#VU70876 Improper Resource Shutdown or Release in Linux kernel - CVE-2022-3544

Vulnerability identifier: #VU70876

Vulnerability 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-2022-3544

CWE-ID: CWE-404

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 resource management within the damon_sysfs_add_target() function in mm/damon/sysfs.c in Linux kernel Netfilter. A local user can cause the kernel to crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next.git/commit/?id=1c8e2349f2d033f634d046063b704b2ca6c46972
https://vuldb.com/?id.211044

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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.