://www.securitytracker.com/id/1037909 | Third Party Advisory, VDB Entry | |
secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634 | Issue Tracking, Patch, Third Party Advisory | |
secalert@redhat.com | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51 | Patch, Third Party Advisory |
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rhsa-2017_0346
Vulnerability from csaf_redhat
Published
2017-02-28 15:03
Modified
2024-11-05 19:55
Summary
Red Hat Security Advisory: kernel security and bug fix update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 5.9 Long Life.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
* It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)
Important: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. (BZ#1426309)
Red Hat would like to thank Andrey Konovalov (Google) for reporting
CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* A use-after-free flaw was found in the way the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)\n\n* It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. 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If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2017:0346", "url": "https://access.redhat.com/errata/RHSA-2017:0346" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/2706661", "url": "https://access.redhat.com/security/vulnerabilities/2706661" }, { "category": "external", "summary": "1423071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1423071" }, { "category": "external", "summary": "1424751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1424751" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_0346.json" } ], "title": "Red Hat Security Advisory: kernel security and bug fix update", "tracking": { "current_release_date": "2024-11-05T19:55:05+00:00", "generator": { "date": "2024-11-05T19:55:05+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2017:0346", "initial_release_date": "2017-02-28T15:03:22+00:00", "revision_history": [ { "date": "2017-02-28T15:03:22+00:00", "number": "1", "summary": "Initial version" }, { "date": "2017-02-28T15:03:22+00:00", "number": "2", "summary": "Last updated version" }, { "date": 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"relates_to_product_reference": "5Server-5.9.AUS" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64 as a component of Red Hat Enterprise Linux Long Life (v. 5.9 server)", "product_id": "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64" }, "product_reference": "kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64", "relates_to_product_reference": "5Server-5.9.AUS" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Wade Mealing" ], "organization": "Red Hat Product Security", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2017-2634", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2017-02-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1424751" } ], "notes": [ { "category": "description", "text": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: dccp: crash while sending ipv6 reset packet", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5 kernel. This issue was fixed in a versions 6 and 7 prior to this issue being raised.\n\nFuture Linux kernel updates for Red Hat Enterprise Linux 5 may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.x86_64", 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includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.i686", 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"scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-doc-0:2.6.18-348.33.1.el5.noarch", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.i386", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "kernel: dccp: crash while sending ipv6 reset packet" }, { "acknowledgments": [ { "names": [ "Andrey Konovalov" ], "organization": "Google" } ], "cve": "CVE-2017-6074", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2017-02-17T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1423071" } ], "notes": [ { "category": "description", "text": "A use-after-free flaw was found in the way the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use after free in dccp protocol", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.\n\nAs this issue is rated as Important, it has been scheduled to be fixed in a future version of Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", 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"https://www.cve.org/CVERecord?id=CVE-2017-6074", "url": "https://www.cve.org/CVERecord?id=CVE-2017-6074" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-6074", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-6074" }, { "category": "external", "summary": "https://access.redhat.com/node/2934281", "url": "https://access.redhat.com/node/2934281" } ], "release_date": "2017-02-22T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-02-28T15:03:22+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", 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"5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.i386", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64" ], "restart_required": { "category": "machine" }, "url": "https://access.redhat.com/errata/RHSA-2017:0346" }, { "category": "workaround", "details": "Recent versions of the SELinux policy can mitigate this flaw. The steps below will work with SELinux enabled or disabled.\n\nAs the DCCP module will be auto-loaded when required, its use can be disabled \nby preventing the module from loading with the following instructions:\n\n # echo \"install dccp /bin/true\" \u003e\u003e /etc/modprobe.d/disable-dccp.conf \n \nThe system will need to be restarted if the DCCP modules are loaded. In most circumstances, the DCCP kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.", "product_ids": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-doc-0:2.6.18-348.33.1.el5.noarch", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.i386", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.src", "5Server-5.9.AUS:kernel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-PAE-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-PAE-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debug-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-debuginfo-common-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-devel-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-doc-0:2.6.18-348.33.1.el5.noarch", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.i386", "5Server-5.9.AUS:kernel-headers-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-debuginfo-0:2.6.18-348.33.1.el5.x86_64", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.i686", "5Server-5.9.AUS:kernel-xen-devel-0:2.6.18-348.33.1.el5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: use after free in dccp protocol" } ] }
rhsa-2017_0347
