Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
2106 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, 764 high, 1338 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-2026-80606] Hold notifier_lock for write on inject test path
Hold notifier_lock for write on inject test path. Red Hat rates this low (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-2026-80529] 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.
Medium [CVE-2026-74748] fix refcount race between list:set GC and swap
fix refcount race between list:set GC and swap. 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-2026-80557] fix OOB read in decode_watchers via missing bounds check
fix OOB read in decode_watchers() via missing bounds check. 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 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-2026-80541] validate GEM_CREATE domain combinations
validate GEM_CREATE domain combinations. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-617. 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-2026-80581] Continue the pipeline trigger in case of IPC timeout
Continue the pipeline trigger in case of IPC timeout. Red Hat rates this low (CVSS 5.5). Weakness: CWE-390. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80523] set hdma clock as critical
set hdma clock as critical. Red Hat rates this low (CVSS 5.5). Weakness: CWE-909. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74738] don't call an unset readable_reg callback
don't call an unset readable_reg callback. 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-2026-80527] fix hanging __ceph_get_caps with stale mds_wanted
fix hanging __ceph_get_caps() with stale mds_wanted. 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 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80539] disallow multiple FENCE chunks in one submit
disallow multiple FENCE chunks in one submit. Red Hat rates this moderate (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 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-74736] reject dev-bound programs bound to a different device
reject dev-bound programs bound to a different device. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-346. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74742] fix queue index used to wake the peer txq in veth_poll
fix queue index used to wake the peer txq in veth_poll. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1285. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80580] bound mode sysfs output to the sysfs buffer
bound mode sysfs output to the sysfs buffer. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.