RLSA-2026:49211 (CVE-2025-68211)

Vulnerability from osv_rocky – Published: 2026-08-02 00:06 – Updated: 2026-08-16 00:09 – Source website
VLAI
Summary
Important: kernel security, bug fix, and enhancement update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)

  • kernel: isofs: validate Rock Ridge CE continuation extent against volume size (CVE-2026-46303)

  • kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle ()

Bug Fix(es) and Enhancement(s):

  • [DELL 10.2 FEAT] [LATE-ADD] - Include support for Ghostrider PTL mini config SKU with Realtek IC Solution [rhel-10.2.z] (JIRA:Rocky Linux-185669)

  • dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [rhel-10.2.z] (JIRA:Rocky Linux-212063)

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.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Credits
Rocky Enterprise Software Foundation
Red Hat
References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:10",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:6.12.0-211.42.1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:49211"
  },
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)\n\n* kernel: isofs: validate Rock Ridge CE continuation extent against volume size (CVE-2026-46303)\n\n* kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle ()\n\nBug Fix(es) and Enhancement(s):\n\n* [DELL 10.2 FEAT] [LATE-ADD] - Include support for Ghostrider PTL mini config SKU with Realtek IC Solution  [rhel-10.2.z] (JIRA:Rocky Linux-185669)\n\n* dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [rhel-10.2.z] (JIRA:Rocky Linux-212063)\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.",
  "id": "RLSA-2026:49211",
  "modified": "2026-08-16T00:09:26.308706Z",
  "published": "2026-08-02T00:06:56.595907Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:49211"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422696"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2504052"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486471"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:49211"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: kernel security, bug fix, and enhancement update",
  "upstream": [
    "CVE-2025-68211",
    "CVE-2026-46303",
    "CVE-2026-64530"
  ]
}



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