Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
2102 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, 1334 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-2026-80997] fix stalled modem TX queue after runtime resume
fix stalled modem TX queue after runtime resume. 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-rt.
Medium [CVE-2026-80996] do not propagate multicast notification errors
do not propagate multicast notification errors. Red Hat rates this low (CVSS 5.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80993] correctly validate returned PCS in phylink_inband_caps
correctly validate returned PCS in phylink_inband_caps. 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 OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80990] Release the Rx HopID that was handed out on mismatch
Release the Rx HopID that was handed out on mismatch. 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 OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80988] Fail TX enqueue when the QP link is down
Fail TX enqueue when the QP link is down. 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-rt.
Medium [CVE-2026-80987] Reject oversized TX buffers
Reject oversized TX 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 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80984] do not dereference an unset send buffer on the SMC-D teardown path
do not dereference an unset send buffer on the SMC-D teardown path. 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 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80983] fix socket refcount leak in smc_switch_conns
fix socket refcount leak in smc_switch_conns(). Red Hat rates this low (CVSS 5.5). 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 OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80980] stop killed, freed and out_of_sync sharing a byte
stop killed, freed and out_of_sync sharing a byte. 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 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80974] Fix potential memory leaks during remove
Fix potential memory leaks during remove. 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 Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80972] Check card index validity at probe
Check card index validity at probe. 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 Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80967] initialize mutexes before requesting threaded IRQ
initialize mutexes before requesting threaded IRQ. Red Hat rates this low (CVSS 5.5). Weakness: CWE-909. 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 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80963] fix a crash if allocation of per-cpu data fails
fix a crash if allocation of per-cpu data fails. 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 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80948] fix memory leak in iwl_op_mode_dvm_start
fix memory leak in iwl_op_mode_dvm_start(). 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 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80949] Fix memory leak in brcmf_sdio_read_control
Fix memory leak in brcmf_sdio_read_control(). 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 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80940] fix resource leak on failed NAPI setup
fix resource leak on failed NAPI setup. 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 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80941] Fix potential memory leak in rtw_txq_push_skb
Fix potential memory leak in rtw_txq_push_skb(). 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 OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80939] add.shutdown callback to stop rfkill polling on reboot
add.shutdown callback to stop rfkill polling on reboot. 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 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80936] cancel mlo_pm_work on stop
cancel mlo_pm_work on stop. Red Hat rates this low (CVSS 5.5). Weakness: CWE-763. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-80932] flush works in dependency order
flush works in dependency order. 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 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.