#VU108817 Improper error handling in Linux kernel - CVE-2025-37826

Vulnerability identifier: #VU108817

Vulnerability 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-2025-37826

CWE-ID: CWE-388

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to improper error handling within the ufshcd_mcq_compl_pending_transfer() function in drivers/ufs/core/ufshcd.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12, 6.12.13, 6.12.14, 6.12.15, 6.12.16, 6.12.17, 6.12.18, 6.12.19, 6.12.20, 6.12.21, 6.12.22, 6.12.23, 6.12.24, 6.12.25

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External links
https://git.kernel.org/stable/c/08a966a917fe3d92150fa3cc15793ad5e57051eb
https://git.kernel.org/stable/c/700128d67d57bb1de4251e563ab85202def36c50
https://git.kernel.org/stable/c/eeab6618037be84e438e9d6ed5d9a53502faf81f
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.26

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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.