#VU99052 Double free in Linux kernel - CVE-2022-48995

Vulnerability identifier: #VU99052

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-2022-48995

CWE-ID: CWE-415

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 a double free error within the raydium_i2c_send() function in drivers/input/touchscreen/raydium_i2c_ts.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/a82869ac52f3d9db4b2cf8fd41edc2dee7a75a61
https://git.kernel.org/stable/c/53b9b1201e34ccc895971218559123625c56fbcd
https://git.kernel.org/stable/c/097c1c7a28e3da8f2811ba532be6e81faab15aab
https://git.kernel.org/stable/c/8c9a59939deb4bfafdc451100c03d1e848b4169b

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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.