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-2026-64456] clamp device-reported used.len at copy_data
clamp device-reported used.len at copy_data(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64342] fix use-after-free on disconnect
fix use-after-free on disconnect. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64377] Fix possible double free
Fix possible double free. Red Hat rates this moderate (CVSS 7). Weakness: CWE-763.
High [CVE-2026-64490] Validate control metadata from the device
Validate control metadata from the device. Red Hat rates this important (CVSS 7). Weakness: CWE-787.
High [CVE-2026-64354] Validate BTF repeated field counts before expansion
Validate BTF repeated field counts before expansion. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787.
High [CVE-2026-64418] fix shrinker_info teardown race with expansion
fix shrinker_info teardown race with expansion. Red Hat rates this moderate (CVSS 7). Weakness: CWE-364.
High [CVE-2026-64384] fix change notify replay double-free
fix change notify replay double-free. Red Hat rates this moderate (CVSS 7). Weakness: CWE-1341.
High [CVE-2026-64277] synaptics-rmi4 - bound the F3A keymap to the GPIO count
synaptics-rmi4 - bound the F3A keymap to the GPIO count. Red Hat rates this important (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64515] fix MLE defragmentation
fix MLE defragmentation. Red Hat rates this moderate (CVSS 7). Weakness: CWE-823.
High [CVE-2026-64296] bound uniname advance in exfat_find_dir_entry
bound uniname advance in exfat_find_dir_entry(). Red Hat rates this important (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64378] fix race between cgroup_writeback_umount and inode_switch_wbs
fix race between cgroup_writeback_umount() and inode_switch_wbs(). Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64321] fix ndev refcount leak on queue connect
fix ndev refcount leak on queue connect. Red Hat rates this moderate (CVSS 7). Weakness: CWE-911.
High [CVE-2026-64276] synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count
synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count. Red Hat rates this important (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64355] Reject fragmented frames in devmap
Reject fragmented frames in devmap. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125.
High [CVE-2026-64448] restrict implied bcc[0] exemption to responses without data area
restrict implied bcc[0] exemption to responses without data area. Red Hat rates this moderate (CVSS 7).
High [CVE-2026-64385] fix double-free in SMB2_ioctl replay
fix double-free in SMB2_ioctl() replay. Red Hat rates this important (CVSS 7).
High [CVE-2026-64481] Fix firmware load work teardown
Fix firmware load work teardown. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64300] Fix page UAF in map_range
Fix page UAF in map_range(). Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64265] clear intr_entry in fuse_resend and fuse_remove_pending_req
clear intr_entry in fuse_resend and fuse_remove_pending_req. Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64382] fix double-free in SMB2_open replay
fix double-free in SMB2_open() replay. Red Hat rates this important (CVSS 7). Weakness: CWE-1341.