Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1962 advisories tracked · Red Hat Security Data API · 1 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Linux Kernel, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 1 critical, 686 high, 1272 medium, 1 low.
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Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat Linux Kernel advisories
Medium [CVE-2026-80707] j1939_session_fresh_new: initialize receive buffer
j1939_session_fresh_new(): initialize receive buffer. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-824. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80652] ccp - Treat zero-length cert chain as query for blob lengths
ccp - Treat zero-length cert chain as query for blob lengths. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80604] Fix OOB read in hid_get_report for numbered reports
Fix OOB read in hid_get_report for numbered reports. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80636] revert ct extension genid infrastructure
revert ct extension genid infrastructure. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80628] Serialize readq reset state with q->lock
Serialize readq reset state with q->lock. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-820. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80678] Fix slave registration race and error handling
Fix slave registration race and error handling. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80723] prevent OOB when too many dynamic regions are defined
prevent OOB when too many dynamic regions are defined. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80631] reject compressed segment that overflows the compressed input
reject compressed segment that overflows the compressed input. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80643] Fix call trace due to missing release
Fix call trace due to missing release(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80622] fix use-after-free in tlclk_cleanup
fix use-after-free in tlclk_cleanup(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80640] Fix __fortify_panic
Fix __fortify_panic. Red Hat rates this low (CVSS 5.5). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80675] Reject non-exclusive metadata maps in the signed loader
Reject non-exclusive metadata maps in the signed loader. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80706] fw_parse: validate firmware record spans
fw_parse(): validate firmware record spans. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat package: kernel-rt.
Medium [CVE-2026-80669] Disable xfrm_decode_session hook attachment
Disable xfrm_decode_session hook attachment. Red Hat rates this low (CVSS 5.5). Weakness: CWE-252. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80665] Inject SEA if kvm_translate_vncr can't resolve PFN
Inject SEA if kvm_translate_vncr() can't resolve PFN. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-253. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80720] add a separate bio_set for iomap_split_ioend
add a separate bio_set for iomap_split_ioend. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-833. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80593] (asus_atk0110) Check package count before accessing element
(asus_atk0110) Check package count before accessing element. Red Hat rates this low (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80679] Fix potential NULL pointer dereference
Fix potential NULL pointer dereference. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80602] Fix kernel address leakage
Fix kernel address leakage. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-497. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80656] Add a sanity check for btree node size
Add a sanity check for btree node size. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-824. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.