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RXSA-2026:51035 (CVE-2026-23415)

Vulnerability from osv_rocky – Published: 2026-08-06 18:10 – Updated: 2026-08-20 12:11 – Source website
VLAI
Summary
Moderate: 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: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() (CVE-2026-23415)

  • kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450)

Bug Fix(es) and Enhancement(s):

  • kernel panics caused by NULL pointer dereferences within octeon_ep_vf [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-186331)

  • [Rocky Linux SIG Cloud 9.4] Kernel memory reclaim bug [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-211058)

  • Bond network interface is not coming up with MTU 9000 while vPMEM is enabled [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-215575)

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.


{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9-sig-cloud\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "cloud-common"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:5.14.0-687.36.1.el9_8.cloud.1.0"
            }
          ],
          "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-2026:51035"
  },
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() (CVE-2026-23415)\n\n* kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450)\n\nBug Fix(es) and Enhancement(s):\n\n* kernel panics caused by NULL pointer dereferences within octeon_ep_vf [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-186331)\n\n* [Rocky Linux SIG Cloud 9.4] Kernel memory reclaim bug  [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-211058)\n\n* Bond network interface is not coming up with MTU 9000 while vPMEM is enabled [rhel-9.8.z] (JIRA:Rocky Linux SIG Cloud-215575)\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": "RXSA-2026:51035",
  "modified": "2026-08-20T12:11:20.985719Z",
  "published": "2026-08-06T18:10:20.186330Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RXSA-2026:51035"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454320"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468228"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:51035"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Moderate: kernel security, bug fix, and enhancement update",
  "upstream": [
    "CVE-2026-23415",
    "CVE-2026-43450"
  ]
}



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