Skip to content
OpenAdvisories
High RHSA-2026:41920 1 CVE

Red Hat Security Advisory: kernel security update

Published Jul 23, 2026 · Updated Sep 30, 2026

Ecosystem: Red Hat

Fixed packages 19

ReleasePackageFixed in
Red Hat · RHEL 6 ELS rhel_els:6 kernel 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-abi-whitelists 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug-debuginfo 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debug-devel 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-i686 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-s390x 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-debuginfo-common-x86_64 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-devel 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-doc 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-firmware 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump-debuginfo 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 kernel-kdump-devel 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 perf 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 perf-debuginfo 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 python-perf 0:2.6.32-754.62.1.el6
Red Hat · RHEL 6 ELS rhel_els:6 python-perf-debuginfo 0:2.6.32-754.62.1.el6

Vulnerabilities 1

  • 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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2480453
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_41920.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