Memory leak in Linux kernel xfrm



Published: 2024-06-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52746
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU91620

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 - Missing release of memory after effective lifetime

Exploit availability: No

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: All versions

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.



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