Red Hat Linux Security Advisories & CVEs
3062 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 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.
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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 advisories
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.
High [CVE-2026-53392] reject zero filehandle version count
reject zero filehandle version count. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476.
High [CVE-2026-63794] Fix page overflow in sev_dbg_crypt for ENCRYPT path
Fix page overflow in sev_dbg_crypt() for ENCRYPT path. Red Hat rates this moderate (CVSS 7). Weakness: CWE-805.
High [CVE-2026-63831] add skb_cow_data before in-place crypto
add skb_cow_data() before in-place crypto. Red Hat rates this important (CVSS 7). Weakness: CWE-820.
High [CVE-2026-63824] fix overflow in keyctl_pkey_params_get_2
fix overflow in keyctl_pkey_params_get_2(). Red Hat rates this important (CVSS 7). Weakness: CWE-787.
High [CVE-2026-63807] Ensure hugepage is in by slot before checking max mapping level
Ensure hugepage is in by slot before checking max mapping level. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:49030 with package kernel-0:6.12.0-55.94.1.el10_0. Affected product named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-63802] fix UAF in __blkcg_rstat_flush
fix UAF in __blkcg_rstat_flush(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-63801] fix slab-use-after-free Read in tipc_aead_decrypt_done
fix slab-use-after-free Read in tipc_aead_decrypt_done. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53388] re-lock request before replacing page cache folio
re-lock request before replacing page cache folio. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-53396] fix posix_acl leak and ignored error in nfsd4_create_file
fix posix_acl leak and ignored error in nfsd4_create_file. Red Hat rates this important (CVSS 7). Weakness: CWE-772.
High [CVE-2026-53391] reject zero-length r_addr in nfs4_decode_mp_ds_addr
reject zero-length r_addr in nfs4_decode_mp_ds_addr. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476.
High [CVE-2026-63830] preserve across SG transforms
preserve sg.copy across SG transforms. Red Hat rates this important (CVSS 7). Weakness: CWE-279.
High [CVE-2026-64037] fix TSO segmentation explosion when AMSDU is disabled
fix TSO segmentation explosion when AMSDU is disabled. Red Hat rates this important (CVSS 7). Weakness: CWE-476.
High [CVE-2026-64122] Fix use-after-free in mlx5e_tx_reporter_timeout_recover
Fix use-after-free in mlx5e_tx_reporter_timeout_recover. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-64136] protect tc_count increment in smb2_find_smb_sess_tcon_unlocked
protect tc_count increment in smb2_find_smb_sess_tcon_unlocked(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-414.