Improper error handling in Linux kernel btrfs

1) Improper error handling

EUVDB-ID: #VU108818

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-2025-37827

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

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 btrfs_load_block_group_zone_info() function in fs/btrfs/zoned.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.14 - 6.14.4

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.14:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.14.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.14.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.14.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.14.4:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/9a447f748f6c7287dad68fa91913cd382fa0fcc8
https://git.kernel.org/stable/c/b0c26f47992672661340dd6ea931240213016609
https://git.kernel.org/stable/c/f4717a02cc422cf4bb2dbb280b154a1ae65c5f84
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.5

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.