Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1992 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, 696 high, 1292 medium, 1 low.
Android app · Google Play
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Source
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-2026-74644] putback folios on invalid migrate nid
putback folios on invalid migrate nid. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74622] free RX pages of consumed but not refilled buffers
free RX pages of consumed but not refilled buffers. 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-2026-74600] skip special zero mappings
skip special zero mappings. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74676] add permission check for KDSKBMETA ioctl
add permission check for KDSKBMETA ioctl. Red Hat rates this low (CVSS 5.5). Weakness: CWE-1220. 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-2026-74623] free stranded TX buffers on ring deinit
free stranded TX buffers on ring deinit. Red Hat rates this low (CVSS 5.5). Weakness: CWE-771. 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-2026-74720] Preserve pointer state for commuted arithmetic
Preserve pointer state for commuted arithmetic. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-823. 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-2026-74620] act_gact, act_police: range check the fallback control action
act_gact, act_police: range check the fallback control action. 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-2026-74613] avoid refilling the RX queue after teardown
avoid refilling the RX queue after teardown. Red Hat rates this moderate (CVSS 5.5). 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.
Medium [CVE-2026-74732] Check for tg ops in dce110_set_avmute
Check for tg ops in dce110_set_avmute. 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 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-2026-74626] Preserve RX queue depth on allocation failure
Preserve RX queue depth on allocation failure. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-826. 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-2026-74592] Instantiate file_truncate and path_truncate hooks
Instantiate file_truncate and path_truncate hooks. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-222. 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-2026-74605] Use children field for rcu head and add memory barriers
Use children field for rcu head and add memory barriers. 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-2026-74667] reset the MAC header on the packet-socket transmit path
reset the MAC header on the packet-socket transmit path. 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 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-2026-74698] fix BQL reset on SQ re-activation
fix BQL reset on SQ re-activation. Red Hat rates this low (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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74725] fix tx_hang_reset use-after-free on device removal
fix tx_hang_reset use-after-free on device removal. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-364. 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-2026-74708] validate launch-time metadata size
validate launch-time metadata size. Red Hat rates this low (CVSS 5.5). Weakness: CWE-1284. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74658] Prevent robust futex exit race some more
Prevent robust futex exit race some more. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74636] Fix race between update_event_fields and, event_define_fields
Fix race between update_event_fields and, event_define_fields. Red Hat rates this low (CVSS 5.5). Weakness: CWE-366. 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-2026-74627] prevent net-iov / page mixing
prevent net-iov / page mixing. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-843. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
High [CVE-2026-74583] fix fastmap use-after-free on filter
fix fastmap use-after-free on filter. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat package: kernel-rt.