vulnerability
Red Hat: CVE-2021-3600: CVE-2021-3600 kernel: eBPF 32-bit source register truncation on div/mod (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Nov 9, 2021 | Nov 10, 2021 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Nov 9, 2021
Added
Nov 10, 2021
Modified
Mar 27, 2026
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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