rhsa-2024_1303
Vulnerability from csaf_redhat
Published
2024-03-13 00:17
Modified
2024-11-23 00:26
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 9.2 Extended Update Support. 'Red Hat Product Security has rated this update as having a security impact of Moderate. 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: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480) Bug Fix(es): * kernel-rt: kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (JIRA:RHEL-8998) * kernel-rt: update RT source tree to the latest RHEL-9.2.z7 Batch (JIRA:RHEL-26863)
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.


To clipboard 

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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: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)\n\nBug Fix(es):\n\n* kernel-rt: kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (JIRA:RHEL-8998)\n\n* kernel-rt: update RT source tree to the latest RHEL-9.2.z7 Batch (JIRA:RHEL-26863)",
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          "text": "A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.",
          "title": "Vulnerability description"
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          "text": "kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion",
          "title": "Vulnerability summary"
        },
        {
          "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.",
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-0480"
        },
        {
          "category": "external",
          "summary": "RHBZ#2049700",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2049700"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-0480",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-0480"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-0480",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0480"
        },
        {
          "category": "external",
          "summary": "https://github.com/kata-containers/kata-containers/issues/3373",
          "url": "https://github.com/kata-containers/kata-containers/issues/3373"
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      "title": "kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion"
    }
  ]
}


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