RHSA-2026:1886
Advisory lineage Upstream: 8 Downstream: 0
Published: 04 Feb 2026, 10:19
Last modified:19 Mar 2026, 10:16
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
04 Feb 2026, 10:19
Published
Vulnerability first disclosed
19 Mar 2026, 10:16
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
< 0:4.18.0-305.184.1.el8_4
- redhat•bpftool-debuginfo
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-abi-stablelists
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-core
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug-core
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug-debuginfo
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug-devel
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug-modules
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debug-modules-extra
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debuginfo
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-debuginfo-common-x86_64
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-devel
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-doc
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-modules
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-modules-extra
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-tools
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-tools-debuginfo
< 0:4.18.0-305.184.1.el8_4
- redhat•kernel-tools-libs
< 0:4.18.0-305.184.1.el8_4
- redhat•perf
< 0:4.18.0-305.184.1.el8_4
- redhat•perf-debuginfo
< 0:4.18.0-305.184.1.el8_4
- redhat•python3-perf
< 0:4.18.0-305.184.1.el8_4
- redhat•python3-perf-debuginfo
< 0:4.18.0-305.184.1.el8_4
References (43)
- https://access.redhat.com/errata/RHSA-2026:1886
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2347727
- https://bugzilla.redhat.com/show_bug.cgi?id=2395879
- https://bugzilla.redhat.com/show_bug.cgi?id=2404108
- https://bugzilla.redhat.com/show_bug.cgi?id=2414494
- https://bugzilla.redhat.com/show_bug.cgi?id=2418872
- https://bugzilla.redhat.com/show_bug.cgi?id=2419858
- https://bugzilla.redhat.com/show_bug.cgi?id=2419954
- https://bugzilla.redhat.com/show_bug.cgi?id=2422836
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1886.json
- https://access.redhat.com/security/cve/CVE-2022-49290
- https://www.cve.org/CVERecord?id=CVE-2022-49290
- https://nvd.nist.gov/vuln/detail/CVE-2022-49290
- https://lore.kernel.org/linux-cve-announce/2025022633-CVE-2022-49290-42e8@gregkh/T
- https://access.redhat.com/security/cve/CVE-2022-50341
- https://www.cve.org/CVERecord?id=CVE-2022-50341
- https://nvd.nist.gov/vuln/detail/CVE-2022-50341
- https://lore.kernel.org/linux-cve-announce/2025091638-CVE-2022-50341-12c1@gregkh/T
- https://access.redhat.com/security/cve/CVE-2023-53751
- https://www.cve.org/CVERecord?id=CVE-2023-53751
- https://nvd.nist.gov/vuln/detail/CVE-2023-53751
- https://lore.kernel.org/linux-cve-announce/2025120842-CVE-2023-53751-2ff2@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-39971
- https://www.cve.org/CVERecord?id=CVE-2025-39971
- https://nvd.nist.gov/vuln/detail/CVE-2025-39971
- https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40154
- https://www.cve.org/CVERecord?id=CVE-2025-40154
- https://nvd.nist.gov/vuln/detail/CVE-2025-40154
- https://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40154-fd98@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40248
- https://www.cve.org/CVERecord?id=CVE-2025-40248
- https://nvd.nist.gov/vuln/detail/CVE-2025-40248
- https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-40277
- https://www.cve.org/CVERecord?id=CVE-2025-40277
- https://nvd.nist.gov/vuln/detail/CVE-2025-40277
- https://lore.kernel.org/linux-cve-announce/2025120717-CVE-2025-40277-d511@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-68301
- https://www.cve.org/CVERecord?id=CVE-2025-68301
- https://nvd.nist.gov/vuln/detail/CVE-2025-68301
- https://lore.kernel.org/linux-cve-announce/2025121643-CVE-2025-68301-be31@gregkh/T