#VU69123 Memory leak in Linux kernel - CVE-2022-27950

Vulnerability identifier: #VU69123

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-2022-27950

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 DoS attack on the target system.

The vulnerability exists due memory leak within the drivers/hid/hid-elo.c in the Linux kernel. A local user can perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.16.1 - 5.16.10

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External links
https://www.openwall.com/lists/oss-security/2022/03/13/1
https://github.com/torvalds/linux/commit/817b8b9c5396d2b2d92311b46719aad5d3339dbe
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=817b8b9c5396d2b2d92311b46719aad5d3339dbe

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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.