Vulnerability identifier: #VU91541

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-2023-52587

CWE-ID: CWE-667

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 locking within the ipoib_mcast_join() function in drivers/infiniband/ulp/ipoib/ipoib_multicast.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/4c8922ae8eb8dcc1e4b7d1059d97a8334288d825
http://git.kernel.org/stable/c/615e3adc2042b7be4ad122a043fc9135e6342c90
http://git.kernel.org/stable/c/ac2630fd3c90ffec34a0bfc4d413668538b0e8f2
http://git.kernel.org/stable/c/ed790bd0903ed3352ebf7f650d910f49b7319b34
http://git.kernel.org/stable/c/5108a2dc2db5630fb6cd58b8be80a0c134bc310a
http://git.kernel.org/stable/c/342258fb46d66c1b4c7e2c3717ac01e10c03cf18
http://git.kernel.org/stable/c/7c7bd4d561e9dc6f5b7df9e184974915f6701a89
http://git.kernel.org/stable/c/4f973e211b3b1c6d36f7c6a19239d258856749f9

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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.