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OpenAdvisories
Critical RHSA-2026:63128 6 CVEs

Red Hat Security Advisory: kernel security update

Published Sep 4, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 90

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 kernel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-devel-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-devel-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-abi-stablelists 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-devel-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-uki-virt 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-aarch64 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-ppc64le 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-s390x 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-x86_64 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-devel-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-doc 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-extra-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-libs 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-libs-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-uki-virt 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-uki-virt-addons 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-devel 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-devel-matched 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules-core 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules-extra 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 libperf 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 libperf-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 perf 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 perf-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 python3-perf 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 python3-perf-debuginfo 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 rtla 0:6.12.0-211.51.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 rv 0:6.12.0-211.51.1.el10_2

Vulnerabilities 6

  • Critical 9.8
    CVE-2026-63808

    exfat: fix potential use-after-free in exfat_find_dir_entry()

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential use-after-free in exfat_find_dir_entry() In exfat_find_dir_entry(), the buffer_head obtained from exfat_get_dentry() is released with brelse(bh) before the fall-through T…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-64387

    smb: client: fix query directory replay double-free

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_directory_init() fails before the next…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.8
    CVE-2026-74581

    net: ipv6: clear suppressed fib6 rule result

    In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the released rt6_info. If no later rule sup…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-63824

    KEYS: fix overflow in keyctl_pkey_params_get_2()

    In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-68145

    iomap: fix out-of-bounds bitmap_set() with zero-length range

    In the Linux kernel, the following vulnerability has been resolved: iomap: fix out-of-bounds bitmap_set() with zero-length range ifs_set_range_dirty() and ifs_set_range_uptodate() compute last_blk as (off + len - 1) >> i_blkbits. When off is 0 and len is 0, t…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-53073

    Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error When hci_register_dev() fails in hci_uart_register_dev() HCI_UART_PROTO_INIT is not cleared before calling hu->proto->close(hu) and se…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492447
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502235
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502248
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2507046
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2513392
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2520980
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63128.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-53073
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53073
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53073
  • article
    https://lore.kernel.org/linux-cve-announce/2026062405-CVE-2026-53073-9692@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-63808
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63808
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63808
  • article
    https://kernelcve.org/list/?q=CVE-2026-63808
  • article
    https://lore.kernel.org/linux-cve-announce/2026071902-CVE-2026-63808-263b@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-63824
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63824
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63824
  • article
    https://lore.kernel.org/linux-cve-announce/2026071906-CVE-2026-63824-6a2f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-64387
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-64387
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-64387
  • article
    https://lore.kernel.org/linux-cve-announce/2026072526-CVE-2026-64387-ff1a@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-68145
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-68145
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-68145
  • article
    https://lore.kernel.org/linux-cve-announce/2026081000-CVE-2026-68145-c6c3@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-74581
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-74581
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-74581
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6aea62e433fe1b586202a5fee8b5807ce635e1d7