#VU92331 Out-of-bounds read in Linux kernel - CVE-2024-38540

Vulnerability identifier: #VU92331

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-2024-38540

CWE-ID: CWE-125

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 out-of-bounds read error within the bnxt_qplib_create_qp() function in drivers/infiniband/hw/bnxt_re/qplib_fp.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/a658f011d89dd20cf2c7cb4760ffd79201700b98
https://git.kernel.org/stable/c/627493443f3a8458cb55cdae1da254a7001123bc
https://git.kernel.org/stable/c/8b799c00cea6fcfe5b501bbaeb228c8821acb753
https://git.kernel.org/stable/c/78cfd17142ef70599d6409cbd709d94b3da58659

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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.