CVE-2021-3600

Published: 08/01/2024 Updated: 11/01/2024

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 0

It exists 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
linux linux kernel 5.11
linux linux kernel
canonical ubuntu linux 14.04
canonical ubuntu linux 16.04
canonical ubuntu linux 18.04
fedoraproject fedora 34
redhat enterprise linux 8.0

It was discovered that eBPF 32-bit div/mod source register truncation could lead to out-of-bounds reads and writes in the kernel It was introduced by commit 68fda450a7df ("bpf: fix 32-bit divide by zero") It was first introduced in 415-rc9, but backported and applied to v414y, v49y and v44y However, this specific attack will not work on ...

CWE-125 CWE-787 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 https://ubuntu.com/security/notices/USN-5003-1 https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 https://nvd.nist.gov http://seclists.org/oss-sec/2021/q2/228

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CVE-2021-3600

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