SB2019082036 - Multiple vulnerabilities in Linux kernel
Published: August 20, 2019 Updated: July 17, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2019-15219)
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.
2) NULL pointer dereference (CVE-ID: CVE-2019-15223)
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 sound/usb/line6/driver.c driver. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
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
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b074ab7fc0d575247b9cc9f93bb7e007ca38840
- https://syzkaller.appspot.com/bug?id=0c1e517c657d3de2361cb0cc2d3a8663c25039a7
- https://usn.ubuntu.com/4147-1/