Improper locking in Linux kernel s390 kernel



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-43832
CWE-ID CWE-667
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) Improper locking

EUVDB-ID: #VU96149

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-2024-43832

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the make_folio_secure() and folio_wait_writeback() functions in arch/s390/kernel/uv.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.10.2

CPE2.3 External links

https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7
https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb
https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16
https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44


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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