#VU108334 Improper error handling in Linux kernel - CVE-2025-37774

Vulnerability identifier: #VU108334

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-2025-37774

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 handle_failed_objexts_alloc(), need_slab_obj_ext() and allocate_slab() functions in mm/slub.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, 6.14, 6.14.1, 6.14.2, 6.14.3

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External links
https://git.kernel.org/stable/c/28bef6622a1a874fe63aceeb0c684fab75afb3ae
https://git.kernel.org/stable/c/8baa747193591410a853bac9c3710142dfa4937b
https://git.kernel.org/stable/c/d2f5819b6ed357c0c350c0616b6b9f38be59adf6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.25
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.4

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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.