Vulnerability identifier: #VU93304

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52834

CWE-ID: CWE-119

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 escalate privileges on the system.

The vulnerability exists due to memory corruption within the atl1c_set_mac_addr(), atl1c_init_ring_ptrs(), atl1c_free_ring_resources(), atl1c_rx_checksum() and atl1c_alloc_rx_buffer() functions in drivers/net/ethernet/atheros/atl1c/atl1c_main.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/c29a89b23f67ee592f4dee61f9d7efbf86d60315
http://git.kernel.org/stable/c/57e44ff9c2c9747b2b1a53556810b0e5192655d6
http://git.kernel.org/stable/c/54a6152da4993ec8e4b53dc3cf577f5a2c829afa
http://git.kernel.org/stable/c/32f08b7b430ee01ec47d730f961a3306c1c7b6fb
http://git.kernel.org/stable/c/86565682e9053e5deb128193ea9e88531bbae9cf

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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.