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Critical RHSA-2026:62642 5 CVEs

Red Hat Security Advisory: kpatch-patch-6_12_0-211_16_1 security update

Published Sep 3, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1 0:1-8.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1-debuginfo 0:1-8.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1-debugsource 0:1-8.el10_2

Vulnerabilities 5

  • Critical 9.4
    CVE-2026-43114

    netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipa…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2026-43112

    fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

    In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-46323

    net: gro: don't merge zcopy skbs

    In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFL_MANAGED_FRAG_REFS…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-52973

    futex: Drop CLONE_THREAD requirement for private default hash alloc

    In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONE_THREAD requirement for private default hash alloc Currently need_futex_hash_allocate_default() depends on strict pthread semantics, abusing CLONE_THREAD. This breaks the non…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-53264 Public exploit

    net/sched: act_api: use RCU with deferred freeing for action lifecycle

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2466994
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467015
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2479832
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492413
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492851
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_62642.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43112
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43112
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43112
  • article
    https://lore.kernel.org/linux-cve-announce/2026050625-CVE-2026-43112-f37f@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-43114
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43114
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43114
  • article
    https://lore.kernel.org/linux-cve-announce/2026050626-CVE-2026-43114-5deb@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-46323
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46323
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46323
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1f9c828556416fbe3f49386708ce999fc4d4da06
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=44bea2032af0425e4ce6d26a8af0ede79db49ec1
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=479084ae0e1d9cb7929cb4298d35623de189f80a
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4db79a322db8c97f7b73b8a347395ef4d685eb40
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e334cbf3388fd9334503a778a82d9e9f14dd2f71
  • article
    https://lore.kernel.org/netdev/4d583fc5401298453d0a2f1b4719a15be30c8e49.1779194090.git.sd@queasysnail.net/
  • article
    https://lore.kernel.org/netdev/agVpIsaSherjHTYg@sultan-box/
  • report
    https://access.redhat.com/security/cve/CVE-2026-52973
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-52973
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-52973
  • article
    https://lore.kernel.org/linux-cve-announce/2026062439-CVE-2026-52973-af9c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-53264
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53264
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53264
  • article
    https://lore.kernel.org/linux-cve-announce/2026062517-CVE-2026-53264-081f@gregkh/T