Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1977 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, 690 high, 1283 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-2026-74710] require at least 16 bytes of TX metadata
require at least 16 bytes of TX metadata. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74689] fix slab-out-of-bounds read in vcc_setsockopt
fix slab-out-of-bounds read in vcc_setsockopt(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-805. Affected products named by the advisory: Red Hat Enterprise Linux 6; 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-2026-74696] fix TFO max_qlen accounting across reuseport migration
fix TFO max_qlen accounting across reuseport migration. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-191. 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-2026-74723] reject inline extents without valid headers
reject inline extents without valid headers. 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 package: kernel-rt.
Medium [CVE-2026-74596] fs,fsverity: remove check for fsverity being enabled in setattr_prepare
fs,fsverity: remove check for fsverity being enabled in setattr_prepare(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-253. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-74713] bound map allocation in add_range
bound map allocation in add_range. 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 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-2026-74686] Reset tail when preserving queue on deadlock
Reset tail when preserving queue on deadlock. Red Hat rates this low (CVSS 5.5). Weakness: CWE-821. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-74722] fix memory leak in btrfs_do_encoded_write
fix memory leak in btrfs_do_encoded_write(). 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 6; Red Hat package: kernel.
Medium [CVE-2026-74604] Revert "thermal/drivers/hwmon: Cleanup coding style a bit"
Revert "thermal/drivers/hwmon: Cleanup coding style a bit". Red Hat rates this moderate (CVSS 4.1). 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-2026-74619] 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 9; Red Hat package: kernel-rt.
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.