Red Hat Linux Security Advisories & CVEs
4484 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-2026-89523] cancel pending mlo_pm_work
cancel pending mlo_pm_work. Red Hat rates this moderate (CVSS 7). 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-2026-89510] Cancel reg_work before freeing device on remove
Cancel reg_work before freeing device on remove. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89501] Hold cpu_buffer::lock when resizing a subbuf
Hold cpu_buffer::lock when resizing a subbuf. Red Hat rates this moderate (CVSS 7). Weakness: CWE-413. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89500] Make cpu_buffer::free_page a buffer_data_read_page
Make cpu_buffer::free_page a buffer_data_read_page. Red Hat rates this moderate (CVSS 7). Weakness: CWE-763. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel-rt.
High [CVE-2026-89488] Fix CT limit teardown use-after-free
Fix CT limit teardown use-after-free. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89487] only skb_tx_error a packet we are about to drop
only skb_tx_error() a packet we are about to drop. Red Hat rates this important (CVSS 7). Weakness: CWE-367. 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-2026-89485] pin next file across nlm_inspect_file lock-drop
pin next file across nlm_inspect_file lock-drop. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89482] do not accept C2HData based on blk_rq_payload_bytes alone
do not accept C2HData based on blk_rq_payload_bytes() alone. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. 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-2026-89481] fix host memory disclosure on R2T for a read command
fix host memory disclosure on R2T for a read command. Red Hat rates this important (CVSS 7.1). Weakness: CWE-201. Red Hat lists fixing advisory RHSA-2026:71602 with package kernel-0:6.12.0-211.60.1.el10_2. Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-89480] reject a read that transferred too few bytes
reject a read that transferred too few bytes. Red Hat rates this moderate (CVSS 7). Weakness: CWE-130. Red Hat lists fixing advisory RHSA-2026:71329 with package kernel-rt-0:4.18.0-553.168.1.rt7.509.el8_10, kernel-0:6.12.0-211.61.1.el10_2, kernel-0:4.18.0-553.168.1.el8_10. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10.
High [CVE-2026-89479] stop processing a packet once its association is deleted
stop processing a packet once its association is deleted. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89478] drop a chunk if its transport was removed
drop a chunk if its transport was removed. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-89476] fix stream->outcnt underflow on duplicate RECONF responses
fix stream->outcnt underflow on duplicate RECONF responses. Red Hat rates this moderate (CVSS 7). Weakness: CWE-191. 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-2026-89477] fix NULL deref on untransmitted RECONF completion
fix NULL deref on untransmitted RECONF completion. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89458] Do not complete a failed ESE read as successful
Do not complete a failed ESE read as successful. Red Hat rates this moderate (CVSS 7). Weakness: CWE-824. 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-2026-89456] Propagate partial completion length across ERP recovery
Propagate partial completion length across ERP recovery. Red Hat rates this moderate (CVSS 7). Weakness: CWE-908. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89450] Reject a vSID wider than the SID_MATCH field
Reject a vSID wider than the SID_MATCH field. Red Hat rates this important (CVSS 7.8). Weakness: CWE-681. 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-2026-89448] Force requesting ACS when tboot is enabled
Force requesting ACS when tboot is enabled. Red Hat rates this moderate (CVSS 7). Weakness: CWE-358. 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-2026-89445] Fix UAF in selftest IOPF reporting
Fix UAF in selftest IOPF reporting. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-89444] Don't hex dump attribute security buffer
Don't hex dump attribute security buffer. Red Hat rates this moderate (CVSS 7). Weakness: CWE-256. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.