rhsa-2023_0854
Vulnerability from csaf_redhat
Published
2023-02-21 09:01
Modified
2024-11-15 13:24
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 Linux 8.
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 provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)
* kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)
* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* RHEL8-RT: Backport use of a dedicate thread for timer wakeups (BZ#2127204)
* SNO Crashed twice - kernel BUG at lib/list_debug.c:28 (BZ#2132062)
* Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139851)
* scheduling while atomic in fpu_clone() -> fpu_inherit_perms() (BZ#2154469)
* The latest RHEL 8.7.z2 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2159806)
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 © 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 Linux 8.\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 provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)\n\n* kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)\n\n* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* RHEL8-RT: Backport use of a dedicate thread for timer wakeups (BZ#2127204)\n\n* SNO Crashed twice - kernel BUG at lib/list_debug.c:28 (BZ#2132062)\n\n* Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139851)\n\n* scheduling while atomic in fpu_clone() -> fpu_inherit_perms() (BZ#2154469)\n\n* The latest RHEL 8.7.z2 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2159806)", 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-2023:0854", url: "https://access.redhat.com/errata/RHSA-2023:0854", }, { category: "external", summary: "https://access.redhat.com/security/updates/classification/#important", url: "https://access.redhat.com/security/updates/classification/#important", }, { category: "external", summary: "2119048", url: "https://bugzilla.redhat.com/show_bug.cgi?id=2119048", }, { category: "external", summary: "2138818", url: "https://bugzilla.redhat.com/show_bug.cgi?id=2138818", }, { category: "external", summary: "2141752", url: "https://bugzilla.redhat.com/show_bug.cgi?id=2141752", }, { category: "self", summary: "Canonical URL", url: "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_0854.json", }, ], title: "Red Hat Security Advisory: kernel-rt security and bug fix update", tracking: { current_release_date: "2024-11-15T13:24:02+00:00", generator: { date: "2024-11-15T13:24:02+00:00", engine: { name: "Red Hat SDEngine", version: "4.2.1", }, }, id: "RHSA-2023:0854", initial_release_date: "2023-02-21T09:01:40+00:00", revision_history: [ { date: "2023-02-21T09:01:40+00:00", number: "1", summary: "Initial version", }, { date: "2023-02-21T09:01:40+00:00", number: "2", summary: "Last updated version", }, { date: "2024-11-15T13:24:02+00:00", number: "3", summary: "Last generated version", }, ], status: "final", version: "3", }, }, product_tree: { branches: [ { branches: [ { branches: [ { 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I2C_SMBUS) with malicious input data. 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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.