#VU93683 Input validation error in Linux kernel - CVE-2023-52658

Vulnerability identifier: #VU93683

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-2023-52658

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 esw_inline_mode_to_devlink() and mlx5_devlink_eswitch_mode_set() functions in drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6, 6.6 rc1, 6.6 rc2, 6.6 rc3, 6.6 rc4, 6.6 rc5, 6.6 rc6, 6.6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 6.6.12, 6.6.13, 6.6.14, 6.6.15, 6.6.16, 6.6.17, 6.6.18, 6.6.19, 6.6.20, 6.6.21, 6.7, 6.7 rc1, 6.7 rc2, 6.7 rc3, 6.7 rc5, 6.7 rc6, 6.7 rc7, 6.7.1, 6.7.2, 6.7.3, 6.7.4, 6.7.5, 6.7.6, 6.7.7, 6.7.8, 6.7.9, 6.8 rc1, 6.8 rc2, 6.8 rc5

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External links
https://git.kernel.org/stable/c/3fba8eab2cfc7334e0f132d29dfd2552f2f2a579
https://git.kernel.org/stable/c/1bcdd66d33edb446903132456c948f0b764ef2f9
https://git.kernel.org/stable/c/8deeefb24786ea7950b37bde4516b286c877db00
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.22
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8

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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.