#VU99180 Out-of-bounds write in Linux kernel - CVE-2022-49032

Vulnerability identifier: #VU99180

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49032

CWE-ID: CWE-787

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 execute arbitrary code.

The vulnerability exists due to an out-of-bounds write within the afe4404_read_raw() and afe4404_write_raw() functions in drivers/iio/health/afe4404.c. A local user can execute arbitrary code.

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/68de7da092f38395dde523f2e5db26eba6c23e28
https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba
https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e
https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b
https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4
https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f
https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1
https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b

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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.