RHSA-2018_3822
Vulnerability from csaf_redhat - Published: 2018-12-13 15:59 - Updated: 2024-11-14 23:46Summary
Red Hat Security Advisory: kernel security and bug fix update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 5 Extended Lifecycle Support.
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):
* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824)
* kernel: Use-after-free in sys_mq_notify() (CVE-2017-11176)
* kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Mohamed Ghannam for reporting CVE-2017-8824.
Bug Fix(es):
* Previously, on certain Intel 64 systems, the microcode contained a new model-specific register (MSR) that was not present in the older microcode running on CPUs that had not been updated yet. As a consequence, the system crashed due to a general protection fault on a CPU running the older microcode. This update fixes the bug by having the kernel use MSR access routines that handle the general protection fault. As a result, the system no longer crashes in the described scenario. (BZ#1651481)
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.
A use-after-free vulnerability was found in DCCP socket code affecting the Linux kernel since 2.6.16. This vulnerability could allow an attacker to their escalate privileges.
7.8 (High)
Affected products
Fixed
38 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 5Server-ELS:kernel-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-0:2.6.18-436.el5.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-PAE-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-PAE-debuginfo-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-PAE-devel-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-debuginfo-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-debuginfo-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-debuginfo-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-devel-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-devel-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debug-devel-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-common-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-common-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-debuginfo-common-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-devel-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-devel-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-devel-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-doc-0:2.6.18-436.el5.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-headers-0:2.6.18-436.el5.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-headers-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-headers-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-kdump-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-kdump-debuginfo-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-kdump-devel-0:2.6.18-436.el5.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-debuginfo-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-debuginfo-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-devel-0:2.6.18-436.el5.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 5Server-ELS:kernel-xen-devel-0:2.6.18-436.el5.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Important
A use-after-free flaw was found in the Netlink functionality of the Linux kernel networking subsystem. Due to the insufficient cleanup in the mq_notify function, a local attacker could potentially use this flaw to escalate their privileges on the system.
7.8 (High)
Affected products
Fixed
38 products, the same list as for
CVE-2017-8824
Threats
Impact
Moderate
A use-after-free vulnerability was found when issuing an ioctl to a sound device. This could allow a user to exploit a race condition and create memory corruption or possibly privilege escalation.
5.5 (Medium)
Affected products
Fixed
38 products, the same list as for
CVE-2017-8824
Threats
Impact
Moderate
References
18 references
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"title": "kernel: Use-after-free in sys_mq_notify()"
},
{
"cve": "CVE-2017-15265",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2017-10-11T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1501878"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free vulnerability was found when issuing an ioctl to a sound device. This could allow a user to exploit a race condition and create memory corruption or possibly privilege escalation.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Use-after-free in snd_seq_ioctl_create_port()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the Linux kernel packages as shipped with Red Hat\nEnterprise Linux 5,6, 7, realtime and MRG-2.\n\nRed Hat Enterprise Linux 5 has transitioned to Production phase 3. \nDuring the Production 3 Phase, Critical impact Security Advisories (RHSAs) \nand selected Urgent Priority Bug Fix Advisories (RHBAs) may be released \nas they become available.\n\nThe official life cycle policy can be reviewed here:\n\nhttp://redhat.com/rhel/lifecycle\n\nFuture Linux kernel updates for the respective releases 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"
}
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-15265"
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"title": "kernel: Use-after-free in snd_seq_ioctl_create_port()"
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}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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