Vulnerability identifier: #VU91620

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-2023-52746

CWE-ID: CWE-401

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 memory leak within the xfrm_xlate32_attr() function in net/xfrm/xfrm_compat.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

---

External links
http://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0
http://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5
http://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d
http://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff

---

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.