Resource management error in Linux kernel ufs core driver

1) Resource management error

EUVDB-ID: #VU97832

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-46843

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the ufshcd_remove(), ufshcd_init() and blk_mq_free_tag_set() functions 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: All versions

CPE2.3

External links

http://git.kernel.org/stable/c/2f49e05d6b58d660f035a75ff96b77071b4bd5ed
http://git.kernel.org/stable/c/3844586e9bd9845140e1078f1e61896b576ac536
http://git.kernel.org/stable/c/7cbff570dbe8907e23bba06f6414899a0fbb2fcc

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.