Memory leak in Linux kernel ceph

1) Memory leak

EUVDB-ID: #VU104366

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49107

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 fs/ceph/dir.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/2fe82d3254029ef9ec4e7be890125d5ef4f537de
https://git.kernel.org/stable/c/7f740ede35132d3d5d19747cad56a511d21bb156
https://git.kernel.org/stable/c/e792575b902a3939ca482491ee9fb3a236f99640
https://git.kernel.org/stable/c/f4429786129648a8f4bb1e5faa143c4478cc5c4a
https://git.kernel.org/stable/c/f639d9867eea647005dc824e0e24f39ffc50d4e4

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.