Incorrect calculation in Linux kernel um drivers



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-46844
CWE-ID CWE-682
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect calculation

EUVDB-ID: #VU97833

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46844

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation within the setup_one_line() function in arch/um/drivers/line.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 6.10.9

CPE2.3 External links

https://git.kernel.org/stable/c/3bedb7ce080690d0d6172db790790c1219bcbdd5
https://git.kernel.org/stable/c/96301fdc2d533a196197c055af875fe33d47ef84
https://git.kernel.org/stable/c/c8944d449fda9f58c03bd99649b2df09948fc874
https://git.kernel.org/stable/c/43f782c27907f306c664b6614fd6f264ac32cce6
https://git.kernel.org/stable/c/289979d64573f43df1d0e6bc6435de63a0d69cdf
https://git.kernel.org/stable/c/ec5b47a370177d79ae7773858042c107e21f8ecc
https://git.kernel.org/stable/c/fc843d3837ebcb1c16d3768ef3eb55e25d5331f2
https://git.kernel.org/stable/c/824ac4a5edd3f7494ab1996826c4f47f8ef0f63d
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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