Red Hat Linux Security Advisories & CVEs
5468 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
Medium [CVE-2026-64151] Check for missing PAGE_SIZE in the pgsize_bitmap
Check for missing PAGE_SIZE in the pgsize_bitmap. Red Hat rates this low (CVSS 5.5). Weakness: CWE-358.
Medium [CVE-2026-64186] Remove latent out-of-bounds access in IOMMU debugfs
Remove latent out-of-bounds access in IOMMU debugfs. Red Hat rates this low (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-64181] fix __vm_normal_page to handle missing support for pmd_special /pud_special
fix __vm_normal_page() to handle missing support for pmd_special()/pud_special(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-166.
Medium [CVE-2026-64052] Fix null-ptr-deref in bio_integrity_map_user
Fix null-ptr-deref in bio_integrity_map_user(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64148] fix error handling in pdsc_devcmd_wait
fix error handling in pdsc_devcmd_wait. Red Hat rates this moderate. Weakness: CWE-393.
Medium [CVE-2026-64118] fix double free in qed_cxt_tables_alloc
fix double free in qed_cxt_tables_alloc(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1341.
Medium [CVE-2026-64162] fix read_dev_clk_lock spinlock init in idpf_ptp_init
fix read_dev_clk_lock spinlock init in idpf_ptp_init(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-909.
Medium [CVE-2026-64178] Fix UAF read of dev->name
Fix UAF read of dev->name. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64107] fix null-ptr dereference in pcm512x_overclock_xxx_put
fix null-ptr dereference in pcm512x_overclock_xxx_put(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64145] fix dma_buffer leak on bus acquire failure
fix dma_buffer leak on bus acquire failure. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-64163] clear kprobes between test runs
clear kprobes between test runs. Red Hat rates this low (CVSS 5.5). Weakness: CWE-459.
Medium [CVE-2026-64046] prevent chain-after-chain in plain text SG
prevent chain-after-chain in plain text SG. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-237.
Medium [CVE-2026-64171] fix pm_runtime leak on mutex_lock failure
fix pm_runtime leak on mutex_lock failure. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-64112] eliminate a race in lock_dwork draining on unmap
eliminate a race in lock_dwork draining on unmap. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367.
Medium [CVE-2026-64150] release local_lock before re-enabling softirqs
release local_lock before re-enabling softirqs. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-821.
Medium [CVE-2026-64084] (pmbus/adm1266) cap PDIO scan in get_multiple at ADM1266_PDIO_NR
(pmbus/adm1266) cap PDIO scan in get_multiple at ADM1266_PDIO_NR. Red Hat rates this moderate. Weakness: CWE-125.
Medium [CVE-2026-64182] fix memory block reference leak in poison accounting
fix memory block reference leak in poison accounting. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-64063] Fix streaming write being overwritten
Fix streaming write being overwritten. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367.
Medium [CVE-2026-64078] add and use xtables_unregister_table_exit
add and use xtables_unregister_table_exit. Red Hat rates this low (CVSS 5.5). Weakness: CWE-459.
Medium [CVE-2026-64105] Free private_irqs when init fails after allocation
Free private_irqs when init fails after allocation. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772.