CVE-2019-17351
First published: Tue Oct 08 2019(Updated: )
An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 | |
| Xen xen-unstable | <=4.12.1 | |
| Linux Kernel | <5.2.3 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2019/10/25/9
- http://xenbits.xen.org/xsa/advisory-300.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
- https://github.com/torvalds/linux/commit/6ef36ab967c71690ebe7e5ef997a8be4da3bc844
- https://security.netapp.com/advisory/ntap-20191031-0005/
- https://usn.ubuntu.com/4286-1/
- https://usn.ubuntu.com/4286-2/
- https://xenbits.xen.org/xsa/advisory-300.html
- https://launchpad.net/bugs/cve/CVE-2019-17351
- https://security-tracker.debian.org/tracker/CVE-2019-17351
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17351
- https://nvd.nist.gov/vuln/detail/CVE-2019-17351
- https://ubuntu.com/security/CVE-2019-17351
Frequently Asked Questions
What is the severity of CVE-2019-17351?
CVE-2019-17351 is classified as a medium severity vulnerability due to its potential for denial of service.
How do I fix CVE-2019-17351?
To fix CVE-2019-17351, update the Linux kernel to version 5.2.3 or later, or Xen versions up to 4.12.1.
What systems are affected by CVE-2019-17351?
CVE-2019-17351 affects Linux kernel versions before 5.2.3 and Xen versions up to 4.12.x.
What type of vulnerability is CVE-2019-17351?
CVE-2019-17351 is a resource consumption vulnerability that can lead to a denial of service.
Who can exploit CVE-2019-17351?
CVE-2019-17351 can be exploited by guest OS users to consume excessive resources.
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