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CVE-2015-3291

Date: August 31, 2015

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.

Severity Score

Related Resources (17)

http://www.ubuntu.com/usn/USN-2688-1
http://www.ubuntu.com/usn/USN-2689-1
https://bugzilla.redhat.com/show_bug.cgi?id=1243489
http://www.debian.org/security/2015/dsa-3313
http://www.securityfocus.com/bid/76003
https://access.redhat.com/security/cve/CVE-2015-3291
https://security-tracker.debian.org/tracker/CVE-2015-3291
http://www.ubuntu.com/usn/USN-2690-1
http://www.openwall.com/lists/oss-security/2015/07/22/7
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=810bc075f78ff2c221536eb3008eac6a492dba2d
http://www.ubuntu.com/usn/USN-2691-1
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6
https://nvd.nist.gov/vuln/detail/CVE-2015-3291
http://www.ubuntu.com/usn/USN-2687-1
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-3291
https://github.com/torvalds/linux/commit/810bc075f78ff2c221536eb3008eac6a492dba2d
https://www.mend.io/vulnerability-database/CVE-2015-3291

Severity Score

Weakness Type (CWE)

Code

CWE-17

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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