Cyberfeed6Updated November 6, 2026.

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Linux vulnerabilities exploited in attacks

CISA lists 32 Linux vulnerabilities as exploited in real attacks, and 2 of them are known to be used in ransomware campaigns. Most entries concern Kernel.

Linux flaws exploited in attacks, newest first

Showing the 32 most recently added of 32. Check the vendor notice before you act: it names the fixed versions.

VulnerabilityProductAdded to listSeverityRansomwareFix
CVE-2026-46300Linux Kernel Missing Initialization of a Variable VulnerabilityKernel2026-10-28High (7.8)NoVendor notice
CVE-2026-53266Linux Kernel Out-of-Bounds Write VulnerabilityKernel2026-09-18High (8.8)NoVendor notice
CVE-2025-39964Linux Kernel Race Condition VulnerabilityKernel2026-09-18High (7.8)NoVendor notice
CVE-2025-39682Linux Kernel Improper Check for Unusual or Exceptional Conditions VulnerabilityKernel2026-09-18Critical (9.8)NoVendor notice
CVE-2026-53362Linux Kernel Unspecified VulnerabilityKernel2026-08-27High (7.8)NoVendor notice
CVE-2022-0995Linux Kernel Out-of-Bounds Write VulnerabilityKernel2026-08-26High (7.8)NoVendor notice
CVE-2022-0492Linux Kernel Improper Authentication VulnerabilityKernel2026-06-02High (7.8)NoVendor notice
CVE-2026-31431Linux Kernel Incorrect Resource Transfer Between Spheres VulnerabilityKernel2026-05-01High (7.8)NoVendor notice
CVE-2018-14634Linux Kernel Integer Overflow VulnerabilityKernel2026-01-26High (7.8)NoVendor notice
CVE-2021-22555Linux Kernel Heap Out-of-Bounds Write VulnerabilityKernel2025-10-06High (8.3)NoVendor notice
CVE-2025-38352Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition VulnerabilityKernel2025-09-04High (7.8)NoVendor notice
CVE-2023-0386Linux Kernel Improper Ownership Management VulnerabilityKernel2025-06-17High (7.8)NoVendor notice
CVE-2024-53197Linux Kernel Out-of-Bounds Access VulnerabilityKernel2025-04-09High (7.8)NoVendor notice
CVE-2024-53150Linux Kernel Out-of-Bounds Read VulnerabilityKernel2025-04-09High (7.1)NoVendor notice
CVE-2024-50302Linux Kernel Use of Uninitialized Resource VulnerabilityKernel2025-03-04Medium (5.5)NoVendor notice
CVE-2024-53104Linux Kernel Out-of-Bounds Write VulnerabilityKernel2025-02-05High (7.8)NoVendor notice
CVE-2017-1000253Linux Kernel PIE Stack Buffer Corruption VulnerabilityKernel2024-09-09High (7.8)YesVendor notice
CVE-2022-0185Linux Kernel Heap-Based Buffer Overflow VulnerabilityKernel2024-08-21High (8.4)NoVendor notice
CVE-2022-2586Linux Kernel Use-After-Free VulnerabilityKernel2024-06-26Medium (5.3)NoVendor notice
CVE-2024-1086Linux Kernel Use-After-Free VulnerabilityKernel2024-05-30High (7.8)YesVendor notice
CVE-2014-0196Linux Kernel Race Condition VulnerabilityKernel2023-05-12Medium (5.5)NoVendor notice
CVE-2010-3904Linux Kernel Improper Input Validation VulnerabilityKernel2023-05-12High (7.8)NoVendor notice
CVE-2023-0266Linux Kernel Use-After-Free VulnerabilityKernel2023-03-30High (7.9)NoVendor notice
CVE-2021-3493Linux Kernel Privilege Escalation VulnerabilityKernel2022-10-20High (8.8)NoVendor notice
CVE-2013-6282Linux Kernel Improper Input Validation VulnerabilityKernel2022-09-15High (8.8)NoVendor notice
CVE-2013-2596Linux Kernel Integer Overflow VulnerabilityKernel2022-09-15High (7.8)NoVendor notice
CVE-2013-2094Linux Kernel Privilege Escalation VulnerabilityKernel2022-09-15High (8.4)NoVendor notice
CVE-2014-3153Linux Kernel Privilege Escalation VulnerabilityKernel2022-05-25High (7.8)No
CVE-2022-0847Linux Kernel Privilege Escalation VulnerabilityKernel2022-04-25High (7.8)No
CVE-2021-22600Linux Kernel Privilege Escalation VulnerabilityKernel2022-04-11Medium (6.6)No
CVE-2016-5195Linux Kernel Race Condition VulnerabilityKernel2022-03-03High (7.0)No
CVE-2019-13272Linux Kernel Improper Privilege Management VulnerabilityKernel2021-12-10High (7.8)No

Incidents on this site that involve Linux

Source: CISA Known Exploited Vulnerabilities catalog, released 2026-11-04. Severity scores are CVSS where available. "Ransomware" means CISA has marked the flaw as known to be used in ransomware campaigns.

All vendors. Check the products you run. Latest incidents.