RLSA-2026:71232 (CVE-2026-23007)

Vulnerability from osv_rocky – Published: 2026-09-25 18:04 – Updated: 2026-09-26 00:15 – 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: block: zero non-PI portion of auto integrity buffer (CVE-2026-23007)

  • kernel: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005)

  • kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)

  • kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)

  • kernel: block: don't overwrite bip_vcnt in bio_integrity_copy_user() (CVE-2026-64053)

  • kernel: smb: client: fix double-free in SMB2_flush() replay (CVE-2026-64383)

  • kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)

  • kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)

  • kernel: ALSA: timer: drain a slave's callback before its master detaches it (CVE-2026-68201)

  • kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)

  • kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)

  • kernel: net: tun: bound receive headroom (CVE-2026-81000)

  • kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

Bug Fix(es) and Enhancement(s):

  • sctp: prevent peer transport count overflow [rhel-9.8.z] (JIRA:Rocky Linux-216251)

  • netfilter: nftables CVE and memory safety backports for 9.8 (JIRA:Rocky Linux-236634)

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
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/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": "0:5.14.0-687.51.1.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-2026:71232"
  },
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: block: zero non-PI portion of auto integrity buffer (CVE-2026-23007)\n\n* kernel: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005)\n\n* kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)\n\n* kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)\n\n* kernel: block: don\u0027t overwrite bip_vcnt in bio_integrity_copy_user() (CVE-2026-64053)\n\n* kernel: smb: client: fix double-free in SMB2_flush() replay (CVE-2026-64383)\n\n* kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)\n\n* kernel: sctp: don\u0027t free the ASCONF\u0027s own transport in DEL-IP processing (CVE-2026-64564)\n\n* kernel: ALSA: timer: drain a slave\u0027s callback before its master detaches it (CVE-2026-68201)\n\n* kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261)\n\n* kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)\n\n* kernel: net: tun: bound receive headroom (CVE-2026-81000)\n\n* kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)\n\nBug Fix(es) and Enhancement(s):\n\n* sctp: prevent peer transport count overflow [rhel-9.8.z] (JIRA:Rocky Linux-216251)\n\n* netfilter: nftables CVE and memory safety backports for 9.8 (JIRA:Rocky Linux-236634)\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-2026:71232",
  "modified": "2026-09-26T00:15:00.639472Z",
  "published": "2026-09-25T18:04:58.698983Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:71232"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432674"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492381"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502243"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502251"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502498"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507134"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507399"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510890"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513481"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516527"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528676"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532176"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535391"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:71232"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: kernel security, bug fix, and enhancement update",
  "upstream": [
    "CVE-2026-23007",
    "CVE-2026-53005",
    "CVE-2026-63802",
    "CVE-2026-63831",
    "CVE-2026-64053",
    "CVE-2026-64383",
    "CVE-2026-64534",
    "CVE-2026-64564",
    "CVE-2026-68201",
    "CVE-2026-72261",
    "CVE-2026-80844",
    "CVE-2026-81000",
    "CVE-2026-89846"
  ]
}



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