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CVE-2021-37600

Published: 30 July 2021

** DISPUTED ** An integer overflow in util-linux through 2.37.1 can potentially cause a buffer overflow if an attacker were able to use system resources in a way that leads to a large number in the /proc/sysvipc/sem file. NOTE: this is unexploitable in GNU C Library environments, and possibly in all realistic environments.

Notes

AuthorNote
mdeslaur
this CVE was disputed, marking as not-affected

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
util-linux
Launchpad, Ubuntu, Debian
impish Not vulnerable
(2.36.1-8ubuntu2)
upstream
Released (2.36.1-8)
bionic Not vulnerable

focal Not vulnerable

hirsute Ignored
(end of life)
trusty Not vulnerable

xenial Not vulnerable

jammy
Released (2.37.2-4ubuntu2)
Patches:
upstream: https://github.com/karelzak/util-linux/commit/1c9143d0c1f979c3daf10e1c37b5b1e916c22a1c

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H