#VU28221 NULL pointer dereference in Linux kernel - CVE-2020-11609
Published: May 25, 2020
Vulnerability identifier: #VU28221
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/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-2020-11609
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the stv06xx subsystem in the "drivers/media/usb/gspca/stv06xx/stv06xx.c" and "drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c" files. A remote authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=485b06aadb933190f4bc44e006076bc27a23f205
- https://github.com/torvalds/linux/commit/485b06aadb933190f4bc44e006076bc27a23f205
- https://security.netapp.com/advisory/ntap-20200430-0004/
- https://usn.ubuntu.com/4345-1/
- https://usn.ubuntu.com/4364-1/
- https://usn.ubuntu.com/4368-1/