Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local…
Priority LOW 34CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786.
Why it matters now
EPSS 0.01674 76th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.18.54 to before 3.18.92; 4.0 to before 4.4.65; 4.5 to before 4.9.7 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.18.54 to before 3.18.92; 4.0 to before 4.4.65; 4.5 to before 4.9.7 Vulnerable ·Linux
Remediation
Red Hat 4 advisories
- RHSA-2018:1854 Released 2018-06-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-bootwrapper-2.6.32-754.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.el6
- RHSA-2017:2669 Released 2017-09-06 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-debug-1:3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-debug-devel-1:3.10.0-693.2.1.rt56.585.el6rt +7
- RHSA-2017:1842 Released 2017-08-01 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-693.el7, kernel-abi-whitelists-3.10.0-693.el7, kernel-debug-3.10.0-693.el7 +7
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-693.el7, kernel-abi-whitelists-3.10.0-693.el7, kernel-debug-3.10.0-693.el7 +7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-693.el7, kernel-abi-whitelists-3.10.0-693.el7, kernel-bootwrapper-3.10.0-693.el7 +10
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-693.el7, kernel-doc-3.10.0-693.el7, kernel-tools-libs-devel-3.10.0-693.el7
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-693.el7, kernel-abi-whitelists-3.10.0-693.el7, kernel-debug-3.10.0-693.el7 +7
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.el7
Show 1 more Red Hat advisories
- RHSA-2017:2077 Released 2017-08-01 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-693.rt56.617.el7, kernel-rt-debug-3.10.0-693.rt56.617.el7, kernel-rt-debug-devel-3.10.0-693.rt56.617.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-693.rt56.617.el7, kernel-rt-debug-3.10.0-693.rt56.617.el7, kernel-rt-debug-devel-3.10.0-693.rt56.617.el7 +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:1842 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2017:2077 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2017:2077 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2017:2669 |
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux Client (v. 7)
- Red Hat Enterprise Linux ComputeNode (v. 7)
- Red Hat Enterprise Linux Server (v. 7)
- Red Hat Enterprise Linux Workstation (v. 7)
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6001
- 2026-10-03 Alias added: GHSA-w3wx-x8m4-p4qj
References
Patch 4
- https://bugzilla.redhat.com/show_bug.cgi?id=1422825
- https://github.com/torvalds/linux/commit/321027c1fe77f892f4ea07846aeae08cefbbb290
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=321027c1fe77f892f4ea07846aeae08cefbbb290
- [oss-security] 20170216 Linux: CVE-2017-6001: Incomplete fix for CVE-2016-6786: perf/core: Fix concurrent sys_perf_event_open() vs. 'move_group' race
More Linux Kernel vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2017-6001 · CVE Program
- CVE-2017-6001 · NVD
- FIRST EPSS
- GHSA-w3wx-x8m4-p4qj · GitHub Advisory Database · CC BY 4.0
- CVE-2017-6001 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences