#VU97810 Improper locking in Linux kernel - CVE-2024-46868

Vulnerability identifier: #VU97810

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-2024-46868

CWE-ID: CWE-667

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 locking within the qcuefi_set_reference() function in drivers/firmware/qcom/qcom_qseecom_uefisecapp.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.10, 6.10.1, 6.10.2, 6.10.3, 6.10.4, 6.10.5, 6.10.6, 6.10.7, 6.10.8, 6.10.9, 6.10.10

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External links
https://git.kernel.org/stable/c/8c6a5a1fc02ad1d62d06897ab330693d4d27cd03
https://git.kernel.org/stable/c/db213b0cfe3268d8b1d382b3bcc999c687a2567f
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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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.