RHSA-2026:0754

Vulnerability from csaf_redhat - Published: 2026-01-19 01:18 - Updated: 2026-01-19 15:57
Summary
Red Hat Security Advisory: kernel-rt security update

Notes

Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 7 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too (CVE-2025-37823) * kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses (CVE-2023-53675) * kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv() (CVE-2023-53705) * kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285) 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.
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": "2402293"
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        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ses: Fix possible desc_ptr out-of-bounds accesses\n\nSanitize possible desc_ptr out-of-bounds accesses in\nses_enclosure_data_process().",
          "title": "Vulnerability description"
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          "text": "kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses",
          "title": "Vulnerability summary"
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        {
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          "text": "The ses_enclosure_data_process() routine did not sufficiently validate descriptor pointer positions before dereferencing them, which could allow the parser to read beyond the buffer when a device or crafted input reports malformed enclosure pages. The fix adds strict pointer and length checks to avoid out-of-bounds accesses.",
          "title": "Statement"
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        {
          "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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    },
    {
      "cve": "CVE-2025-68285",
      "cwe": {
        "id": "CWE-825",
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      "discovery_date": "2025-12-16T00:00:00+00:00",
      "ids": [
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          "text": "2422801"
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          "title": "Vulnerability description"
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          "category": "summary",
          "text": "kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This race condition occurs during Ceph client session establishment. Exploitation is timing-dependent and requires concurrent map updates during mount, making practical exploitation difficult but not impossible.",
          "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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      "title": "kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.