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OpenAdvisories
High RHSA-2026:59146 4 CVEs

Red Hat Security Advisory: kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_125_1, kpatch-patch-4_18_0-553_53_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update

Published Aug 25, 2026 · Updated Oct 8, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1 0:1-10.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1-debuginfo 0:1-10.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1-debugsource 0:1-10.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_125_1 0:1-7.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_125_1-debuginfo 0:1-7.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_125_1-debugsource 0:1-7.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1 0:1-17.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1-debuginfo 0:1-17.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1-debugsource 0:1-17.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1 0:1-14.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1-debuginfo 0:1-14.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1-debugsource 0:1-14.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1 0:1-12.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1-debuginfo 0:1-12.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1-debugsource 0:1-12.el8_10

Vulnerabilities 4

  • High 7.8
    CVE-2026-43499 Public exploit

    rtmutex: Use waiter::task instead of current in remove_waiter()

    In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in remove_waiter() remove_waiter() is used by the slowlock paths, but it is also used for proxy-lock rollback in rt_mutex_start_proxy_lock() when …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-45984

    gfs2: Fix use-after-free in iomap inline data write path

    In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in iomap inline data write path The inline data buffer head (dibh) is being released prematurely in gfs2_iomap_begin() via release_metapath() while iomap->inline_data…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-46116

    xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

    In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete KASAN reproduces a slab-use-after-free in __xfrm_state_delete()'s hlist_del_rcu calls under syzkaller load on linux-6.12.y sta…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-46227

    sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

    In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL The SCTP_SENDALL path in sctp_sendmsg() iterates ep->asocs with list_for_each_entry_safe(), which caches the next ent…

    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=2480453
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2481922
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482523
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482564
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_59146.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43499
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2026-010
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43499
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43499
  • article
    https://lore.kernel.org/linux-cve-announce/2026052158-CVE-2026-43499-1294@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-45984
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-45984
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-45984
  • article
    https://lore.kernel.org/linux-cve-announce/2026052739-CVE-2026-45984-107d@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-46116
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46116
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46116
  • article
    https://lore.kernel.org/linux-cve-announce/2026052814-CVE-2026-46116-73b8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-46227
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46227
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46227
  • article
    https://lore.kernel.org/linux-cve-announce/2026052838-CVE-2026-46227-4bf1@gregkh/T