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Vulnerability record · CVE-2022-27239 · published 27 April 2022

CVE-2022-27239: Samba cifs-utils out-of-bounds write vulnerability

Samba · Cifs Utils

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.

7.8 CVSS 3.1 High EPSS 0.58% · top 54.7% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 7.2
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
19Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

19 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://wiki.robotz.com/index.php/Linux_CIFS_Utils_and_Samba Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=15025 Issue TrackingPermissions RequiredVendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1197216 Issue TrackingPatchThird Party Advisory
https://github.com/piastry/cifs-utils/pull/7 Issue TrackingPatchThird Party Advisory
https://github.com/piastry/cifs-utils/pull/7/commits/955fb147e97a6a74e1aaa65766de91e2c1479765 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5WBOLMANBYJILXQKRRK7OCR
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HXKZLJYJJEC3TIBFLXUORRM
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QIYZ4L6SLSYJQ446VJAO2VG
https://security.gentoo.org/glsa/202311-05
https://www.debian.org/security/2022/dsa-5157 Third Party Advisory
http://wiki.robotz.com/index.php/Linux_CIFS_Utils_and_Samba Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=15025 Issue TrackingPermissions RequiredVendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1197216 Issue TrackingPatchThird Party Advisory
https://github.com/piastry/cifs-utils/pull/7 Issue TrackingPatchThird Party Advisory
https://github.com/piastry/cifs-utils/pull/7/commits/955fb147e97a6a74e1aaa65766de91e2c1479765 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5WBOLMANBYJILXQKRRK7OCR
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HXKZLJYJJEC3TIBFLXUORRM
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QIYZ4L6SLSYJQ446VJAO2VG
https://security.gentoo.org/glsa/202311-05
https://www.debian.org/security/2022/dsa-5157 Third Party Advisory

Track CVE-2022-27239 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2022-27239), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.