CVE-2021-3600

high

Description

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.

References

https://ubuntu.com/security/notices/USN-5003-1

https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600

Details

Source: Mitre, NVD

Published: 2024-01-08

Updated: 2024-01-11

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High