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
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.
High [CVE-2026-74730] Pin the 'struct nfs_server' during a FREE_STATEID call
Pin the 'struct nfs_server' during a FREE_STATEID call. Red Hat rates this moderate (CVSS 7). 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.
High [CVE-2026-74677] fix carrier_work UAF on disconnect
fix carrier_work UAF on disconnect. 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 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-2026-74666] synchronize pressure clearing with ring reconfiguration
synchronize pressure clearing with ring reconfiguration. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. 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.
High [CVE-2026-74624] defer invalid log until after unlock
defer invalid log until after unlock. Red Hat rates this moderate (CVSS 7). Weakness: CWE-833. 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 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-74700] Always acquire rtnl_lock when destroying locked classifiers
Always acquire rtnl_lock when destroying locked classifiers. Red Hat rates this moderate (CVSS 7). Weakness: CWE-763. 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.
High [CVE-2026-74668] use consistent hard_header_len in TX_RING send path
use consistent hard_header_len in TX_RING send path. Red Hat rates this moderate (CVSS 7). Weakness: CWE-131. 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-2026-74715] Fix netns reference imbalance in conntrack kfuncs
Fix netns reference imbalance in conntrack kfuncs. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-74621] fix sk_buff leak when the header checks reject a packet
fix sk_buff leak when the header checks reject a packet. Red Hat rates this moderate (CVSS 7). 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.
High [CVE-2026-74669] clear IPv4 options after rebasing tunnel ICMP errors
clear IPv4 options after rebasing tunnel ICMP errors. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. 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-2026-74714] Fix use-after-free in bpf_iter_tcp_established_batch
Fix use-after-free in bpf_iter_tcp_established_batch(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-911. 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.
High [CVE-2026-74695] drop existing skb dst before skb_dst_set_noref
drop existing skb dst before skb_dst_set_noref(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-911. 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-2026-74588] keep chunk->transport in step with the list it is queued on
keep chunk->transport in step with the list it is queued on. Red Hat rates this important (CVSS 8.8). Weakness: CWE-825. 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.