NULL pointer dereference in Linux kernel - CVE-2019-15219
Published: August 20, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30811
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15219
CWE-ID: CWE-476
Exploitation vector: Remote access
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 a NULL pointer dreference error in drivers/usb/misc/sisusbvga/sisusb.c driver. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Linux kernel
RSA Authentication Manager
RSA Authentication Manager
How to mitigate CVE-2019-15219
Update to version 5.1.8.
Linux kernel - update to 5.1.8
RSA Authentication Manager - update to 8.4 Patch 9
RSA Authentication Manager - update to 8.4 Patch 9
External References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- http://www.openwall.com/lists/oss-security/2019/08/20/2
- http://www.openwall.com/lists/oss-security/2019/08/22/2
- http://www.openwall.com/lists/oss-security/2019/08/22/3
- http://www.openwall.com/lists/oss-security/2019/08/22/4
- http://www.openwall.com/lists/oss-security/2019/08/22/5
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a5729f68d3a82786aea110b1bfe610be318f80a
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://syzkaller.appspot.com/bug?id=aaf6794922521df1c35c81e32cb2d0bb6a351e7b