#VU22566 Memory leak in Linux kernel - CVE-2019-18786

Vulnerability identifier: #VU22566

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-18786

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 gain access to sensitive information.

The vulnerability exists due memory leak within the rcar_drif_g_fmt_sdr_cap() function in drivers/media/platform/rcar_drif.c in Linux kernel. A local user can disclose uninitialized memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.3.1 - 5.3.8

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External links
https://patchwork.linuxtv.org/patch/59542/

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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.