Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
2105 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, 1337 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-2026-80703] Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE
Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1220. 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.
Medium [CVE-2026-80659] defer reset until cmd_mutex is unlocked
defer reset until cmd_mutex is unlocked. 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 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-2026-80699] Avoid double-deactivate of IRQs in the nested context
Avoid double-deactivate of IRQs in the nested context. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1341. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-80709] Fix wrong domain value verification with EP11 CPRBs
Fix wrong domain value verification with EP11 CPRBs. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80686] fix pte_pfn/pte_dirty called on non-present PTE
fix pte_pfn/pte_dirty called on non-present PTE. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-824. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80715] remove napi_synchronize in igc_down
remove napi_synchronize() in igc_down(). 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-2026-80708] Fix missing mem scrub at clear key import in cca_clr2cipherkey
Fix missing mem scrub at clear key import in cca_clr2cipherkey(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-212. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80611] Mark LPI enter functions as __cpuidle
Mark LPI enter functions as __cpuidle. Red Hat rates this low (CVSS 5.5). Weakness: CWE-820. 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-2026-80704] use proper context for logging
use proper context for logging. 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 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-80634] avoid num_encaps underflow on bridge VLAN untag
avoid num_encaps underflow on bridge VLAN untag. 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-2026-80701] enforce cursor size limits for MOB cursors
enforce cursor size limits for MOB cursors. 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 package: kernel-rt.
Medium [CVE-2026-80641] enable the right set of ciphers
enable the right set of ciphers. Red Hat rates this low (CVSS 5.5). Weakness: CWE-835. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80692] hold conn in hci_connect_acl/le_sync callbacks
hold conn in hci_connect_acl/le_sync() callbacks. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-911. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80615] fix false-positive memcpy overflow in tun_dst_unclone
fix false-positive memcpy overflow in tun_dst_unclone. 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 Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80705] check if dml21_add_phantom_plane is successful
check if dml21_add_phantom_plane() is successful. 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 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80719] fix stale batch updates after memcg reparenting
fix stale batch updates after memcg reparenting. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80616] Avoid calling WARN_ON on -ENOMEM in cfg802154_switch_netns
Avoid calling WARN_ON() on -ENOMEM in cfg802154_switch_netns(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-779. 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.
Medium [CVE-2026-80721] ensure no dangling hcon references in iso_conn
ensure no dangling hcon references in iso_conn. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-911. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-80685] don't read __page_2 for order-1 folios in snapshot_page
don't read __page_2 for order-1 folios in snapshot_page(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: kernel.
Medium [CVE-2026-80646] guard against possible NULL deref in __in6_dev_stats_get
guard against possible NULL deref in __in6_dev_stats_get(). 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 6; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.