Red Hat Linux Security Advisories & CVEs
5472 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-2026-64071] fix use-after-free in nvme_free_host_mem
fix use-after-free in nvme_free_host_mem(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-476.
High [CVE-2026-64051] Add overflow check to remap_pfn_range during mmap
Add overflow check to remap_pfn_range during mmap. Red Hat rates this important (CVSS 7). Weakness: CWE-787.
High [CVE-2026-64109] Fix UAF read of tail->len in unix_stream_data_wait
Fix UAF read of tail->len in unix_stream_data_wait(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-366.
High [CVE-2026-64132] refresh hdr pointer before ioam6_event
refresh hdr pointer before ioam6_event(). Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53374] zero-initialize GART table on allocation
zero-initialize GART table on allocation. Red Hat rates this important (CVSS 7). Weakness: CWE-824.
High [CVE-2026-63809] use kvfree for replaced sysctl write buffer
use kvfree() for replaced sysctl write buffer. Red Hat rates this moderate (CVSS 7). Weakness: CWE-763.
High [CVE-2026-53381] fix UAF on submount umount
fix UAF on submount umount. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53395] fix dead ACL conflict guard in nfsd4_create
fix dead ACL conflict guard in nfsd4_create. Red Hat rates this moderate (CVSS 7). Weakness: CWE-772.
High [CVE-2026-63826] fix use-after-free in store_modes
fix use-after-free in store_modes(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-63795] avoid putting oldfid in p9_client_walk error path
avoid putting oldfid in p9_client_walk() error path. Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53384] unregister 8250 port if clk_notifier_register fails
unregister 8250 port if clk_notifier_register() fails. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-63823] Pin request_key_auth payload in instantiate paths
Pin request_key_auth payload in instantiate paths. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-63800] Fix use-after-free in pnfs_update_layout
Fix use-after-free in pnfs_update_layout(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53393] reset write verifier on deferred writeback errors
reset write verifier on deferred writeback errors. Red Hat rates this moderate (CVSS 7). Weakness: CWE-390.
High [CVE-2026-53398] Fix SECINFO_NO_NAME decode error cleanup
Fix SECINFO_NO_NAME decode error cleanup. Red Hat rates this important (CVSS 7). Weakness: CWE-824.
High [CVE-2026-63797] Fix use-after-free on probe error path
Fix use-after-free on probe error path. Red Hat rates this important (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53397] fix posix_acl leak on SETACL decode failure
fix posix_acl leak on SETACL decode failure. Red Hat rates this moderate (CVSS 7). Weakness: CWE-772.
High [CVE-2026-63829] require CAP_NET_ADMIN in the device netns for changelink
require CAP_NET_ADMIN in the device netns for changelink. Red Hat rates this important (CVSS 7). Weakness: CWE-266.
High [CVE-2026-63808] fix potential use-after-free in exfat_find_dir_entry
fix potential use-after-free in exfat_find_dir_entry(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53399] release layout stid on setlease failure
release layout stid on setlease failure. Red Hat rates this important (CVSS 7). Weakness: CWE-825.