Red Hat Linux Security Advisories & CVEs
5649 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-2026-89508] Lock the handler in ucma_set_ib_path
Lock the handler in ucma_set_ib_path(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89507] Lock the handler in ucma_write_cm_event
Lock the handler in ucma_write_cm_event(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89506] Add UVERBS_ATTR_UHW to UVERBS_METHOD_REG_MR
Add UVERBS_ATTR_UHW to UVERBS_METHOD_REG_MR. 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-2026-89504] fix premature of_node_put leaving dangling of_node pointer
fix premature of_node_put leaving dangling of_node pointer. 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-2026-89505] Guard legacy bundles without method_elm
Guard legacy bundles without method_elm. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-824. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89503] Fix subbuf resize race with ring_buffer_alloc_read_page
Fix subbuf resize race with ring_buffer_alloc_read_page(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel-rt.
Medium [CVE-2026-89502] Free cpu_buffer::free_page with subbuf_order
Free cpu_buffer::free_page with subbuf_order. Red Hat rates this low (CVSS 5.5). Weakness: CWE-763. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel-rt.
Medium [CVE-2026-89498] fix double-free of trailer_buf on readdir copy failure
fix double-free of trailer_buf on readdir copy failure. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-763. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89499] Stop remote reader update when page swap fails
Stop remote reader update when page swap fails. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-390.
Medium [CVE-2026-89497] skip leading spaces before parsing client debug masks
skip leading spaces before parsing client debug masks. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-120.
Medium [CVE-2026-89495] bound namelen in dlm_migrate_request_handler
bound namelen in dlm_migrate_request_handler. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-120. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89496] always run deallocs on copy-on-write completion
always run deallocs on copy-on-write completion. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-772.
Medium [CVE-2026-89494] validate lengths in dlm_mig_lockres_handler
validate lengths in dlm_mig_lockres_handler. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.
Medium [CVE-2026-89493] validate rl_used against rl_count in refcount block validator
validate rl_used against rl_count in refcount block validator. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89492] validate directory-index entry counts when reading metadata
validate directory-index entry counts when reading metadata. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125.
Medium [CVE-2026-89491] don't sleep while holding o2hb_live_lock in o2hb_region_pin
don't sleep while holding o2hb_live_lock in o2hb_region_pin(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-663.
Medium [CVE-2026-89489] fix arbitrary kernel memory access via or1k_atomic syscall
fix arbitrary kernel memory access via or1k_atomic syscall. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-822. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89490] Denial of Service via readdir position truncation on 32-bit kernels
Denial of Service via readdir position truncation on 32-bit kernels. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-190. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
Medium [CVE-2026-89486] Fix use-after-free of cmd_rcvr in _ipmi_destroy_user
Fix use-after-free of cmd_rcvr in _ipmi_destroy_user(). 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-2026-89484] fix NULL dereference on lockowner allocation failure
fix NULL dereference on lockowner allocation failure. Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.