#VU104639 NULL pointer dereference in Linux kernel - CVE-2022-49165

Vulnerability identifier: #VU104639

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-2022-49165

CWE-ID: CWE-476

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 NULL pointer dereference within the mxc_jpeg_device_run() function in drivers/media/platform/imx-jpeg/mxc-jpeg.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

---

External links
https://git.kernel.org/stable/c/417591a766b3c040c346044541ff949c0b2bb7b2
https://git.kernel.org/stable/c/4eb591c47c82a6a6ad293ed108c3cb77115fbc25
https://git.kernel.org/stable/c/8d075ede7d24f19dc817c5bd517a53f0524f9031
https://git.kernel.org/stable/c/eff76b180751e5e55c872d17755680c3b83ba9ab

---

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.