#VU99227 Input validation error in Linux kernel - CVE-2024-47730

Vulnerability identifier: #VU99227

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-2024-47730

CWE-ID: CWE-20

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 input validation within the qm_set_vf_mse(), qm_controller_reset_prepare(), qm_master_ooo_check() and qm_soft_reset_prepare() functions in drivers/crypto/hisilicon/qm.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/98d3be34c9153eceadb56de50d9f9347e88d86e4
https://git.kernel.org/stable/c/aa3e0db35a60002fb34ef0e4ad203aa59fd00203
https://git.kernel.org/stable/c/f8024f12752e32ffbbf59e1c09d949f977ff743f
https://git.kernel.org/stable/c/c5f5b813e546f7fe133539c3d7a5086cc8dd2aa1
https://git.kernel.org/stable/c/b04f06fc0243600665b3b50253869533b7938468

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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.