RLSA-2026:70459 (CVE-2025-39964)

Vulnerability from osv_rocky – Published: 2026-09-24 18:05 – Updated: 2026-09-25 12:14 – 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: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)

  • kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894)

  • kernel: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree (CVE-2026-45959)

  • kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)

  • kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823)

  • kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293)

  • kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157)

  • kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188)

  • kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156)

  • kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)

  • kernel: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds (CVE-2026-68391)

  • kernel: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete (CVE-2026-72072)

  • kernel: mm/hugetlb: fix list corruption in allocate_file_region_entries() (CVE-2026-74518)

Bug Fix(es) and Enhancement(s):

  • [Intel 9.8 FEAT] ice: Driver Update [rhel-9.8.z] (JIRA:Rocky Linux-213003)

  • Rocky Linux 9.8: Multiuser Kerberized DFS shares fail to mount with UID mount option [rhel-9.8.z] (JIRA:Rocky Linux-254108)

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
8.8 (High)
CVSS:3.1/AV:N/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:9",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:5.14.0-687.50.1.el9_8"
            }
          ],
          "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-2026:70459"
  },
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)\n\n* kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894)\n\n* kernel: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree (CVE-2026-45959)\n\n* kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)\n\n* kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823)\n\n* kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293)\n\n* kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157)\n\n* kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188)\n\n* kernel: libceph: refresh auth-\u003eauthorizer_buf{,_len} after authorizer update (CVE-2026-68156)\n\n* kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)\n\n* kernel: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds (CVE-2026-68391)\n\n* kernel: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete (CVE-2026-72072)\n\n* kernel: mm/hugetlb: fix list corruption in allocate_file_region_entries() (CVE-2026-74518)\n\nBug Fix(es) and Enhancement(s):\n\n* [Intel 9.8 FEAT] ice: Driver Update [rhel-9.8.z] (JIRA:Rocky Linux-213003)\n\n* Rocky Linux 9.8: Multiuser Kerberized DFS shares fail to mount with UID mount option [rhel-9.8.z] (JIRA:Rocky Linux-254108)\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-2026:70459",
  "modified": "2026-09-25T12:14:11.359322Z",
  "published": "2026-09-24T18:05:00.461776Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:70459"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403545"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481940"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481948"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492278"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502218"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513150"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513212"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513222"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513232"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513295"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513453"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516523"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517004"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:70459"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/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-2025-39964",
    "CVE-2026-45894",
    "CVE-2026-45959",
    "CVE-2026-53062",
    "CVE-2026-63823",
    "CVE-2026-68155",
    "CVE-2026-68156",
    "CVE-2026-68157",
    "CVE-2026-68188",
    "CVE-2026-68293",
    "CVE-2026-68391",
    "CVE-2026-72072",
    "CVE-2026-74518"
  ]
}



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