Red Hat Linux Security Advisories & Vulnerabilities
16066 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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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, so keep the system patched. This is the release's advisory history, not a per-package scan.
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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-2026-23002] use __kernel_read() for sleepable context
use __kernel_read() for sleepable context. Red Hat rates this low (CVSS 4.7). Weakness: CWE-476. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:18134 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
Medium [CVE-2026-22998] fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec
fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec. Red Hat rates this moderate (CVSS 6.4). Weakness: CWE-476. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:2722 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8.
Medium [CVE-2026-24401] Denial of Service via recursive CNAME record in mDNS response
Denial of Service via recursive CNAME record in mDNS response. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-674. Affected package(s): avahi-main. Resolved in Red Hat advisory RHSA-2026:11316 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-1299] email header injection due to unquoted newlines
email header injection due to unquoted newlines. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-93. Affected package(s): discovery/discovery-server-rhel9:1775668717, python3, python3.11, python3.12, rhui5/rhua-rhel9:1773670137, rhaiis/vllm-rocm-rhel9:1775680262. Resolved in Red Hat advisory RHSA-2026:5606 — 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 1; Red Hat Enterprise Linux 7.
High [CVE-2026-0994] Denial of Service due to recursion depth bypass
Denial of Service due to recursion depth bypass. Red Hat rates this important (CVSS 7.5). Weakness: CWE-674. Affected package(s): protobuf, python3.12-protobuf, rhaiis/vllm-spyre-rhel9:1778244546, rhaiis/model-opt-cuda-rhel9:1775749857, rhaiis/vllm-rocm-rhel9:1775680262, rhaiis/vllm-cuda-rhel9:1775680192. Resolved in Red Hat advisory RHSA-2026:3958 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 6 more.
High [CVE-2026-0775] npm cli Incorrect Permission Assignment Local Privilege Escalation Vulnerability
npm cli Incorrect Permission Assignment Local Privilege Escalation Vulnerability. Red Hat rates this important (CVSS 7). Weakness: CWE-732. 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-2025-15059] heap-based buffer overflow via specially crafted PSP file
heap-based buffer overflow via specially crafted PSP file. Red Hat rates this important (CVSS 7.8). Weakness: CWE-122. Affected package(s): gimp. Resolved in Red Hat advisory RHSA-2026:2953 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; and 1 more.
High [CVE-2026-22984] prevent potential out-of-bounds reads in handle_auth_done()
prevent potential out-of-bounds reads in handle_auth_done(). Red Hat rates this moderate (CVSS 7.1). Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-22990] replace overzealous BUG_ON in osdmap_apply_incremental()
replace overzealous BUG_ON in osdmap_apply_incremental(). Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-617. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
Medium [CVE-2025-71151] Fix memory and information leak in smb3_reconfigure()
Fix memory and information leak in smb3_reconfigure(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2025:6966 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Critical [CVE-2026-20912] Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure. Red Hat rates this critical (CVSS 9.1). Weakness: CWE-283. 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.
Critical [CVE-2026-20897] Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)
Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR). Red Hat rates this critical (CVSS 9.1). Weakness: CWE-639. 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.
Critical [CVE-2026-20750] Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR). Red Hat rates this critical (CVSS 9.1). Weakness: CWE-284. 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-2026-20736] Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check
Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check. Red Hat rates this important (CVSS 7.5). Weakness: CWE-284. 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-2026-1260] Invalid memory access leading to potential arbitrary code execution via a crafted model file.
Invalid memory access leading to potential arbitrary code execution via a crafted model file.. Red Hat rates this important (CVSS 7.8). Weakness: CWE-119. Affected package(s): rhoai/odh-openvino-model-server-rhel9:1772093351, rhoai/odh-training-cuda124-torch25-py311-rhel9:1772093260, rhoai/odh-training-cuda121-torch24-py311-rhel9:1772093252, rhoai/odh-openvino-model-server-rhel9:1771608633, rhoai/odh-training-rocm62-torch25-py311-rhel9:1772093324, rhoai/odh-training-rocm62-torch24-py311-rhel9:1772093338. Resolved in Red Hat advisory RHSA-2026:3713 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; Red Hat AI Inference Server.
High [CVE-2026-24049] Privilege Escalation or Arbitrary Code Execution via malicious wheel file unpacking
Privilege Escalation or Arbitrary Code Execution via malicious wheel file unpacking. Red Hat rates this important (CVSS 7.1). Weakness: CWE-22. Affected package(s): devspaces/udi-rhel9:1774451954, rhtas/segment-reporting-rhel9:1770108732, ansible-automation-platform, rhoai/odh-training-rocm62-torch24-py311-rhel9:1772093338, quay/quay-rhel9:1770836901, rhoai/odh-training-cuda124-torch25-py311-rhel9:1772093260. Resolved in Red Hat advisory RHSA-2026:2139 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Discovery 2 for RHEL 10; Discovery 2 for RHEL 8; Discovery 2 for RHEL 9; Red Hat Ansible Automation Platform 2.5 for RHEL 8; and 37 more.
High [CVE-2026-24006] Denial of Service due to excessive recursion during object serialization
Denial of Service due to excessive recursion during object serialization. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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-2026-24001] denial of service vulnerability in parsePatch and applyPatch
denial of service vulnerability in parsePatch and applyPatch. Red Hat rates this important (CVSS 7.5). Weakness: CWE-400. 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 Satellite 6.
High [CVE-2026-23957] Denial of Service via large encoded array lengths
Denial of Service via large encoded array lengths. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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-2026-23956] Denial of Service via malicious regular expressions during deserialization
Denial of Service via malicious regular expressions during deserialization. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. 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.
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