Red Hat Linux Security Advisories & CVEs
3067 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-2026-46227] revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL
revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL. Red Hat rates this important (CVSS 7). Weakness: CWE-367. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:34094 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 6 more.
High [CVE-2026-46117] Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()
Remove user triggerable WARN_ON() in mana_ib_create_qp_rss(). Red Hat rates this important (CVSS 7). Weakness: CWE-1288. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:30129 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
High [CVE-2026-46145] Validate rx_hash_key_len
Validate rx_hash_key_len. Red Hat rates this important (CVSS 7). Weakness: CWE-787. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-46189] Fix double free on pvrdma_alloc_ucontext() error path
Fix double free on pvrdma_alloc_ucontext() error path. Red Hat rates this important (CVSS 7). Weakness: CWE-1341. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:30848 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream E4S (v.9.2); Red Hat Enterprise Linux AppStream E4S (v.9.4); Red Hat Enterprise Linux AppStream EUS (v.9.6); and 34 more.
High [CVE-2026-46176] Fix error path fall-through in mlx5_ib_dev_res_srq_init()
Fix error path fall-through in mlx5_ib_dev_res_srq_init(). Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34094 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-46215] Set old handle to NULL before prime swap in change_handle
Set old handle to NULL before prime swap in change_handle. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-46173] prevent preemption of oopsing TASK_DEAD task
prevent preemption of oopsing TASK_DEAD task. Red Hat rates this moderate (CVSS 7). Weakness: CWE-1341. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
High [CVE-2026-46209] Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()
Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs(). Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-190. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34911 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-46166] use safe list iteration in radar detect work
use safe list iteration in radar detect work. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-43000] Privilege escalation via chained application credential impersonation and trust misuse
Privilege escalation via chained application credential impersonation and trust misuse. Red Hat rates this important (CVSS 8.4). Weakness: CWE-266. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
High [CVE-2026-42999] Unauthorized access and privilege escalation via arbitrary policy attribute injection
Unauthorized access and privilege escalation via arbitrary policy attribute injection. Red Hat rates this important (CVSS 8.3). Weakness: CWE-639. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
High [CVE-2026-46195] validate dacloffset before building DACL pointers
validate dacloffset before building DACL pointers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:21745 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.
High [CVE-2026-46135] fix race between ICReq handling and queue teardown
fix race between ICReq handling and queue teardown. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-1341. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.
High [CVE-2026-44724] Command injection via NetworkManager connection profile name
Command injection via NetworkManager connection profile name. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. Affected package(s): rhdh/rhdh-hub-rhel9:1782761244. Resolved in Red Hat advisory RHSA-2026:33574 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.9; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-8643] Path traversal via malicious entry point name in pip wheel installation allows arbitrary file overwrite
Path traversal via malicious entry point name in pip wheel installation allows arbitrary file overwrite. Red Hat rates this important (CVSS 8). Weakness: CWE-22. Affected package(s): rhoai/odh-th06-cuda130-torch210-py312-rhel9:1782136276, rhoai/odh-training-rocm62-torch25-py311-rhel9:1782132236, rhoai/odh-th06-cpu-torch210-py312-rhel9:1782135464, rhoai/odh-training-cuda128-torch29-py312-rhel9:1782132240, rhai/base-image-rocm-rhel9:1782914721, rhai/base-image-spyre-rhel9:1782916020. Resolved in Red Hat advisory RHSA-2026:34748 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Discovery 2; Red Hat Hardened Images; and 18 more.
High [CVE-2026-42790] Erlang OTP public_key: Certificate validation bypass allows hostname spoofing
Erlang OTP public_key: Certificate validation bypass allows hostname spoofing. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0; Red Hat OpenStack Services on OpenShift 18.0.
High [CVE-2026-42789] Erlang OTP public_key: Certificate chain forgery via improper trust chain validation
Erlang OTP public_key: Certificate chain forgery via improper trust chain validation. Red Hat rates this important (CVSS 8). Weakness: CWE-295. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0; Red Hat OpenStack Services on OpenShift 18.0.
High [CVE-2026-1933] Missing access check on reparse point operations
Missing access check on reparse point operations. Red Hat rates this important (CVSS 7.1). Weakness: CWE-284. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; and 9 more.
High [CVE-2026-3012] group policy certificate enrollment uses http:// without validation
group policy certificate enrollment uses http:// without validation. Red Hat rates this important (CVSS 8). Weakness: CWE-345. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; and 6 more.
High [CVE-2026-8450] HTTP::Daemon: Arbitrary code execution via OS command injection in send_file()
HTTP::Daemon: Arbitrary code execution via OS command injection in send_file(). Red Hat rates this important (CVSS 8.1). Weakness: CWE-78. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.