Skip to main content

Util Linux CVE-2021-37600

MEDIUM
Integer Overflow or Wraparound (CWE-190)
2021-07-30 cve@mitre.org
5.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Jul 30, 2021 - 14:15 nvd
MEDIUM 5.5

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. 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. Affected products include: Kernel Util-Linux, Netapp Ontap Select Deploy Administration Utility. Version information: through 2.37.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

CVE-2015-5224 CRITICAL
9.8 Aug 23

The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name coll

CVE-2024-28085 LOW POC
3.3 Mar 27

wall in util-linux through 2.40, often installed with setgid tty permissions, allows escape sequences to be sent to othe

CVE-2014-9114 HIGH
7.8 Mar 31

Blkid in util-linux before 2.26rc-1 allows local users to execute arbitrary code. Rated high severity (CVSS 7.8), this v

CVE-2016-2779 HIGH
7.8 Feb 07

runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes

CVE-2018-7738 HIGH
7.8 Mar 07

In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands

CVE-2015-5218 LOW POC
2.1 Nov 09

Buffer overflow in text-utils/colcrt.c in colcrt in util-linux before 2.27 allows local users to cause a denial of servi

CVE-2022-0563 MEDIUM
5.5 Feb 21

A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. Rated medium severity (C

CVE-2026-27456 MEDIUM
4.7 Apr 03

Unauthorized read access to root-owned files via TOCTOU race condition in util-linux mount binary (versions prior to 2.4

CVE-2016-5011 MEDIUM
4.6 Apr 11

The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate at

CVE-2013-0157 LOW
2.1 Jan 21

(a) mount and (b) umount in util-linux 2.14.1, 2.17.2, and probably other versions allow local users to determine the ex

Share

CVE-2021-37600 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy