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CVE-2022-27239

Published: 27 April 2022

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
cifs-utils
Launchpad, Ubuntu, Debian
bionic
Released (2:6.8-1ubuntu1.2)
focal
Released (2:6.9-1ubuntu0.2)
impish
Released (2:6.11-3.1ubuntu0.1)
jammy
Released (2:6.14-1ubuntu0.1)
kinetic Not vulnerable
(2:6.14-1.1)
lunar Not vulnerable
(2:6.14-1.1)
upstream
Released (2:6.14-1.1)
Patches:
upstream: https://git.samba.org/cifs-utils.git/?p=cifs-utils.git;a=patch;h=007c07fd91b6d42f8bd45187cf78ebb06801139d

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H