Linux Kernel vulnerabilities: known CVEs & security history
Linux · Operating System · 2000 tracked CVEs · 28 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Linux Kernel release lines — 2000 in total, with 28 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.
Known Linux Kernel CVEs
Actively-exploited and most-severe first. Showing the top 80 of 2000. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2015-5123⚡ exploited | critical | 9.8 | 18% | 2015 |
| CVE-2015-5122⚡ exploited | critical | 9.8 | 94% | 2015 |
| CVE-2015-5119⚡ exploited | critical | 9.8 | 99% | 2015 |
| CVE-2015-3113⚡ exploited | critical | 9.8 | 100% | 2015 |
| CVE-2015-3043⚡ exploited | critical | 9.8 | 80% | 2015 |
| CVE-2015-0313⚡ exploited | critical | 9.8 | 96% | 2015 |
| CVE-2015-0311⚡ exploited | critical | 9.8 | 86% | 2015 |
| CVE-2014-0497⚡ exploited | critical | 9.8 | 100% | 2014 |
| CVE-2014-8439⚡ exploited | high | 8.8 | 20% | 2014 |
| CVE-2014-0502⚡ exploited | high | 8.8 | 24% | 2014 |
| CVE-2013-6282⚡ exploited | high | 8.8 | 40% | 2013 |
| CVE-2013-0648⚡ exploited | high | 8.8 | 11% | 2013 |
| CVE-2013-0643⚡ exploited | high | 8.8 | 11% | 2013 |
| CVE-2011-0611⚡ exploited | high | 8.8 | 99% | 2011 |
| CVE-2013-2094⚡ exploited | high | 8.4 | 48% | 2013 |
| CVE-2012-0754⚡ exploited | high | 8.1 | 92% | 2012 |
| CVE-2015-0310⚡ exploited | high | 7.8 | 15% | 2015 |
| CVE-2014-9163⚡ exploited | high | 7.8 | 20% | 2014 |
| CVE-2014-3153⚡ exploited | high | 7.8 | 37% | 2014 |
| CVE-2013-2596⚡ exploited | high | 7.8 | 3% | 2013 |
| CVE-2013-0641⚡ exploited | high | 7.8 | 32% | 2013 |
| CVE-2013-0640⚡ exploited | high | 7.8 | 87% | 2013 |
| CVE-2012-1535⚡ exploited | high | 7.8 | 70% | 2012 |
| CVE-2011-0609⚡ exploited | high | 7.8 | 67% | 2011 |
| CVE-2010-3904⚡ exploited | high | 7.8 | 11% | 2010 |
| CVE-2012-2034⚡ exploited | high | 7.5 | 8% | 2012 |
| CVE-2012-0767⚡ exploited | medium | 6.1 | 7% | 2012 |
| CVE-2014-0196⚡ exploited | medium | 5.5 | 22% | 2014 |
| CVE-2011-1180 | critical | 9.8 | 3% | 2013 |
| CVE-2010-4202 | critical | 9.8 | 1% | 2010 |
| CVE-2010-4041 | critical | 9.8 | 2% | 2010 |
| CVE-2010-4039 | critical | 9.8 | 1% | 2010 |
| CVE-2010-3416 | critical | 9.8 | 1% | 2010 |
| CVE-2011-3188 | critical | 9.1 | 6% | 2012 |
| CVE-2015-5546 | high | 10 | 38% | 2015 |
| CVE-2015-5545 | high | 10 | 38% | 2015 |
| CVE-2015-5544 | high | 10 | 38% | 2015 |
| CVE-2015-5541 | high | 10 | 10% | 2015 |
| CVE-2015-5540 | high | 10 | 44% | 2015 |
| CVE-2015-5539 | high | 10 | 44% | 2015 |
| CVE-2015-5134 | high | 10 | 49% | 2015 |
| CVE-2015-5133 | high | 10 | 51% | 2015 |
| CVE-2015-5132 | high | 10 | 51% | 2015 |
| CVE-2015-5131 | high | 10 | 51% | 2015 |
| CVE-2015-5130 | high | 10 | 49% | 2015 |
| CVE-2015-5129 | high | 10 | 10% | 2015 |
| CVE-2015-5127 | high | 10 | 49% | 2015 |
| CVE-2015-5125 | high | 10 | 6% | 2015 |
| CVE-2015-5124 | high | 10 | 7% | 2015 |
| CVE-2015-5118 | high | 10 | 27% | 2015 |
| CVE-2015-5117 | high | 10 | 7% | 2015 |
| CVE-2015-4433 | high | 10 | 7% | 2015 |
| CVE-2015-4432 | high | 10 | 34% | 2015 |
| CVE-2015-4431 | high | 10 | 5% | 2015 |
| CVE-2015-4430 | high | 10 | 33% | 2015 |
| CVE-2015-4429 | high | 10 | 5% | 2015 |
| CVE-2015-4428 | high | 10 | 7% | 2015 |
| CVE-2015-3137 | high | 10 | 33% | 2015 |
| CVE-2015-3136 | high | 10 | 7% | 2015 |
| CVE-2015-3135 | high | 10 | 8% | 2015 |
| CVE-2015-3134 | high | 10 | 26% | 2015 |
| CVE-2015-3133 | high | 10 | 5% | 2015 |
| CVE-2015-3132 | high | 10 | 7% | 2015 |
| CVE-2015-3131 | high | 10 | 7% | 2015 |
| CVE-2015-3130 | high | 10 | 5% | 2015 |
| CVE-2015-3129 | high | 10 | 7% | 2015 |
| CVE-2015-3128 | high | 10 | 39% | 2015 |
| CVE-2015-3127 | high | 10 | 7% | 2015 |
| CVE-2015-3124 | high | 10 | 33% | 2015 |
| CVE-2015-3123 | high | 10 | 5% | 2015 |
| CVE-2015-3122 | high | 10 | 7% | 2015 |
| CVE-2015-3121 | high | 10 | 7% | 2015 |
| CVE-2015-3120 | high | 10 | 7% | 2015 |
| CVE-2015-3119 | high | 10 | 7% | 2015 |
| CVE-2015-3118 | high | 10 | 40% | 2015 |
| CVE-2015-3117 | high | 10 | 5% | 2015 |
| CVE-2015-3107 | high | 10 | 32% | 2015 |
| CVE-2015-3106 | high | 10 | 43% | 2015 |
| CVE-2015-3105 | high | 10 | 96% | 2015 |
| CVE-2015-3104 | high | 10 | 6% | 2015 |
1920 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 2000 CVEs for Linux Kernel, 28 of which are actively exploited (CISA KEV). 14 are critical-severity and 825 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 — 28 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-2015-5123 (CRITICAL, CVSS 9.8), which is actively exploited, ranks highest — a Use-after-free weakness.
Is Linux Kernel safe to use?
It depends on the version. The latest supported Linux Kernel release (7.1) 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.