RLSA-2026:27789 (CVE-2026-31474)

Vulnerability from osv_rocky – Published: 2026-06-25 12:03 – Updated: 2026-07-09 12:06 – 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: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)

  • kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)

  • kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)

  • kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)

  • kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)

  • kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)

  • kernel: scsi: qla2xxx: Completely fix fcport double free (CVE-2026-43414)

  • kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)

  • kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)

  • kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)

  • kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)

  • kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)

  • kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145)

  • kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

  • kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)

  • kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)

  • kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135)

Bug Fix(es) and Enhancement(s):

  • Rocky Linux9.4 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [rhel-9.8.z] (JIRA:Rocky Linux-166048)

  • [Rocky Linux 9.8] Hung tasks during both suspend and hibernate operations on systems with Intel E810 NICs [rhel-9.8.z] (JIRA:Rocky Linux-175699)

  • DPLL: Add support for pin operational state [rhel-9.8.z] (JIRA:Rocky Linux-175820)

  • DPLL: Add support for fractional frequency offset between pin and device [rhel-9.8.z] (JIRA:Rocky Linux-175823)

  • ibmveth Adapter Freeze with Small MSS [rhel-9.8.z] (JIRA:Rocky Linux-178308)

  • Rocky Linux9.4 - s390/mm: Add missing secure storage access fixups [rhel-9.8.z] (JIRA:Rocky Linux-183317)

  • rbd: eliminate a race in lock_dwork draining on unmap [rhel-9.8.z] (JIRA:Rocky Linux-183130)

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: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": "0:5.14.0-687.17.1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)\n\n* kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)\n\n* kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)\n\n* kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)\n\n* kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)\n\n* kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)\n\n* kernel: scsi: qla2xxx: Completely fix fcport double free (CVE-2026-43414)\n\n* kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)\n\n* kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)\n\n* kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)\n\n* kernel: wifi: mac80211: drop stray \u0027static\u0027 from fast-RX rx_result (CVE-2026-46152)\n\n* kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)\n\n* kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145)\n\n* kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)\n\n* kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)\n\n* kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)\n\n* kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135)\n\nBug Fix(es) and Enhancement(s):\n\n* Rocky Linux9.4 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [rhel-9.8.z] (JIRA:Rocky Linux-166048)\n\n* [Rocky Linux 9.8] Hung tasks during both suspend and hibernate operations on systems with Intel E810 NICs [rhel-9.8.z] (JIRA:Rocky Linux-175699)\n\n* DPLL: Add support for pin operational state [rhel-9.8.z] (JIRA:Rocky Linux-175820)\n\n* DPLL: Add support for fractional frequency offset between pin and device [rhel-9.8.z] (JIRA:Rocky Linux-175823)\n\n* ibmveth Adapter Freeze with Small MSS [rhel-9.8.z] (JIRA:Rocky Linux-178308)\n\n* Rocky Linux9.4 - s390/mm: Add missing secure storage access fixups [rhel-9.8.z] (JIRA:Rocky Linux-183317)\n\n* rbd: eliminate a race in lock_dwork draining on unmap [rhel-9.8.z] (JIRA:Rocky Linux-183130)\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-2026:27789",
  "modified": "2026-07-09T12:06:47.063079Z",
  "published": "2026-06-25T12:03:37.665962Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:27789"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460646"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461503"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464092"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464502"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467083"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467215"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468155"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479492"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481922"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482181"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482563"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482576"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482581"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482608"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482634"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482645"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482654"
    }
  ],
  "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-2026-31474",
    "CVE-2026-31669",
    "CVE-2026-31772",
    "CVE-2026-31787",
    "CVE-2026-43260",
    "CVE-2026-43279",
    "CVE-2026-43414",
    "CVE-2026-45984",
    "CVE-2026-46056",
    "CVE-2026-46117",
    "CVE-2026-46125",
    "CVE-2026-46135",
    "CVE-2026-46145",
    "CVE-2026-46152",
    "CVE-2026-46166",
    "CVE-2026-46173",
    "CVE-2026-46331"
  ]
}



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