#VU97832 Resource management error in Linux kernel - CVE-2024-46843

Vulnerability identifier: #VU97832

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-2024-46843

CWE-ID: CWE-399

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 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

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External links
https://git.kernel.org/stable/c/2f49e05d6b58d660f035a75ff96b77071b4bd5ed
https://git.kernel.org/stable/c/3844586e9bd9845140e1078f1e61896b576ac536
https://git.kernel.org/stable/c/7cbff570dbe8907e23bba06f6414899a0fbb2fcc

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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.