RHSA-2023:4541
Vulnerability from csaf_redhat
Published
2023-08-08 07:58
Modified
2025-02-06 15:10
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: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896) * kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281) * kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829) * kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235) * kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124) * kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194) 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): * Addding the building of i915 driver to 8.8 (BZ#2208276) * kernel-rt: update RT source tree to the RHEL-8.8.z2 source tree (BZ#2215026)
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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            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: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)\n\n* kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)\n\n* kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)\n\n* kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235)\n\n* kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)\n\n* kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194)\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* Addding the building of i915 driver to 8.8 (BZ#2208276)\n\n* kernel-rt: update RT source tree to the RHEL-8.8.z2 source tree (BZ#2215026)",
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2023-2235",
            },
            {
               category: "external",
               summary: "RHBZ#2192589",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=2192589",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2023-2235",
               url: "https://www.cve.org/CVERecord?id=CVE-2023-2235",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2023-2235",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2023-2235",
            },
            {
               category: "external",
               summary: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd0815f632c24878e325821943edccc7fde947a2",
               url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd0815f632c24878e325821943edccc7fde947a2",
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         release_date: "2023-03-15T00:00:00+00:00",
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               date: "2023-08-08T07:58:32+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.",
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         title: "kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events",
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   ],
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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