Vulnerability from csaf_redhat
Published
2017-02-28 15:03
Modified
2024-11-05 19:54
Summary
Red Hat Security Advisory: kernel security and bug fix update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 5.6 Long Life.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
* It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)
Important: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. (BZ#1426311)
Red Hat would like to thank Andrey Konovalov (Google) for reporting CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel is now available for Red Hat Enterprise Linux 5.6 Long Life.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* A use-after-free flaw was found in the way the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)\n\n* It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)\n\nImportant: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. (BZ#1426311)\n\nRed Hat would like to thank Andrey Konovalov (Google) for reporting CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2017:0347", "url": "https://access.redhat.com/errata/RHSA-2017:0347" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/2706661", "url": "https://access.redhat.com/security/vulnerabilities/2706661" }, { "category": "external", "summary": "1423071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1423071" }, { "category": "external", "summary": "1424751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1424751" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_0347.json" } ], "title": "Red Hat Security Advisory: kernel security and bug fix update", "tracking": { "current_release_date": "2024-11-05T19:54:59+00:00", "generator": { "date": "2024-11-05T19:54:59+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2017:0347", "initial_release_date": "2017-02-28T15:03:15+00:00", "revision_history": [ { "date": "2017-02-28T15:03:15+00:00", "number": "1", "summary": "Initial version" }, { "date": "2017-02-28T15:03:15+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T19:54:59+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Long Life (v. 5.6 server)", "product": { "name": "Red Hat Enterprise Linux Long Life (v. 5.6 server)", "product_id": "5Server-5.6.LL", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_mission_critical:5.6" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "kernel-debuginfo-common-0:2.6.18-238.58.1.el5.ia64", "product": { "name": "kernel-debuginfo-common-0:2.6.18-238.58.1.el5.ia64", "product_id": "kernel-debuginfo-common-0:2.6.18-238.58.1.el5.ia64", "product_identification_helper": { "purl": "pkg:rpm/redhat/kernel-debuginfo-common@2.6.18-238.58.1.el5?arch=ia64" } } }, { "category": "product_version", "name": 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for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: dccp: crash while sending ipv6 reset packet", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5 kernel. This issue was fixed in a versions 6 and 7 prior to this issue being raised.\n\nFuture Linux kernel updates for Red Hat Enterprise Linux 5 may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.src", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-PAE-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-debuginfo-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-devel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.i686", 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"5Server-5.6.LL:kernel-xen-devel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-xen-devel-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-xen-devel-0:2.6.18-238.58.1.el5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "kernel: dccp: crash while sending ipv6 reset packet" }, { "acknowledgments": [ { "names": [ "Andrey Konovalov" ], "organization": "Google" } ], "cve": "CVE-2017-6074", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2017-02-17T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1423071" } ], "notes": [ { "category": "description", "text": "A use-after-free flaw was found in the way the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use after free in dccp protocol", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.\n\nAs this issue is rated as Important, it has been scheduled to be fixed in a future version of Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.i686", 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"release_date": "2017-02-22T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-02-28T15:03:15+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.src", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-PAE-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-debuginfo-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-devel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.x86_64", 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this flaw. The steps below will work with SELinux enabled or disabled.\n\nAs the DCCP module will be auto-loaded when required, its use can be disabled \nby preventing the module from loading with the following instructions:\n\n # echo \"install dccp /bin/true\" \u003e\u003e /etc/modprobe.d/disable-dccp.conf \n \nThe system will need to be restarted if the DCCP modules are loaded. In most circumstances, the DCCP kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.", "product_ids": [ "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.src", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-PAE-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-debuginfo-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-devel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-debug-debuginfo-0:2.6.18-238.58.1.el5.i686", 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"UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.src", "5Server-5.6.LL:kernel-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-PAE-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-debuginfo-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-PAE-devel-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-debug-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-debug-debuginfo-0:2.6.18-238.58.1.el5.i686", "5Server-5.6.LL:kernel-debug-debuginfo-0:2.6.18-238.58.1.el5.ia64", "5Server-5.6.LL:kernel-debug-debuginfo-0:2.6.18-238.58.1.el5.x86_64", "5Server-5.6.LL:kernel-debug-devel-0:2.6.18-238.58.1.el5.i686", 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rhsa-2017_0323
Vulnerability from csaf_redhat
Published
2017-02-24 15:56
Modified
2024-11-05 19:54
Summary
Red Hat Security Advisory: kernel security update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 5.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
* It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)
Important: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. Please see Red Hat Bugzilla (BZ#1425177) for additional information.
