Red Hat Linux Security Advisories & CVEs
4452 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-2026-89631] reject a tree connect response whose byte count is too small
reject a tree connect response whose byte count is too small. Red Hat rates this important (CVSS 8.1). Weakness: CWE-125. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89630] restore the data_offset bound in is_valid_oplock_break
restore the data_offset bound in is_valid_oplock_break(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89626] Fix field sysfs group cleanup on failure
Fix field sysfs group cleanup on failure. Red Hat rates this moderate (CVSS 7). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89625] fix UAF of ghl_poke_timer / ghl_urb at driver unbind
fix UAF of ghl_poke_timer / ghl_urb at driver unbind. Red Hat rates this moderate (CVSS 7). Weakness: CWE-364. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-89620] validate report size before copy
validate report size before copy. Red Hat rates this important (CVSS 7). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89619] bound GET_REPORT response to the caller buffer
bound GET_REPORT response to the caller buffer. Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89609] hold msg ctx list lock when cleaning daemon queue
hold msg ctx list lock when cleaning daemon queue. Red Hat rates this moderate (CVSS 7). Weakness: CWE-820. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89607] reject oversized encrypted_key_size in parse_tag_3_packet
reject oversized encrypted_key_size in parse_tag_3_packet. Red Hat rates this important (CVSS 7). Weakness: CWE-787.
High [CVE-2026-89606] reject too-small tag 70 packets
reject too-small tag 70 packets. Red Hat rates this moderate (CVSS 7). Weakness: CWE-191. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89603] Fix seccomp bypass after ptrace with TSYNC
Fix seccomp bypass after ptrace with TSYNC. Red Hat rates this important (CVSS 7.8). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89602] skip sufficiently large global buffers when resizing
skip sufficiently large global buffers when resizing. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89587] fix stack buffer overflow in query_capability
fix stack buffer overflow in query_capability(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89583] Fix OOB read in eir_get_service_data
Fix OOB read in eir_get_service_data(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89584] validate user space vectors during extraction
validate user space vectors during extraction. Red Hat rates this moderate (CVSS 7). Weakness: CWE-1288. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89582] fix double free in bnx2x_init_firmware error path
fix double free in bnx2x_init_firmware() error path. Red Hat rates this moderate (CVSS 7). Weakness: CWE-1341. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89581] bpf, x86: Fix per-CPU address resolution into an extended register
bpf, x86: Fix per-CPU address resolution into an extended register. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89580] Disable preemption in __bpf_get_stack
Disable preemption in __bpf_get_stack. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89575] dm raid1: reserve space for NUL-terminator in build_constructor_string
dm raid1: reserve space for NUL-terminator in build_constructor_string(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-170. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89570] Make the MCE notifier per-region
Make the MCE notifier per-region. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel-rt.
High [CVE-2026-89569] serialize security confirmation handling
serialize security confirmation handling. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.