#VU24432 Memory leak in Linux kernel - CVE-2019-19061

Vulnerability identifier: #VU24432

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-2019-19061

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 perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the "adis_update_scan_mode_burst()" function in drivers/iio/imu/adis_buffer.c in the Linux kernel before 5.3.9 allows a local user to cause a denial of service (memory consumption).

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.3 - 5.3.8

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External links
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
https://github.com/torvalds/linux/commit/9c0530e898f384c5d279bfcebd8bb17af1105873
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4208-1/

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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.