Red Hat would like to thank Andrey Konovalov (Google) for reporting CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* A use-after-free flaw was found in the way the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)\n\n* It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system. (CVE-2017-2634, Moderate)\n\nImportant: This update disables the DCCP kernel module at load time by using the kernel module blacklist method. The module is disabled in an attempt to reduce further exposure to additional issues. Please see Red Hat Bugzilla (BZ#1425177) for additional information.\n\nRed Hat would like to thank Andrey Konovalov (Google) for reporting CVE-2017-6074. The CVE-2017-2634 issue was discovered by Wade Mealing (Red Hat Product Security).", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2017:0323", "url": "https://access.redhat.com/errata/RHSA-2017:0323" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1423071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1423071" }, { "category": "external", "summary": "1424751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1424751" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_0323.json" } ], "title": "Red Hat Security Advisory: kernel security update", "tracking": { "current_release_date": "2024-11-05T19:54:29+00:00", "generator": { "date": "2024-11-05T19:54:29+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2017:0323", "initial_release_date": "2017-02-24T15:56:33+00:00", "revision_history": [ { "date": "2017-02-24T15:56:33+00:00", "number": "1", "summary": "Initial version" }, { "date": "2017-02-24T15:56:33+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T19:54:29+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 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"relates_to_product_reference": "5Server-5.11.Z" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Wade Mealing" ], "organization": "Red Hat Product Security", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2017-2634", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2017-02-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1424751" } ], "notes": [ { "category": "description", "text": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: dccp: crash while sending ipv6 reset packet", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5 kernel. This issue was fixed in a versions 6 and 7 prior to this issue being raised.\n\nFuture Linux kernel updates for Red Hat Enterprise Linux 5 may address this issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Client-5.11.Z:kernel-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ia64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ppc64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.s390x", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.src", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.x86_64", "5Client-5.11.Z:kernel-PAE-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-PAE-debuginfo-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-PAE-devel-0:2.6.18-419.el5.i686", 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"https://www.cve.org/CVERecord?id=CVE-2017-2634" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-2634", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2634" } ], "release_date": "2017-02-24T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-02-24T15:56:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "5Client-5.11.Z:kernel-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ia64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ppc64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.s390x", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.src", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.x86_64", "5Client-5.11.Z:kernel-PAE-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-PAE-debuginfo-0:2.6.18-419.el5.i686", 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DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use after free in dccp protocol", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affects Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.\n\nAs this issue is rated as Important, it has been scheduled to be fixed in a future version of Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2 kernels.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Client-5.11.Z:kernel-0:2.6.18-419.el5.i686", 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"5Server-5.11.Z:kernel-xen-devel-0:2.6.18-419.el5.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2017-6074" }, { "category": "external", "summary": "RHBZ#1423071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1423071" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2017-6074", "url": "https://www.cve.org/CVERecord?id=CVE-2017-6074" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-6074", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-6074" }, { "category": "external", "summary": "https://access.redhat.com/node/2934281", "url": "https://access.redhat.com/node/2934281" } ], "release_date": "2017-02-22T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2017-02-24T15:56:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer 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The steps below will work with SELinux enabled or disabled.\n\nAs the DCCP module will be auto-loaded when required, its use can be disabled \nby preventing the module from loading with the following instructions:\n\n # echo \"install dccp /bin/true\" \u003e\u003e /etc/modprobe.d/disable-dccp.conf \n \nThe system will need to be restarted if the DCCP modules are loaded. In most circumstances, the DCCP kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.", "product_ids": [ "5Client-5.11.Z:kernel-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ia64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.ppc64", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.s390x", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.src", "5Client-5.11.Z:kernel-0:2.6.18-419.el5.x86_64", "5Client-5.11.Z:kernel-PAE-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-PAE-debuginfo-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-PAE-devel-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-debug-0:2.6.18-419.el5.i686", "5Client-5.11.Z:kernel-debug-0:2.6.18-419.el5.ia64", "5Client-5.11.Z:kernel-debug-0:2.6.18-419.el5.ppc64", "5Client-5.11.Z:kernel-debug-0:2.6.18-419.el5.s390x", 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"5Server-5.11.Z:kernel-xen-devel-0:2.6.18-419.el5.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: use after free in dccp protocol" } ] }
ghsa-qmpj-vx37-329m
Vulnerability from github
Published
2022-05-13 01:36
Modified
2022-05-13 01:36
Severity ?
