Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1963 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, 1273 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
High [CVE-2026-80558] Avoid using invalid osd indices from primary_temp
Avoid using invalid osd indices from primary_temp. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-80571] papr-phy-attest - validate cmd.length, plug mem leak
papr-phy-attest - validate cmd.length, plug mem leak. Red Hat rates this moderate (CVSS 7). Weakness: CWE-805. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-80582] Check VMA boundaries for PMD mappings
Check VMA boundaries for PMD mappings. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
High [CVE-2026-74737] Fix port_id extraction from SRC TAG
Fix port_id extraction from SRC TAG. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
High [CVE-2026-80584] validate user buffer length in SNMP and ARP query ioctls
validate user buffer length in SNMP and ARP query ioctls. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-80521] Unlink scc_entry in unix_del_edge
Unlink scc_entry in unix_del_edge(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat package: kernel.
High [CVE-2026-74746] publish GC-visible tuple last
publish GC-visible tuple last. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. 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.
High [CVE-2026-80540] Fix UVD decode image min size calculation
Fix UVD decode image min size calculation. Red Hat rates this moderate (CVSS 7). Weakness: CWE-190. 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.
High [CVE-2026-80589] stop the timeout timer when releasing a never added disk
stop the timeout timer when releasing a never added disk. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-80528] avoid fs reclaim while using current->journal_info
avoid fs reclaim while using current->journal_info. Red Hat rates this moderate (CVSS 7). Weakness: CWE-843. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-80552] Ensure index for read/write regions are within range
Ensure index for read/write regions are within range. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-80561] fix multiple unsafe decodes in decode_locker
fix multiple unsafe decodes in decode_locker(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80529] don't swallow dquot recovery verification errors
don't swallow dquot recovery verification errors. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-252. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80534] fix ilock leak on error in xfs_dq_get_next_id
fix ilock leak on error in xfs_dq_get_next_id. Red Hat rates this low (CVSS 4.7). Weakness: CWE-667. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80554] Limit the number of channel program segments
Limit the number of channel program segments. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80547] Implement a crw lock
Implement a crw lock. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-413. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74734] fix NULL pointer dereference in ar_context_release
fix NULL pointer dereference in ar_context_release. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-74739] skip hash tables in u32_bind_class
skip hash tables in u32_bind_class(). 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 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-2026-80576] reject oversized IBs with per-ring packet limits
reject oversized IBs with per-ring packet limits. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-120. 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-2026-74754] pair EH runtime PM get and put
pair EH runtime PM get and put. Red Hat rates this low (CVSS 5.5). Weakness: CWE-911. 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.