Memory leak in Linux kernel - CVE-2019-19069

 

Memory leak in Linux kernel - CVE-2019-19069

Published: January 21, 2020 / Updated: January 28, 2020


Vulnerability identifier: #VU24431
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2019-19069
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the "fastrpc_dma_buf_attach()" function in "drivers/misc/fastrpc.c" file in the Linux kernel before 5.3.9 allows a local user to cause a denial of service (memory consumption) by triggering "dma_get_sgtable()" failures.


Affected software

Linux kernel
Traffix SDC

How to mitigate CVE-2019-19069

Install update from vendor's website.

Linux kernel - update to 5.3.9

External References

Related Security Bulletins