CVE-2019-15219

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the drivers/usb/misc/sisusbvga/sisusb.c driver.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Potential Mitigations

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