Vulnerability identifier: #VU91401

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52626

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 mlx5e_ptp_handle_ts_cqe() function in drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/40e0d0746390c5b0c31144f4f1688d72f3f8d790
http://git.kernel.org/stable/c/33cdeae8c6fb58cc445f859b67c014dc9f60b4e0
http://git.kernel.org/stable/c/3876638b2c7ebb2c9d181de1191db0de8cac143a

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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.