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CVE-2023-0266: Linux Kernel

EPSS3.7%No. 1476 of 1739 in KEV
CVE year2023listed the same year
Same vendor in KEV31
Same product31
FieldValue
VendorLinux
ProductKernel
NameLinux Kernel Use-After-Free Vulnerability
Added to KEV2023-03-30
US federal due date2023-04-20
Ransomware useUnknown
CWECWE-416

CISA description

Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user.

Other entries for this product

CVEVendor / productAddedEPSSRansomware
CVE-2026-53266Linux Kernel2026-09-180.8%Unknown
CVE-2025-39964Linux Kernel2026-09-181.2%Unknown
CVE-2025-39682Linux Kernel2026-09-182.8%Unknown
CVE-2026-53362Linux Kernel2026-08-270.7%Unknown
CVE-2022-0995Linux Kernel2026-08-268.7%Unknown
CVE-2022-0492Linux Kernel2026-06-025.5%Unknown
CVE-2026-31431Linux Kernel2026-05-013.4%Unknown
CVE-2018-14634Linux Kernel2026-01-2614.6%Unknown
CVE-2021-22555Linux Kernel2025-10-0678.6%Unknown
CVE-2025-38352Linux Kernel2025-09-041.2%Unknown
CVE-2023-0386Linux Kernel2025-06-177.8%Unknown
CVE-2024-53197Linux Kernel2025-04-094.1%Unknown
CVE-2024-53150Linux Kernel2025-04-091.3%Unknown
CVE-2024-50302Linux Kernel2025-03-040.8%Unknown
CVE-2024-53104Linux Kernel2025-02-053.3%Unknown

NVD — CVE-2023-0266

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Linux Kernel vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2023-03-30.