CVE-2022-27239 — Out-of-bounds Write in Samba Cifs-utils

CWE-787 — Out-of-bounds Write11 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 78.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
19
Samba Cifs-utilsDebian LinuxFedoraproject Fedora+16 more
Timeline
PublishedApr 27
Latest updateAug 7

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages17 packages

▶NVDsamba/cifs-utils< 6.15
▶Debiansamba/cifs-utils< 2:6.11-3.1+deb11u1+3
▶NVDsuse/openstack_cloud8.0, 9.0+1

Also affects: Debian Linux 10.0, 11.0, 9.0, Fedora 34, 35, 36, Linux Enterprise Micro 5.2

Patches

Patch: bugzilla.suse.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

5
OSV
cifs-utils vulnerabilities↗2025-08-07
▶
OSV
cifs-utils vulnerabilities↗2022-06-02
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GHSA
GHSA-mhc8-vv44-hh59: In cifs-utils through 6↗2022-04-28
▶
OSV
CVE-2022-27239: In cifs-utils through 6↗2022-04-27
▶
CVEList
CVE-2022-27239: In cifs-utils through 6↗2022-04-27
▶

📋Vendor Advisories

5
Ubuntu
cifs-utils vulnerabilities↗2025-08-07
▶
Ubuntu
cifs-utils vulnerabilities↗2022-06-02
▶
Red Hat
cifs-utils: stack-based buffer overflow mount.cifs may lead to local privilege escalation to root↗2022-04-27
▶
Microsoft
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.↗2022-04-12
▶
Debian
CVE-2022-27239: cifs-utils - In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount...↗2022
▶