Linux vulnerabilities
- Linux has 18,075 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #1 of 420 vendors on this site by that count.
- Of the 8,037 with a CVSS score, 6,751 (84%) are rated critical or high; 10,038 (55.5% of all) have no CVSS score.
- 31 vulnerabilities attributed to Linux are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2025-39682, was added on 18 Sep 2026.
- 2 of them (6.5%) are marked as known to be used in ransomware campaigns.
- For the 31 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 551 days.
Records are attributed to Linux from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 11 |
| 2020 | 2 |
| 2021 | 11 |
| 2022 | 71 |
| 2023 | 50 |
| 2024 | 4,309 |
| 2025 | 5,675 |
| 2026 | 8,085 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 8,085 | 547 | 2,648 | 100% | 60.5% |
| 2025 | 5,675 | 159 | 1,745 | 70% | 52.1% |
| 2024 | 4,309 | 154 | 1,492 | 77.8% | 50.9% |
| 2023 | 50 | 1 | 41 | 84% | 0% |
| 2022 | 71 | 1 | 12 | 22.4% | 18.3% |
| 2021 | 11 | 0 | 7 | 100% | 36.4% |
| 2020 | 2 | 0 | 0 | 0% | 0% |
| 2019 | 11 | 0 | 4 | 50% | 27.3% |
| 2018 | 10 | 0 | 4 | 50% | 20% |
| 2017 | 1 | 0 | 1 | 100% | 0% |
| Before 2017 | 7 | ||||
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2025-39682 | Kernel | Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability | 2026-09-18 | Unknown |
| CVE-2025-39964 | Kernel | Linux Kernel Race Condition Vulnerability | 2026-09-18 | Unknown |
| CVE-2026-53266 | Kernel | Linux Kernel Out-of-Bounds Write Vulnerability | 2026-09-18 | Unknown |
| CVE-2026-53362 | Kernel | Linux Kernel Unspecified Vulnerability | 2026-08-27 | Unknown |
| CVE-2022-0995 | Kernel | Linux Kernel Out-of-Bounds Write Vulnerability | 2026-08-26 | Unknown |
| CVE-2022-0492 | Kernel | Linux Kernel Improper Authentication Vulnerability | 2026-06-02 | Unknown |
| CVE-2026-31431 | Kernel | Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability | 2026-05-01 | Unknown |
| CVE-2018-14634 | Kernel | Linux Kernel Integer Overflow Vulnerability | 2026-01-26 | Unknown |
| CVE-2021-22555 | Kernel | Linux Kernel Heap Out-of-Bounds Write Vulnerability | 2025-10-06 | Unknown |
| CVE-2025-38352 | Kernel | Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability | 2025-09-04 | Unknown |
| CVE-2023-0386 | Kernel | Linux Kernel Improper Ownership Management Vulnerability | 2025-06-17 | Unknown |
| CVE-2024-53150 | Kernel | Linux Kernel Out-of-Bounds Read Vulnerability | 2025-04-09 | Unknown |
| CVE-2024-53197 | Kernel | Linux Kernel Out-of-Bounds Access Vulnerability | 2025-04-09 | Unknown |
| CVE-2024-50302 | Kernel | Linux Kernel Use of Uninitialized Resource Vulnerability | 2025-03-04 | Unknown |
| CVE-2024-53104 | Kernel | Linux Kernel Out-of-Bounds Write Vulnerability | 2025-02-05 | Unknown |
| CVE-2017-1000253 | Kernel | Linux Kernel PIE Stack Buffer Corruption Vulnerability | 2024-09-09 | Known |
| CVE-2022-0185 | Kernel | Linux Kernel Heap-Based Buffer Overflow Vulnerability | 2024-08-21 | Unknown |
| CVE-2022-2586 | Kernel | Linux Kernel Use-After-Free Vulnerability | 2024-06-26 | Unknown |
| CVE-2024-1086 | Kernel | Linux Kernel Use-After-Free Vulnerability | 2024-05-30 | Known |
| CVE-2010-3904 | Kernel | Linux Kernel Improper Input Validation Vulnerability | 2023-05-12 | Unknown |
| CVE-2014-0196 | Kernel | Linux Kernel Race Condition Vulnerability | 2023-05-12 | Unknown |
| CVE-2023-0266 | Kernel | Linux Kernel Use-After-Free Vulnerability | 2023-03-30 | Unknown |
| CVE-2021-3493 | Kernel | Linux Kernel Privilege Escalation Vulnerability | 2022-10-20 | Unknown |
| CVE-2013-2094 | Kernel | Linux Kernel Privilege Escalation Vulnerability | 2022-09-15 | Unknown |
| CVE-2013-2596 | Kernel | Linux Kernel Integer Overflow Vulnerability | 2022-09-15 | Unknown |
| CVE-2013-6282 | Kernel | Linux Kernel Improper Input Validation Vulnerability | 2022-09-15 | Unknown |
| CVE-2014-3153 | Kernel | Linux Kernel Privilege Escalation Vulnerability | 2022-05-25 | Unknown |
| CVE-2022-0847 | Kernel | Linux Kernel Privilege Escalation Vulnerability | 2022-04-25 | Unknown |
| CVE-2021-22600 | Kernel | Linux Kernel Privilege Escalation Vulnerability | 2022-04-11 | Unknown |
| CVE-2016-5195 | Kernel | Linux Kernel Race Condition Vulnerability | 2022-03-03 | Unknown |
| CVE-2019-13272 | Kernel | Linux Kernel Improper Privilege Management Vulnerability | 2021-12-10 | Unknown |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Linux records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2019-11477 | 98.7% | 99.9% | High | No |
| CVE-2026-31431 | 98.1% | 99.9% | High | Yes |
| CVE-2019-11478 | 94.7% | 99.9% | Medium | No |
| CVE-2026-43284 | 94.2% | 99.8% | High | No |
| CVE-2026-43500 | 94.1% | 99.8% | High | No |
| CVE-2022-0847 | 92.8% | 99.8% | High | Yes |
| CVE-2019-11479 | 91.7% | 99.8% | Medium | No |
| CVE-2016-5195 | 83.5% | 99.7% | High | Yes |
| CVE-2021-22555 | 78.7% | 99.6% | High | Yes |
| CVE-2018-5390 | 71.8% | 99.4% | Not scored | No |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Related vendors
Vendors named on the same CVE records as Linux.