RHSA-2026:47248
Advisory lineage Upstream: 4 Downstream: 0
Published: 29 Jul 2026, 10:11
Last modified:17 Sept 2026, 10:13
Vulnerability Summary
Overall Risk (default)
medium
34/100 CVSS Score
8.4 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
29 Jul 2026, 10:11
Published
Vulnerability first disclosed
17 Sept 2026, 10:13
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: kernel security update
CVSS Metrics
- v3.1•HIGH•Score: 8.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Affected Systems
- redhat•bpftool
< 0:4.18.0-305.200.1.el8_4
- redhat•bpftool-debuginfo
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-abi-stablelists
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-core
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug-core
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug-debuginfo
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug-devel
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug-modules
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debug-modules-extra
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debuginfo
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-debuginfo-common-x86_64
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-devel
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-doc
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-modules
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-modules-extra
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-tools
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-tools-debuginfo
< 0:4.18.0-305.200.1.el8_4
- redhat•kernel-tools-libs
< 0:4.18.0-305.200.1.el8_4
- redhat•perf
< 0:4.18.0-305.200.1.el8_4
- redhat•perf-debuginfo
< 0:4.18.0-305.200.1.el8_4
- redhat•python3-perf
< 0:4.18.0-305.200.1.el8_4
- redhat•python3-perf-debuginfo
< 0:4.18.0-305.200.1.el8_4
References (23)
- https://access.redhat.com/errata/RHSA-2026:47248
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2464092
- https://bugzilla.redhat.com/show_bug.cgi?id=2486958
- https://bugzilla.redhat.com/show_bug.cgi?id=2492094
- https://bugzilla.redhat.com/show_bug.cgi?id=2492277
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_47248.json
- https://access.redhat.com/security/cve/CVE-2025-10263
- https://www.cve.org/CVERecord?id=CVE-2025-10263
- https://nvd.nist.gov/vuln/detail/CVE-2025-10263
- https://developer.arm.com/documentation/112137
- https://access.redhat.com/security/cve/CVE-2026-31787
- https://www.cve.org/CVERecord?id=CVE-2026-31787
- https://nvd.nist.gov/vuln/detail/CVE-2026-31787
- https://lore.kernel.org/linux-cve-announce/2026043034-CVE-2026-31787-f6cc@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-52923
- https://www.cve.org/CVERecord?id=CVE-2026-52923
- https://nvd.nist.gov/vuln/detail/CVE-2026-52923
- https://lore.kernel.org/linux-cve-announce/2026062431-CVE-2026-52923-35fb@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-53059
- https://www.cve.org/CVERecord?id=CVE-2026-53059
- https://nvd.nist.gov/vuln/detail/CVE-2026-53059
- https://lore.kernel.org/linux-cve-announce/2026062401-CVE-2026-53059-f32e@gregkh/T