Out-of-bounds Read in Linux Linux_kernel
CVE-2021-3600
It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel — versions 5.11
- The Linux Kernel Organization — versions 0
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Fedoraproject Fedora — versions 34
- Redhat Enterprise_linux — versions 8.0
Weakness classification (CWE)
References
- security@ubuntu.com (issue-tracking, Product)
- security@ubuntu.com (Third Party Advisory, third-party-advisory)
- security@ubuntu.com (issue-tracking, Patch, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3600?
- CVE-2021-3600 is a high-severity vulnerability in Linux Linux_kernel, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2024-01-08.
- How severe is CVE-2021-3600?
- High severity. CVSS v3 base score is 7.8 out of 10.