rlsa-2026:27288
Vulnerability from osv_rocky
Published
2026-06-22 12:04
Modified
2026-07-06 12:07
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: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)

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

  • kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)

  • kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)

  • 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: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)

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

  • 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: 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)

Bug Fix(es) and Enhancement(s):

  • Rocky Linux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [rhel-10.2.z] (JIRA:Rocky Linux-166047)

  • Rocky Linux9.5 crash due to lpfc NULL ndlp->vport [rhel-10.2.z] (JIRA:Rocky Linux-171774)

  • objtool static_call check blocks build of out-of-tree livepatch modules on Rocky Linux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:Rocky Linux-178495)

  • ibmveth Adapter Freeze with Small MSS [rhel-10.2.z] (JIRA:Rocky Linux-179723)

  • rbd: eliminate a race in lock_dwork draining on unmap [rhel-10.2.z] (JIRA:Rocky Linux-183127)

  • Rocky Linux10.0 - s390/mm: Add missing secure storage access fixups [rhel-10.2.z] (JIRA:Rocky Linux-183319)

  • [Rocky Linux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:Rocky Linux-182299)

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:10",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:6.12.0-211.26.1.el10_2"
            }
          ],
          "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: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)\n\n* kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)\n\n* kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)\n\n* kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)\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: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)\n\n* kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)\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: 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\nBug Fix(es) and Enhancement(s):\n\n* Rocky Linux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [rhel-10.2.z] (JIRA:Rocky Linux-166047)\n\n* Rocky Linux9.5 crash due to lpfc NULL ndlp-\u003evport [rhel-10.2.z] (JIRA:Rocky Linux-171774)\n\n* objtool static_call check blocks build of out-of-tree livepatch modules on Rocky Linux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:Rocky Linux-178495)\n\n* ibmveth Adapter Freeze with Small MSS [rhel-10.2.z] (JIRA:Rocky Linux-179723)\n\n* rbd: eliminate a race in lock_dwork draining on unmap [rhel-10.2.z] (JIRA:Rocky Linux-183127)\n\n* Rocky Linux10.0 - s390/mm: Add missing secure storage access fixups [rhel-10.2.z] (JIRA:Rocky Linux-183319)\n\n* [Rocky Linux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:Rocky Linux-182299)\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-2026:27288",
  "modified": "2026-07-06T12:07:06.987385Z",
  "published": "2026-06-22T12:04:59.950683Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:27288"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467083"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482634"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460646"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479492"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464096"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461548"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464502"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464449"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482645"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461503"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468061"
    },
    {
      "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=2482608"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464092"
    }
  ],
  "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-2026-31641",
    "CVE-2026-31669",
    "CVE-2026-31772",
    "CVE-2026-31786",
    "CVE-2026-31787",
    "CVE-2026-43056",
    "CVE-2026-43260",
    "CVE-2026-43330",
    "CVE-2026-46056",
    "CVE-2026-46125",
    "CVE-2026-46152",
    "CVE-2026-46166",
    "CVE-2026-46173",
    "CVE-2026-46331"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.