CVE-2014-7826
kernel: insufficient syscall number validation in perf and ftrace subsystems
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 7, 2014
Updated · November 21, 2025
Description
An out-of-bounds memory access flaw, CVE-2014-7825, was found in the syscall tracing functionality of the Linux kernel's perf subsystem. A local, unprivileged user could use this flaw to crash the system. Additionally, an out-of-bounds memory access flaw, CVE-2014-7826, was found in the syscall tracing functionality of the Linux kernel's ftrace subsystem. On a system with ftrace syscall tracing enabled, a local, unprivileged user could use this flaw to crash the system, or escalate their privileges.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4AV:L/AC:H/Au:N/C:N/I:N/A:C
CWE not specified