arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64...
Vulnerability Description
arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service (skipped NMI) by modifying the rsp register, issuing a syscall instruction, and triggering an NMI.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1243489
- http://www.securityfocus.com/bid/76003
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=810bc075f78ff2c221536eb3008eac6a492dba2d
- https://github.com/torvalds/linux/commit/810bc075f78ff2c221536eb3008eac6a492dba2d
- http://www.ubuntu.com/usn/USN-2689-1
- http://www.ubuntu.com/usn/USN-2690-1
- http://www.ubuntu.com/usn/USN-2691-1
- http://www.ubuntu.com/usn/USN-2688-1
- http://www.debian.org/security/2015/dsa-3313
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6
- http://www.openwall.com/lists/oss-security/2015/07/22/7
- http://www.ubuntu.com/usn/USN-2687-1
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.