Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1987 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, 695 high, 1288 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-2026-74655] fix TX DMA buffer flush
fix TX DMA buffer flush. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-835. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74670] stop estimator after disabled calc phase
stop estimator after disabled calc phase. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-74653] clear stuck empty-FIFO RX-timeout on LPC32xx
clear stuck empty-FIFO RX-timeout on LPC32xx. Red Hat rates this low (CVSS 5.5). Weakness: CWE-835. 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-2026-74678] fix skb leak in ax88179_tx_fixup
fix skb leak in ax88179_tx_fixup(). 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-2026-74704] drop WARN_ON(1) for malformed packets in ACK filter
drop WARN_ON(1) for malformed packets in ACK filter. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74707] validate metadata when processing requests
validate metadata when processing requests. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74590] Fix bpf_get_fsverity_digest dynptr assumptions
Fix bpf_get_fsverity_digest() dynptr assumptions. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-663. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74728] handle NULL b_addr in xfs_buf_free
handle NULL b_addr in xfs_buf_free. 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-2026-74709] clear metadata pointer when no timestamp is requested
clear metadata pointer when no timestamp is requested. Red Hat rates this low (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-2026-74665] fix skb length accounting after generic XDP frag adjustment
fix skb length accounting after generic XDP frag adjustment. 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-2026-74634] Prevent subbuf order change when resizing is disabled
Prevent subbuf order change when resizing is disabled. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74601] Use current_context for safe per-CPU buffer swap
Use current_context for safe per-CPU buffer swap. Red Hat rates this low (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-2026-74633] Fix NULL pointer dereference in module event cache removal
Fix NULL pointer dereference in module event cache removal. 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-2026-74602] Initialise reader page order in rb_allocate_cpu_buffer
Initialise reader page order in rb_allocate_cpu_buffer(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-908. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74618] don't warn when the mount is completed from another user namespace
don't warn when the mount is completed from another user namespace. 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 9; Red Hat package: kernel-rt.
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.