SB2017020666 - Use-after-free in Linux kernel kvm
Published: February 6, 2017
Security Bulletin ID
SB2017020666
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2016-10150)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the kvm_ioctl_create_device() function in virt/kvm/kvm_main.c. A remote non-authenticated attacker can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://github.com/torvalds/linux/commit/a0f1d21c1ccb1da66629627a74059dd7f5ac9c61
- https://bugzilla.redhat.com/show_bug.cgi?id=1414506
- http://www.openwall.com/lists/oss-security/2017/01/18/10
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.13
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0f1d21c1ccb1da66629627a74059dd7f5ac9c61
- http://www.securityfocus.com/bid/95672