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Linux Kernel vulnerabilities: known CVEs & security history

Linux · Operating System · 2799 tracked CVEs · 6 actively exploited · updated August 2026 · what is a CVE? →

This is the full list of known vulnerabilities (CVEs) across all Linux Kernel release lines — 2799 in total, with 6 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Linux Kernel's current status and the safe version to run.

2799
known CVEs
6
actively exploited (KEV)
214
critical severity
0
ransomware-linked

Known Linux Kernel CVEs

Actively-exploited and most-severe first. Showing the top 80 of 2799. Open any CVE for full details.

CVESeverityCVSSEPSSYear
CVE-2025-10585⚡ exploited critical 9.8 5% 2025
CVE-2026-11645⚡ exploited high 8.8 2% 2026
CVE-2026-5281⚡ exploited high 8.8 5% 2026
CVE-2025-13223⚡ exploited high 8.8 5% 2025
CVE-2026-31431⚡ exploited high 7.8 95% 2026
CVE-2025-38352⚡ exploited high 7.8 1% 2025
CVE-2026-63795 critical 10 0% 2026
CVE-2026-13782 critical 10 0% 2026
CVE-2026-48286 critical 10 1% 2026
CVE-2026-48303 critical 10 1% 2026
CVE-2025-38429 critical 10 0% 2025
CVE-2025-22021 critical 10 0% 2025
CVE-2025-21663 critical 10 0% 2025
CVE-2026-8859 critical 9.9 0% 2026
CVE-2026-8635 critical 9.9 0% 2026
CVE-2026-8481 critical 9.9 0% 2026
CVE-2026-8476 critical 9.9 0% 2026
CVE-2026-9135 critical 9.9 1% 2026
CVE-2026-63800 critical 9.8 1% 2026
CVE-2026-53399 critical 9.8 1% 2026
CVE-2026-53398 critical 9.8 1% 2026
CVE-2026-53384 critical 9.8 0% 2026
CVE-2026-13446 critical 9.8 0% 2026
CVE-2026-8505 critical 9.8 1% 2026
CVE-2026-9103 critical 9.8 0% 2026
CVE-2026-53363 critical 9.8 0% 2026
CVE-2026-13019 critical 9.8 0% 2026
CVE-2026-9182 critical 9.8 0% 2026
CVE-2026-9181 critical 9.8 1% 2026
CVE-2026-53355 critical 9.8 0% 2026
CVE-2026-14121 critical 9.8 0% 2026
CVE-2026-13776 critical 9.8 0% 2026
CVE-2026-13775 critical 9.8 0% 2026
CVE-2026-53309 critical 9.8 0% 2026
CVE-2026-53260 critical 9.8 0% 2026
CVE-2026-53247 critical 9.8 1% 2026
CVE-2026-53246 critical 9.8 0% 2026
CVE-2026-53228 critical 9.8 1% 2026
CVE-2026-53221 critical 9.8 1% 2026
CVE-2026-53216 critical 9.8 1% 2026
CVE-2026-53215 critical 9.8 1% 2026
CVE-2026-53176 critical 9.8 1% 2026
CVE-2026-53175 critical 9.8 0% 2026
CVE-2026-53151 critical 9.8 0% 2026
CVE-2026-53088 critical 9.8 0% 2026
CVE-2026-53086 critical 9.8 0% 2026
CVE-2026-53055 critical 9.8 0% 2026
CVE-2026-53049 critical 9.8 1% 2026
CVE-2026-53046 critical 9.8 1% 2026
CVE-2026-53045 critical 9.8 1% 2026
CVE-2026-53010 critical 9.8 0% 2026
CVE-2026-53006 critical 9.8 0% 2026
CVE-2026-53002 critical 9.8 0% 2026
CVE-2026-52993 critical 9.8 0% 2026
CVE-2026-52989 critical 9.8 0% 2026
CVE-2026-52986 critical 9.8 1% 2026
CVE-2026-52982 critical 9.8 1% 2026
CVE-2026-52955 critical 9.8 0% 2026
CVE-2026-52931 critical 9.8 0% 2026
CVE-2026-52924 critical 9.8 0% 2026
CVE-2026-52914 critical 9.8 1% 2026
CVE-2026-46325 critical 9.8 0% 2026
CVE-2026-46289 critical 9.8 0% 2026
CVE-2026-46195 critical 9.8 1% 2026
CVE-2026-46137 critical 9.8 1% 2026
CVE-2026-46135 critical 9.8 0% 2026
CVE-2026-46115 critical 9.8 0% 2026
CVE-2026-45972 critical 9.8 0% 2026
CVE-2026-45898 critical 9.8 0% 2026
CVE-2026-43501 critical 9.8 0% 2026
CVE-2026-24207 critical 9.8 2% 2026
CVE-2026-43493 critical 9.8 1% 2026
CVE-2026-43414 critical 9.8 0% 2026
CVE-2026-43341 critical 9.8 0% 2026
CVE-2026-43198 critical 9.8 0% 2026
CVE-2026-43125 critical 9.8 0% 2026
CVE-2026-43038 critical 9.8 0% 2026
CVE-2026-43037 critical 9.8 1% 2026
CVE-2026-43011 critical 9.8 1% 2026
CVE-2026-31669 critical 9.8 0% 2026

2719 older / lower-severity CVEs not shown — see Linux Kernel's full record.

Is my Linux Kernel version affected?

The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.

Check your Linux Kernel version → · Monitor Linux Kernel for new CVEs →

Linux Kernel vulnerabilities — frequently asked

How many known vulnerabilities does Linux Kernel have?

IsItPatched tracks 2799 CVEs for Linux Kernel, 6 of which are actively exploited (CISA KEV). 214 are critical-severity and 1647 high-severity. These span every release line — what matters is whether the version you run is affected.

Does Linux Kernel have any actively-exploited vulnerabilities?

Yes — 6 Linux Kernel CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild. Patch these as a priority.

What is the most severe Linux Kernel vulnerability?

Among tracked issues, CVE-2025-10585 (CRITICAL, CVSS 9.8), which is actively exploited, ranks highest — a CWE-843 weakness.

Is Linux Kernel safe to use?

It depends on the version. The latest supported Linux Kernel release (7.1.5) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.

CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Linux Kernel security status · Linux Kernel end-of-life · actively-exploited CVEs. Always verify against Linux's advisories — see our disclaimer.