rhsa-2016_1055
Vulnerability from csaf_redhat
Published
2016-05-12 07:58
Modified
2024-11-14 19:02
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise MRG 2.5.
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-rt packages contain the Linux kernel, the core of any Linux operating system.
The following packages have been upgraded to a newer upstream version: kernel-rt (3.10.0-327.18.2). This version provides a number of bug fixes and enhancements, including:
* [scsi] bnx2fc: Fix FCP RSP residual parsing and remove explicit logouts
* [scsi] mpt3sas: Fix for Asynchronous completion of timedout IO and task abort of timedout IO
* [scsi] scsi_error: should not get sense for timeout IO in scsi error handler
* [scsi] Revert libiscsi: Reduce locking contention in fast path
* [mm] madvise: fix MADV_WILLNEED on shmem swapouts
* [cpufreq] intel_pstate: decrease number of "HWP enabled" messages and enable HWP per CPU
* [kernel] sched: Robustify topology setup
* [kernel] sched/fair: Disable tg load_avg/runnable_avg update for root_task_group
* [kernel] sched/fair: Move hot load_avg/runnable_avg into separate cacheline
* [ib] mlx5: Fix RC transport send queue overhead computation
* [fs] nfsd: fix clp->cl_revoked list deletion causing softlock in nfsd
* [fs] ceph: multiple updates
(BZ#1320168)
Security Fix(es):
* A flaw was found in the way the Linux kernel's ASN.1 DER decoder processed certain certificate files with tags of indefinite length. A local, unprivileged user could use a specially crafted X.509 certificate DER file to crash the system or, potentially, escalate their privileges on the system. (CVE-2016-0758, Important)
Red Hat would like to thank Philip Pettersson of Samsung for reporting this issue.
Bug Fix(es):
* The hotplug lock and the console semaphore could be acquired in an incorrect order, which could previously lead to a deadlock causing the system console to freeze. The underlying code has been adjusted to acquire the locks in the correct order, resolving the bug with the console. (BZ#1267425)
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-rt is now available for Red Hat Enterprise MRG 2.5.\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-rt packages contain the Linux kernel, the core of any Linux operating system.\n\nThe following packages have been upgraded to a newer upstream version: kernel-rt (3.10.0-327.18.2). This version provides a number of bug fixes and enhancements, including:\n\n* [scsi] bnx2fc: Fix FCP RSP residual parsing and remove explicit logouts\n\n* [scsi] mpt3sas: Fix for Asynchronous completion of timedout IO and task abort of timedout IO\n\n* [scsi] scsi_error: should not get sense for timeout IO in scsi error handler\n\n* [scsi] Revert libiscsi: Reduce locking contention in fast path\n\n* [mm] madvise: fix MADV_WILLNEED on shmem swapouts\n\n* [cpufreq] intel_pstate: decrease number of \"HWP enabled\" messages and enable HWP per CPU\n\n* [kernel] sched: Robustify topology setup\n\n* [kernel] sched/fair: Disable tg load_avg/runnable_avg update for root_task_group\n\n* [kernel] sched/fair: Move hot load_avg/runnable_avg into separate cacheline\n\n* [ib] mlx5: Fix RC transport send queue overhead computation\n\n* [fs] nfsd: fix clp-\u003ecl_revoked list deletion causing softlock in nfsd\n\n* [fs] ceph: multiple updates\n\n(BZ#1320168)\n\nSecurity Fix(es):\n\n* A flaw was found in the way the Linux kernel\u0027s ASN.1 DER decoder processed certain certificate files with tags of indefinite length. A local, unprivileged user could use a specially crafted X.509 certificate DER file to crash the system or, potentially, escalate their privileges on the system. (CVE-2016-0758, Important)\n\nRed Hat would like to thank Philip Pettersson of Samsung for reporting this issue.\n\nBug Fix(es):\n\n* The hotplug lock and the console semaphore could be acquired in an incorrect order, which could previously lead to a deadlock causing the system console to freeze. The underlying code has been adjusted to acquire the locks in the correct order, resolving the bug with the console. (BZ#1267425)", "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-2016:1055", "url": "https://access.redhat.com/errata/RHSA-2016:1055" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1300257", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1300257" }, { "category": "external", "summary": "1320168", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1320168" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_1055.json" } ], "title": "Red Hat Security Advisory: kernel-rt security and bug fix update", "tracking": { "current_release_date": "2024-11-14T19:02:06+00:00", "generator": { "date": "2024-11-14T19:02:06+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2016:1055", "initial_release_date": "2016-05-12T07:58:56+00:00", "revision_history": [ { "date": "2016-05-12T07:58:56+00:00", "number": "1", "summary": "Initial version" }, { "date": "2016-05-12T07:58:56+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-14T19:02:06+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat MRG 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Realtime for RHEL 6 Server v.2", "product_id": "6Server-MRG-Realtime-2:kernel-rt-firmware-1:3.10.0-327.rt56.183.el6rt.noarch" }, "product_reference": "kernel-rt-firmware-1:3.10.0-327.rt56.183.el6rt.noarch", "relates_to_product_reference": "6Server-MRG-Realtime-2" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2", "product_id": "6Server-MRG-Realtime-2:kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64" }, "product_reference": "kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64", "relates_to_product_reference": "6Server-MRG-Realtime-2" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-rt-trace-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2", "product_id": "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64" }, "product_reference": 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"default_component_of", "full_product_name": { "name": "kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2", "product_id": "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64" }, "product_reference": "kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "relates_to_product_reference": "6Server-MRG-Realtime-2" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2", "product_id": "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64" }, "product_reference": "kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "relates_to_product_reference": "6Server-MRG-Realtime-2" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Philip Pettersson" ], "organization": "Samsung" } ], "cve": "CVE-2016-0758", "cwe": { "id": "CWE-120", "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)" }, "discovery_date": "2016-01-20T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1300257" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way the Linux kernel\u0027s ASN.1 DER decoder processed certain certificate files with tags of indefinite length. A local, unprivileged user could use a specially crafted X.509 certificate DER file to crash the system or, potentially, escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: tags with indefinite length can corrupt pointers in asn1_find_indefinite_length()", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6.\n\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2.", "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": [ "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.src", "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-doc-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-firmware-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2016-0758" }, { "category": "external", "summary": "RHBZ#1300257", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1300257" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2016-0758", "url": "https://www.cve.org/CVERecord?id=CVE-2016-0758" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-0758", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0758" } ], "release_date": "2016-05-12T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2016-05-12T07:58:56+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": [ "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.src", "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-doc-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-firmware-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2016:1055" } ], "scores": [ { "cvss_v2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0" }, "products": [ "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.src", "6Server-MRG-Realtime-2:kernel-rt-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debug-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-doc-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-firmware-1:3.10.0-327.rt56.183.el6rt.noarch", "6Server-MRG-Realtime-2:kernel-rt-trace-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-trace-devel-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-1:3.10.0-327.rt56.183.el6rt.x86_64", "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-1:3.10.0-327.rt56.183.el6rt.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: tags with indefinite length can corrupt pointers in asn1_find_indefinite_length()" } ] }
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Sightings
Author | Source | Type | Date |
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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.