Memory leak in Linux kernel - CVE-2019-19078
Published: November 27, 2019 / Updated: December 5, 2019
Vulnerability identifier: #VU23035
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19078
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the "ath10k_usb_hif_tx_sg()" function in "drivers/net/wireless/ath/ath10k/usb.c" file. A remote attacker can cause a denial of service condition (memory consumption) by triggering "usb_submit_urb()" failures.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2019-19078
Install update from vendor's website.
Linux kernel - update to 5.3.12
kernel - addressed in versions 5.3.13-200.fc30, 5.3.13-300.fc31
kernel - addressed in versions 5.3.13-200.fc30, 5.3.13-300.fc31