Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
1963 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, 686 high, 1273 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-2026-80587] avoid combining some incoming suboptions
avoid combining some incoming suboptions. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1288. 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-2026-80544] Improve EP11 CPRB domain handling with ASN.1 parsing
Improve EP11 CPRB domain handling with ASN.1 parsing. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-805. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80574] focaltech - fix array out-of-bounds in focaltech_process_rel_packet
focaltech - fix array out-of-bounds in focaltech_process_rel_packet. 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 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80548] Selectively expand io_mutex
Selectively expand io_mutex. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-366. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80551] Ensure first IDAW remains constant
Ensure first IDAW remains constant. 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-2026-80579] clear fb_info->mode before deleting a videomode
clear fb_info->mode before deleting a videomode. 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-2026-80549] Move cp cleanup out of not operational
Move cp cleanup out of not operational. Red Hat rates this low (CVSS 5.5). Weakness: CWE-833. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-74745] avoid deadlock when canceling IRQ affinity notifier
avoid deadlock when canceling IRQ affinity notifier. Red Hat rates this low (CVSS 5.5). Weakness: CWE-833. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80588] reclaim forward-allocated memory on RX path errors
reclaim forward-allocated memory on RX path errors. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; 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.