RHSA-2026:55764
Vulnerability Summary
Timeline
Description
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- redhat•bpftool
< 0:4.18.0-553.156.1.el8_10
- redhat•bpftool-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-abi-stablelists
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-core
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug-core
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug-devel
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug-modules
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debug-modules-extra
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debuginfo-common-aarch64
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debuginfo-common-ppc64le
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debuginfo-common-s390x
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-debuginfo-common-x86_64
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-devel
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-doc
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-modules
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-modules-extra
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-tools
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-tools-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•kernel-tools-libs
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-tools-libs-devel
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump-core
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump-debuginfo
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump-devel
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump-modules
< 0:4.18.0-553.156.1.el8_10
- redhat•kernel-zfcpdump-modules-extra
< 0:4.18.0-553.156.1.el8_10
- redhat•perf
< 0:4.18.0-553.156.1.el8_10
- redhat•perf-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
- redhat•python3-perf
< 0:4.18.0-553.156.1.el8_10
- redhat•python3-perf-debuginfo
< 0:4.18.0-553.156.1.el8_10 | < 0:4.18.0-553.156.1.el8_10
References (53)
- https://access.redhat.com/errata/RHSA-2026:55764
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2400594
- https://bugzilla.redhat.com/show_bug.cgi?id=2467156
- https://bugzilla.redhat.com/show_bug.cgi?id=2492269
- https://bugzilla.redhat.com/show_bug.cgi?id=2492768
- https://bugzilla.redhat.com/show_bug.cgi?id=2495941
- https://bugzilla.redhat.com/show_bug.cgi?id=2502188
- https://bugzilla.redhat.com/show_bug.cgi?id=2502321
- https://bugzilla.redhat.com/show_bug.cgi?id=2502463
- https://bugzilla.redhat.com/show_bug.cgi?id=2506790
- https://bugzilla.redhat.com/show_bug.cgi?id=2507407
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_55764.json
- https://access.redhat.com/security/cve/CVE-2025-39902
- https://www.cve.org/CVERecord?id=CVE-2025-39902
- https://nvd.nist.gov/vuln/detail/CVE-2025-39902
- https://lore.kernel.org/linux-cve-announce/2025100118-CVE-2025-39902-0fe1@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-17523
- https://www.cve.org/CVERecord?id=CVE-2026-17523
- https://nvd.nist.gov/vuln/detail/CVE-2026-17523
- https://github.com/torvalds/linux/commit/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68
- https://access.redhat.com/security/cve/CVE-2026-43206
- https://www.cve.org/CVERecord?id=CVE-2026-43206
- https://nvd.nist.gov/vuln/detail/CVE-2026-43206
- https://lore.kernel.org/linux-cve-announce/2026050647-CVE-2026-43206-ca61@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-53016
- https://www.cve.org/CVERecord?id=CVE-2026-53016
- https://nvd.nist.gov/vuln/detail/CVE-2026-53016
- https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-53136
- https://www.cve.org/CVERecord?id=CVE-2026-53136
- https://nvd.nist.gov/vuln/detail/CVE-2026-53136
- https://lore.kernel.org/linux-cve-announce/2026062543-CVE-2026-53136-b8ab@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-53329
- https://www.cve.org/CVERecord?id=CVE-2026-53329
- https://nvd.nist.gov/vuln/detail/CVE-2026-53329
- https://lore.kernel.org/linux-cve-announce/2026070142-CVE-2026-53329-ccf5@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-53374
- https://www.cve.org/CVERecord?id=CVE-2026-53374
- https://nvd.nist.gov/vuln/detail/CVE-2026-53374
- https://lore.kernel.org/linux-cve-announce/2026071946-CVE-2026-53374-a981@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-63879
- https://www.cve.org/CVERecord?id=CVE-2026-63879
- https://nvd.nist.gov/vuln/detail/CVE-2026-63879
- https://lore.kernel.org/linux-cve-announce/2026071938-CVE-2026-63879-3372@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-63884
- https://www.cve.org/CVERecord?id=CVE-2026-63884
- https://nvd.nist.gov/vuln/detail/CVE-2026-63884
- https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63884-39d7@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-64219
- https://www.cve.org/CVERecord?id=CVE-2026-64219
- https://nvd.nist.gov/vuln/detail/CVE-2026-64219
- https://lore.kernel.org/linux-cve-announce/2026072416-CVE-2026-64219-75c3@gregkh/T