NULL pointer dereference in Linux kernel - CVE-2019-19965
Published: December 25, 2019 / Updated: March 31, 2022
Vulnerability identifier: #VU90670
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-19965
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sas_get_port_device() function in drivers/scsi/libsas/sas_discover.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2019-19965
Install update from vendor's website.
Sources
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f70267f379b5e5e11bdc5d72a56bf17e5feed01f
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://security.netapp.com/advisory/ntap-20200204-0002/
- https://usn.ubuntu.com/4285-1/
- https://usn.ubuntu.com/4287-1/
- https://usn.ubuntu.com/4286-2/
- https://usn.ubuntu.com/4287-2/
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://usn.ubuntu.com/4284-1/
- https://usn.ubuntu.com/4286-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html