Red Hat Linux Security Advisories & CVEs
5652 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
Medium [CVE-2026-89455] Fix use-after-free of event IRQs during teardown
Fix use-after-free of event IRQs during teardown. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89454] Fix IRQ domain leaks in the error paths of plda_init_interrupts
Fix IRQ domain leaks in the error paths of plda_init_interrupts(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89453] Put PCI device after handling PPR faults
Put PCI device after handling PPR faults. Red Hat rates this low (CVSS 5.5). Weakness: CWE-911. 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.
Medium [CVE-2026-89452] Unwind probe state on registration failure
Unwind probe state on registration failure. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-89451] Set handle->dev before the SVA handle is visible
Set handle->dev before the SVA handle is visible. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89449] Fix dev_iommu memory leak when device_add fails in iommu_mock_device_add
Fix dev_iommu memory leak when device_add fails in iommu_mock_device_add. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89447] Avoid locking internal accesses during unmap
Avoid locking internal accesses during unmap. Red Hat rates this low (CVSS 5.5). Weakness: CWE-911. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89446] Release current IOAS on xa_store failure
Release current IOAS on xa_store() failure. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89443] Validate level in perf mask ioctls
Validate level in perf mask ioctls. Red Hat rates this moderate (CVSS 5.5). 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.
Medium [CVE-2026-89442] Validate socket ID in clos_assoc ioctl
Validate socket ID in clos_assoc ioctl. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. 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.
Medium [CVE-2026-89441] cancel card-detect work on remove
cancel card-detect work on remove. Red Hat rates this moderate (CVSS 5.5). 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.
Medium [CVE-2026-89439] Add a NULL check for sst_inst
Add a NULL check for sst_inst[]. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. 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.
Medium [CVE-2026-89438] Validate logical CPU id and clos id
Validate logical CPU id and clos id. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787. 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.
Medium [CVE-2026-89437] Fix potential memory leak in sar_probe
Fix potential memory leak in sar_probe(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-89436] Fix sentinel write past pcc->sinf
Fix sentinel write past pcc->sinf[]. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-81018] Free system certificate signatures
Free system certificate signatures. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-81017] Bound the EC-reported sensor number
Bound the EC-reported sensor number. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-81016] Propagate SMU errors and validate S2D address
Propagate SMU errors and validate S2D address. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-908. 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.
Medium [CVE-2026-81014] fix heap OOB read in sk_store and kek_store
fix heap OOB read in sk_store() and kek_store(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-81012] fix off-by-one write in hp_get_string_from_buffer
fix off-by-one write in hp_get_string_from_buffer(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-193.