Red Hat Linux Security Advisories & CVEs
5480 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Linux 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.
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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 Linux advisories
High [CVE-2026-64319] validate reply message payload bounds against transfer length
validate reply message payload bounds against transfer length. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64266] re-lock request before returning from fuse_ref_folio
re-lock request before returning from fuse_ref_folio(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64414] handle unreadable frags
handle unreadable frags. Red Hat rates this moderate (CVSS 7). Weakness: CWE-390.
High [CVE-2026-64470] fix use-after-free on marvell probe failure
fix use-after-free on marvell probe failure. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64304] qat - validate RSA CRT component lengths
qat - validate RSA CRT component lengths. Red Hat rates this important (CVSS 7). Weakness: CWE-787.
High [CVE-2026-64523] Take a long-lived file reference at submit
Take a long-lived file reference at submit. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64286] Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU
Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU. Red Hat rates this moderate (CVSS 7).
High [CVE-2026-64483] bound the sample count to the packet payload
bound the sample count to the packet payload. Red Hat rates this important (CVSS 7). Weakness: CWE-120.
High [CVE-2026-64438] qat - fix VF2PF work teardown race in adf_disable_sriov
qat - fix VF2PF work teardown race in adf_disable_sriov(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64371] protect ptrace_may_access with exec_update_lock (part 1)
protect ptrace_may_access() with exec_update_lock (part 1). Red Hat rates this moderate (CVSS 7).
High [CVE-2026-64386] fix query_info replay double-free
fix query_info() replay double-free. Red Hat rates this important (CVSS 7). Weakness: CWE-1341.
Medium [CVE-2026-64415] add cond_resched in swap_reclaim_full_clusters to prevent softlockup
add cond_resched() in swap_reclaim_full_clusters to prevent softlockup. Red Hat rates this low (CVSS 5.5). Weakness: CWE-770.
Medium [CVE-2026-64452] fix NHC entry use-after-free on error path
fix NHC entry use-after-free on error path. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64424] fix a use-after-free on shutdown path
fix a use-after-free on shutdown path. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64346] Fix use-after-free in gadget_match_driver
Fix use-after-free in gadget_match_driver. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64293] Use sizeof(*hdr) instead of sizeof(hdr) in veventq read
Use sizeof(*hdr) instead of sizeof(hdr) in veventq read. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-64362] cancel pending work on remove to fix a use-after-free
cancel pending work on remove to fix a use-after-free. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64373] Fix hotplug-suspend race during reboot
Fix hotplug-suspend race during reboot. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64351] bound RX frame length in kalmia_rx_fixup
bound RX frame length in kalmia_rx_fixup(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-64485] Fix task creation error unwind
Fix task creation error unwind. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772.