kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the perf su…

published 2014-11-10 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-7691

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the perf subsystem, which allows local users to cause a denial of service (out-of-bounds read and OOPS) or bypass the ASLR protection mechanism via a crafted application.

Patch / fix

fixed in 1 distros 3 links 3

linux linux_kernel 3.2.65, 3.4.106, 3.10.60, 3.12.33, 3.14.24, 3.16.35, 3.17.3

debian ubuntu red hat

linux Debian 14, Debian 13, Debian 12 3.16.7-ckt2-1

debian advisories DEBIAN-CVE-2014-7825

linux Ubuntu 14.04 LTS 3.13.0-41.70
linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-26.35~14.04.1

ubuntu advisories UBUNTU-CVE-2014-7825

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

kernel RHEL 6 2.6.32-504.16.2.el6
perf RHEL 6 2.6.32-504.16.2.el6
python-perf RHEL 6 2.6.32-504.16.2.el6
kernel-kdump RHEL 6 2.6.32-504.16.2.el6
kernel-firmware RHEL 6 2.6.32-504.16.2.el6
kernel-bootwrapper RHEL 6 2.6.32-504.16.2.el6
kernel-abi-whitelists RHEL 6 2.6.32-504.16.2.el6
kernel-debuginfo-common-i686 RHEL 6 2.6.32-504.16.2.el6

red hat advisories RHSA-2015:0864 RHSA-2015:0290 RHSA-2014:1943

github.com/torvalds/linux@086ba77 commit
openwall.com/lists/oss-security/2014/11/06/11 advisory
bugzilla.redhat.com/show_bug.cgi?id=1161565 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-7825 updated 2026-11-07 cvss 4.0

kernel: insufficient syscall number validation in perf and ftrace subsystems

Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7 Red Hat Enterprise Linux Client Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
fixed: vendor fix RHSA-2015:0290
Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-kdump 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-bootwrapper 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, +4 more
fixed: vendor fix RHSA-2015:0864
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-kdump 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-bootwrapper 3.10.0-229.el7, +4 more
fixed: vendor fix RHSA-2015:0290
Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-ppc64 2.6.32-504.16.2.el6, kernel-debuginfo-common-s390x 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
fixed: vendor fix RHSA-2015:0864
Red Hat Enterprise Linux Server Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-ppc64 3.10.0-229.el7, kernel-debuginfo-common-s390x 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
fixed: vendor fix RHSA-2015:0290
Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-504.16.2.el6, kernel 2.6.32-504.16.2.el6, kernel-firmware 2.6.32-504.16.2.el6, kernel-abi-whitelists 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
fixed: vendor fix RHSA-2015:0864
Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-229.el7, kernel 3.10.0-229.el7, kernel-tools 3.10.0-229.el7, kernel-tools-libs 3.10.0-229.el7, kernel-abi-whitelists 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
fixed: vendor fix RHSA-2015:0290
Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-504.16.2.el6, kernel-debuginfo-common-i686 2.6.32-504.16.2.el6, kernel-debuginfo-common-x86_64 2.6.32-504.16.2.el6
fixed: vendor fix RHSA-2015:0864

show 3 more

Red Hat Enterprise Linux Workstation Optional (v. 7) python-perf 3.10.0-229.el7, kernel-debuginfo-common-x86_64 3.10.0-229.el7
fixed: vendor fix RHSA-2015:0290
Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.58-rt62.58.el6rt, kernel-rt-trace 3.10.58-rt62.58.el6rt, kernel-rt-vanilla 3.10.58-rt62.58.el6rt, kernel-rt-firmware 3.10.58-rt62.58.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.58-rt62.58.el6rt
fixed: vendor fix RHSA-2014:1943
Red Hat Enterprise Linux 5 kernel
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-125 Out-of-bounds Read

Technology feeds

Linux kernel rss critical rss

References

github.com /torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9
exploit, patch, third-party-advisory
openwall.com /lists/oss-security/2014/11/06/11
mailing-list, patch, third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=1161565
issue-tracking, patch, third-party-advisory
rhn.redhat.com /errata/RHSA-2015-0864.html
vendor-advisory, third-party-advisory
rhn.redhat.com /errata/RHSA-2015-0290.html
vendor-advisory, third-party-advisory
rhn.redhat.com /errata/RHSA-2014-1943.html
vendor-advisory, third-party-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/98557
vdb-entry, third-party-advisory
git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
securityfocus.com /bid/70972
vdb-entry, third-party-advisory

Sources

CVE List CVE-2014-7825
NVD CVE-2014-7825

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary