#VU91171 Off-by-one in Linux kernel - CVE-2024-36957

Vulnerability identifier: #VU91171

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-2024-36957

CWE-ID: CWE-193

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 an off-by-one error within the rvu_dbg_qsize_write() function in drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.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/bcdac70adceb44373da204c3c297f2a98e13216e
https://git.kernel.org/stable/c/ec697fbd38cbe2eef0948b58673b146caa95402f
https://git.kernel.org/stable/c/8f11fe3ea3fc261640cfc8a5addd838000407c67
https://git.kernel.org/stable/c/0a0285cee11c7dcc2657bcd456e469958a5009e7
https://git.kernel.org/stable/c/fc3e0076c1f82fe981d321e3a7bad4cbee542c19
https://git.kernel.org/stable/c/f299ee709fb45036454ca11e90cb2810fe771878

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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.