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rlsa-2026:66324
Vulnerability from osv_rocky
Published
2026-09-11 06:02
Modified
2026-09-15 06:13
Summary
Important: kernel-rt security, bug fix, and enhancement update
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: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)

  • kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

  • kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942)

  • kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)

  • kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)

  • kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986)

  • kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)

  • kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)

  • kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)

  • kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)

  • kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)

  • kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)

  • kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)

  • kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)

  • kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)

Bug Fix(es) and Enhancement(s):

  • scsi: mpt3sas: avoid freeing unallocated PCIe SGL buffers [rhel 8.6.z] (JIRA:Rocky Linux-194117)

  • gfs2: harden gfs2_glock_hold [Rocky Linux-8] (JIRA:Rocky Linux-240340)

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
7.0 (High)
CVSS:3.1/AV:L/AC:H/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:8",
        "name": "kernel-rt",
        "purl": "pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "NFV"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "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-2026:66324"
  },
  "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)\n\n* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)\n\n* kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942)\n\n* kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)\n\n* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)\n\n* kernel: netfilter: nf_conntrack_sip: don\u0027t use simple_strtoul (CVE-2026-52986)\n\n* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)\n\n* kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)\n\n* kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)\n\n* kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)\n\n* kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)\n\n* kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)\n\n* kernel: tipc: clear sock-\u003esk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)\n\n* kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)\n\n* kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)\n\nBug Fix(es) and Enhancement(s):\n\n* scsi: mpt3sas: avoid freeing unallocated PCIe SGL buffers [rhel 8.6.z] (JIRA:Rocky Linux-194117)\n\n* gfs2: harden gfs2_glock_hold [Rocky Linux-8] (JIRA:Rocky Linux-240340)\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-2026:66324",
  "modified": "2026-09-15T06:13:13.652654Z",
  "published": "2026-09-11T06:02:30.927426Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:66324"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425039"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482566"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492091"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492115"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492270"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492397"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492771"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502254"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502331"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502380"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502541"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513253"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513397"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513408"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513474"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:66324"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: kernel-rt security, bug fix, and enhancement update",
  "upstream": [
    "CVE-2025-68745",
    "CVE-2026-46149",
    "CVE-2026-52917",
    "CVE-2026-52942",
    "CVE-2026-52986",
    "CVE-2026-53091",
    "CVE-2026-53246",
    "CVE-2026-63801",
    "CVE-2026-63971",
    "CVE-2026-64015",
    "CVE-2026-64113",
    "CVE-2026-68117",
    "CVE-2026-68300",
    "CVE-2026-68315",
    "CVE-2026-68376"
  ]
}



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