Details
It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.
{ "affected": [], "aliases": [ "CVE-2017-2634" ], "database_specific": { "cwe_ids": [ "CWE-119", "CWE-476" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-07-27T19:29:00Z", "severity": "HIGH" }, "details": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "id": "GHSA-qmpj-vx37-329m", "modified": "2022-05-13T01:36:52Z", "published": "2022-05-13T01:36:52Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2634" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2017:0323" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2017:0346" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2017:0347" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2017-2634" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1424751" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2017-0323.html" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2017-0346.html" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2017-0347.html" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/96529" }, { "type": "WEB", "url": "http://www.securitytracker.com/id/1037909" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
gsd-2017-2634
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2017-2634", "description": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "id": "GSD-2017-2634", "references": [ "https://www.suse.com/security/cve/CVE-2017-2634.html", "https://access.redhat.com/errata/RHSA-2017:0347", "https://access.redhat.com/errata/RHSA-2017:0346", "https://access.redhat.com/errata/RHSA-2017:0323", "https://linux.oracle.com/cve/CVE-2017-2634.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2017-2634" ], "details": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "id": "GSD-2017-2634", "modified": "2023-12-13T01:21:05.866059Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2017-2634", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "kernel:", "version": { "version_data": [ { "version_affected": "=", "version_value": "2.6.22.17" } ] } } ] }, "vendor_name": "Linux" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system." } ] }, "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-476", "lang": "eng", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "http://rhn.redhat.com/errata/RHSA-2017-0323.html", "refsource": "MISC", "url": "http://rhn.redhat.com/errata/RHSA-2017-0323.html" }, { "name": "http://rhn.redhat.com/errata/RHSA-2017-0346.html", "refsource": "MISC", "url": "http://rhn.redhat.com/errata/RHSA-2017-0346.html" }, { "name": "http://rhn.redhat.com/errata/RHSA-2017-0347.html", "refsource": "MISC", "url": "http://rhn.redhat.com/errata/RHSA-2017-0347.html" }, { "name": "http://www.securityfocus.com/bid/96529", "refsource": "MISC", "url": "http://www.securityfocus.com/bid/96529" }, { "name": "http://www.securitytracker.com/id/1037909", "refsource": "MISC", "url": "http://www.securitytracker.com/id/1037909" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "2.6.22.17", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:5.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_server_aus:5.9:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2017-2634" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "It was found that the Linux kernel\u0027s Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634", "refsource": "CONFIRM", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634" }, { "name": "1037909", "refsource": "SECTRACK", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securitytracker.com/id/1037909" }, { "name": "96529", "refsource": "BID", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/96529" }, { "name": "RHSA-2017:0347", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2017-0347.html" }, { "name": "RHSA-2017:0346", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2017-0346.html" }, { "name": "RHSA-2017:0323", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "http://rhn.redhat.com/errata/RHSA-2017-0323.html" } ] } }, "impact": { "baseMetricV2": { "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2023-02-12T23:29Z", "publishedDate": "2018-07-27T19:29Z" } } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.