CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-3600
High (7.8). EPSS 0.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-125, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- fedoraproject:fedora
- linux:linux_kernel
- redhat:enterprise_linux
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600
- https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90
- https://ubuntu.com/security/notices/USN-5003-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600
- https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90