CVE-2017-1000252: Input Validation
First published: Tue Sep 12 2017(Updated: )
A reachable assertion failure flaw was found in the Linux kernel built with KVM virtualisation(CONFIG_KVM) support with Virtual Function I/O feature (CONFIG_VFIO) enabled. This failure could occur if a malicious guest device sent a virtual interrupt (guest IRQ) with a larger (>1024) index value.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-862.rt56.804.el7 | 0:3.10.0-862.rt56.804.el7 |
| redhat/kernel | <0:3.10.0-862.el7 | 0:3.10.0-862.el7 |
| redhat/kernel | <0:3.10.0-693.25.2.el7 | 0:3.10.0-693.25.2.el7 |
| redhat/kernel | <3.10.0-720.el7 | 3.10.0-720.el7 |
| Linux Kernel | <=4.13.3 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.22-1 6.12.25-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2017-1000252 https://nvd.nist.gov/vuln/detail/CVE-2017-1000252
- https://bugzilla.redhat.com/show_bug.cgi?id=1490781
- https://access.redhat.com/errata/RHSA-2018:0676
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/errata/RHSA-2018:1130
- https://access.redhat.com/security/cve/cve-2017-1000252
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
- http://www.debian.org/security/2017/dsa-3981
- http://www.openwall.com/lists/oss-security/2017/09/15/4
- http://www.securityfocus.com/bid/101022
- https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563
- https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
- https://marc.info/?l=kvm&m=150549145711115&w=2
- https://marc.info/?l=kvm&m=150549146311117&w=2
- https://marc.info/?l=kvm&m=150549145711115&w=2
- https://marc.info/?l=kvm&m=150549146311117&w=2
- https://launchpad.net/bugs/cve/CVE-2017-1000252
- https://git.kernel.org/linus/efc644048ecde54f016011fe10110addd0de348f
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1492168
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000252
- https://nvd.nist.gov/vuln/detail/CVE-2017-1000252
- https://security-tracker.debian.org/tracker/CVE-2017-1000252
- https://ubuntu.com/security/CVE-2017-1000252
- https://git.kernel.org/linus/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2017-1000252?
CVE-2017-1000252 has a severity level of medium due to the potential for exploitation by a malicious guest device.
How do I fix CVE-2017-1000252?
To fix CVE-2017-1000252, upgrade your kernel to one of the patched versions specifically mentioned in the advisory.
What versions are affected by CVE-2017-1000252?
CVE-2017-1000252 affects Linux kernel versions prior to 4.13.3 that are built with KVM virtualization and VFIO enabled.
Can CVE-2017-1000252 lead to a denial of service?
Yes, CVE-2017-1000252 can result in a denial of service condition due to an assertion failure.
What configurations are susceptible to CVE-2017-1000252?
Configurations that have KVM virtualization and Virtual Function I/O (VFIO) feature enabled are susceptible to CVE-2017-1000252.
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