arch/x86/kernel/entry_32.S in the Linux kernel through 3.15.1 on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allows local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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[oss-security] 20140620 Re: CVE request: Another Linux syscall auditing bug
[linux-kernel] 20140616 Re: 3.15: kernel BUG at kernel/auditsc.c:1525!
[oss-security] 20140619 CVE request: Another Linux syscall auditing bug