RHSA-2026:13681
Advisory lineage Upstream: 5 Downstream: 0
Published: 06 May 2026, 10:05
Last modified:21 May 2026, 10:05
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
06 May 2026, 10:05
Published
Vulnerability first disclosed
21 May 2026, 10:05
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: kernel security 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
< 0:4.18.0-477.139.1.el8_8
- redhat•bpftool-debuginfo
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-abi-stablelists
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-core
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug-core
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug-debuginfo
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug-devel
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug-modules
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debug-modules-extra
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debuginfo
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debuginfo-common-ppc64le
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-debuginfo-common-x86_64
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-devel
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-doc
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-modules
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-modules-extra
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-tools
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-tools-debuginfo
< 0:4.18.0-477.139.1.el8_8
- redhat•kernel-tools-libs
< 0:4.18.0-477.139.1.el8_8
- redhat•perf
< 0:4.18.0-477.139.1.el8_8
- redhat•perf-debuginfo
< 0:4.18.0-477.139.1.el8_8
- redhat•python3-perf
< 0:4.18.0-477.139.1.el8_8
- redhat•python3-perf-debuginfo
< 0:4.18.0-477.139.1.el8_8
References (38)
- https://access.redhat.com/errata/RHSA-2026:13681
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2436802
- https://bugzilla.redhat.com/show_bug.cgi?id=2439887
- https://bugzilla.redhat.com/show_bug.cgi?id=2454844
- https://bugzilla.redhat.com/show_bug.cgi?id=2460538
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13681.json
- https://access.redhat.com/security/cve/CVE-2026-23097
- https://www.cve.org/CVERecord?id=CVE-2026-23097
- https://nvd.nist.gov/vuln/detail/CVE-2026-23097
- https://lore.kernel.org/linux-cve-announce/2026020427-CVE-2026-23097-a591@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-23193
- https://www.cve.org/CVERecord?id=CVE-2026-23193
- https://nvd.nist.gov/vuln/detail/CVE-2026-23193
- https://lore.kernel.org/linux-cve-announce/2026021434-CVE-2026-23193-2c6c@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-31402
- https://www.cve.org/CVERecord?id=CVE-2026-31402
- https://nvd.nist.gov/vuln/detail/CVE-2026-31402
- https://lore.kernel.org/linux-cve-announce/2026040327-CVE-2026-31402-3e6a@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-31431
- https://access.redhat.com/security/vulnerabilities/RHSB-2026-02
- https://www.cve.org/CVERecord?id=CVE-2026-31431
- https://nvd.nist.gov/vuln/detail/CVE-2026-31431
- https://access.redhat.com/articles/7141989
- https://access.redhat.com/solutions/7141931
- https://access.redhat.com/solutions/7141979
- https://access.redhat.com/solutions/7141990
- https://access.redhat.com/solutions/7141996
- https://access.redhat.com/solutions/7142032
- https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_monitoring_and_updating_the_kernel/configuring-kernel-command-line-parameters_managing-monitoring-and-updating-the-kernel
- https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/T
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://access.redhat.com/security/cve/CVE-2026-43077
- https://bugzilla.redhat.com/show_bug.cgi?id=2467022
- https://www.cve.org/CVERecord?id=CVE-2026-43077
- https://nvd.nist.gov/vuln/detail/CVE-2026-43077
- https://lore.kernel.org/linux-cve-announce/2026050612-CVE-2026-43077-d7b1@gregkh/T
- https://access.redhat.com/security/vulnerabilities/RHSB-2026-002