CVE record
CVE-2023-0266
Linux Kernel Use-After-Free Vulnerability
Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
high
CVSS 7.0 · CVSS_V3
Affected packages
0
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Linux
- Product
- Kernel
- Date added
- Mar 30, 2023
- CISA federal remediation due date
- Apr 20, 2023
- Required action
- Apply updates per vendor instructions.
- Known ransomware campaign use
- Unknown
- CWE
- CWE-416
OSV package mapping
Affected open-source packages
OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.