#VU99139 Resource management error in Linux kernel - CVE-2022-48953

Vulnerability identifier: #VU99139

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-2022-48953

CWE-ID: CWE-399

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 resource management error within the cmos_check_acpi_rtc_status(), cmos_pnp_probe(), cmos_of_init() and cmos_platform_probe() functions in drivers/rtc/rtc-cmos.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

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External links
https://git.kernel.org/stable/c/0bcfccb48696aba475f046c2021f0733659ce0ef
https://git.kernel.org/stable/c/60c6e563a843032cf6ff84b2fb732cd8754fc10d
https://git.kernel.org/stable/c/1ba745fce13d19775100eece30b0bfb8b8b10ea6
https://git.kernel.org/stable/c/4919d3eb2ec0ee364f7e3cf2d99646c1b224fae8

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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.