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RLSA-2026:21557

RLSA-2026:21557 · Important: kernel security update

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The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: can: j1939: j1939_session_new(): fix skb reference counting (CVE-2024-56645) * kernel: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183) * kernel: mm: thp: deny THP for files on anonymous inodes (CVE-2026-23375) * kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392) * kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (CVE-2026-23455) * kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684) * kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets (CVE-2026-31685) * kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup (CVE-2026-43027) * kernel: io_uring/rsrc: reject zero-length fixed buffer import (CVE-2026-43006) * kernel: Bluetooth: MGMT: validate LTK enc_size on load (CVE-2026-43020) * kernel: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq (CVE-2026-43051) * kernel: Bluetooth: SCO: fix race conditions in sco_sock_connect() (CVE-2026-43023) * kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116) * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110) * kernel: netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190) * kernel: Linux kernel dpaa2-switch: Kernel memory corruption via out-of-bounds write (CVE-2026-43205) * kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks (CVE-2026-43158) * kernel: mm/page_alloc: clear page->private in free_pages_prepare() (CVE-2026-43303) 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.

CVSS 7.5 · Hoch · Korrektur verfügbar

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Technologie-Stack: system

Betroffene Produkte und Versionen

  • kernel Rocky Linux:10

    Betroffene Versionsbereiche
    • ECOSYSTEM: < 0:6.12.0-211.18.1.el10_2

    Auf 0:6.12.0-211.18.1.el10_2 aktualisieren

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