Red Hat Linux Security Advisories & CVEs
5478 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-2026-64295] add count limit to page_ext_iter_next to prevent invalid PFN access
add count limit to page_ext_iter_next to prevent invalid PFN access. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64288] Avoid dereferencing NULL VNCR pseudo-TLB
Avoid dereferencing NULL VNCR pseudo-TLB. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64343] fix use-after-free on disconnect race
fix use-after-free on disconnect race. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64374] Have RT_PUSH_IPI be default off for non PREEMPT_RT
Have RT_PUSH_IPI be default off for non PREEMPT_RT. Red Hat rates this moderate (CVSS 5.5).
Medium [CVE-2026-64492] use devm_iio_trigger_register
use devm_iio_trigger_register. Red Hat rates this moderate. Weakness: CWE-825.
Medium [CVE-2026-64436] initialize alg_key_len for IPComp states
initialize alg_key_len for IPComp states. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-64491] fix work UAF on disconnect
fix work UAF on disconnect. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64376] fix device reference leak in firmware_upload_register
fix device reference leak in firmware_upload_register(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-911.
Medium [CVE-2026-64454] run gadget disconnect from sleepable suspend context
run gadget disconnect from sleepable suspend context. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-663.
Medium [CVE-2026-64472] Fix racy bitfields and tighten struct layout
Fix racy bitfields and tighten struct layout. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-663.
Medium [CVE-2026-64360] zero-initialize buffer in hfs_bnode_read
zero-initialize buffer in hfs_bnode_read. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-908.
Medium [CVE-2026-64370] Fix pid refcount leak in do_cpu_nanosleep error path
Fix pid refcount leak in do_cpu_nanosleep() error path. Red Hat rates this low (CVSS 5.5). Weakness: CWE-911.
Medium [CVE-2026-64388] fix chown/chgrp with SMB3 POSIX Extensions
fix chown/chgrp with SMB3 POSIX Extensions. Red Hat rates this low (CVSS 5.5). Weakness: CWE-279.
Medium [CVE-2026-64463] unregister TCPCI port with devres
unregister TCPCI port with devres. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-459.
Medium [CVE-2026-64416] fix NULL deref in lookup_swap_cgroup_id on swapless host
fix NULL deref in lookup_swap_cgroup_id on swapless host. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476.
Medium [CVE-2026-64256] don't wrap around quota ids in dqiterate
don't wrap around quota ids in dqiterate. Red Hat rates this low (CVSS 5.5). Weakness: CWE-190.
Medium [CVE-2026-64327] Initialize epfile->in early to fix endpoint direction checks
Initialize epfile->in early to fix endpoint direction checks. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-908.
Medium [CVE-2026-64333] fix write buffer corruption
fix write buffer corruption. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-64510] Fix acpi_nfit_init error cleanup
Fix acpi_nfit_init() error cleanup. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-64426] fix file reference leak with IOSQE_FIXED_FILE
fix file reference leak with IOSQE_FIXED_FILE. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-772.