Memory leak in Linux kernel

1) Memory leak

EUVDB-ID: #VU96285

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-43869

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 event_sched_out(), exclusive_event_installable(), perf_pending_task() and perf_event_alloc() functions in kernel/events/core.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

External links

http://git.kernel.org/stable/c/9ad46f1fef421d43cdab3a7d1744b2f43b54dae0
http://git.kernel.org/stable/c/ed2c202dac55423a52d7e2290f2888bf08b8ee99
http://git.kernel.org/stable/c/104e258a004037bc7dba9f6085c71dad6af57ad4
http://git.kernel.org/stable/c/f34d8307a73a18de5320fcc6f40403146d061891
http://git.kernel.org/stable/c/3a5465418f5fd970e86a86c7f4075be262682840

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.