Vulnerability identifier: #VU91083

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-2023-52878

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 can_put_echo_skb() function in drivers/net/can/dev/skb.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/826120c9ba68f2d0dbae58e99013929c883d1444
http://git.kernel.org/stable/c/0d30931f1fa0fb893fb7d5dc32b6b7edfb775be4
http://git.kernel.org/stable/c/53c468008a7c9ca3f5fc985951f35ec2acae85bc
http://git.kernel.org/stable/c/8ab67da060157362b2e0926692c659808784708f
http://git.kernel.org/stable/c/6411959c10fe917288cbb1038886999148560057

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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.