Red Hat Linux Security Advisories & CVEs
11870 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
Android app · Google Play
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
Official source
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 advisories
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-2026-80975] keep the reply buffer alive past a command timeout
keep the reply buffer alive past a command timeout. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-562.
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-2026-80968] Check card index validity at probe
Check card index validity at probe. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
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-2026-80966] Check card index validity at probe
Check card index validity at probe. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-80965] Check card index validity at probe
Check card index validity at probe. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-805.
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-2026-80962] validate geometry fields from on-disk cache_info
validate geometry fields from on-disk cache_info. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-80961] validate kset key_num and intra-segment bounds
validate kset key_num and intra-segment bounds. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-80960] validate on-media seg_num against the cache device size
validate on-media seg_num against the cache device size. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-80959] bound the persisted tail-position offset
bound the persisted tail-position offset. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-80957] detect a cycle in the last-kset chain during replay
detect a cycle in the last-kset chain during replay. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-835.
Medium [CVE-2026-80958] clamp the tail kset read to the segment data region
clamp the tail kset read to the segment data region. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.