Use-after-free vulnerability in the disk_seqf_stop function in block/genhd.c in the Linux…
Priority LOW 39CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
Use-after-free vulnerability in the disk_seqf_stop function in block/genhd.c in the Linux kernel before 4.7.1 allows local users to gain privileges by leveraging the execution of a certain stop operation even if the corresponding start operation had failed.
Why it matters now
EPSS 0.02966 87th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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:*:*:*:*:*:*:*:* | before 3.2.84; 3.3 to before 3.10.103; 3.11 to before 3.12.63; 3.13 to before 3.14.76; 3.15 to before 3.16.39; 3.17 to before 3.18.40; 3.19 to before 4.1.31; 4.2 to before 4.4.18; 4.5 to before 4.6.7; 4.7 to before 4.7.1 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.2.84; 3.3 to before 3.10.103; 3.11 to before 3.12.63; 3.13 to before 3.14.76; 3.15 to before 3.16.39; 3.17 to before 3.18.40; 3.19 to before 4.1.31; 4.2 to before 4.4.18; 4.5 to before 4.6.7; 4.7 to before 4.7.1 Vulnerable ·Linux
Remediation
Red Hat 4 advisories
- RHSA-2017:1308 Released 2017-05-25 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.21.1.el7, kernel-abi-whitelists-3.10.0-514.21.1.el7, kernel-debug-3.10.0-514.21.1.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.21.1.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.21.1.el7, kernel-abi-whitelists-3.10.0-514.21.1.el7, kernel-debug-3.10.0-514.21.1.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.21.1.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.21.1.el7, kernel-abi-whitelists-3.10.0-514.21.1.el7, kernel-bootwrapper-3.10.0-514.21.1.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.21.1.el7, kernel-tools-libs-devel-3.10.0-514.21.1.el7
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.21.1.el7, kernel-abi-whitelists-3.10.0-514.21.1.el7, kernel-debug-3.10.0-514.21.1.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.21.1.el7
- RHSA-2017:1298 Released 2017-05-25 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.21.1.rt56.438.el7, kernel-rt-debug-3.10.0-514.21.1.rt56.438.el7, kernel-rt-debug-devel-3.10.0-514.21.1.rt56.438.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.21.1.rt56.438.el7, kernel-rt-debug-3.10.0-514.21.1.rt56.438.el7, kernel-rt-debug-devel-3.10.0-514.21.1.rt56.438.el7 +7
- RHSA-2017:1297 Released 2017-05-25 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-514.rt56.221.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.221.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.221.el6rt +7
Show 1 more Red Hat advisories
- RHSA-2017:0892 Released 2017-04-11 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-696.1.1.el6, kernel-abi-whitelists-2.6.32-696.1.1.el6, kernel-debug-2.6.32-696.1.1.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-696.1.1.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-696.1.1.el6, kernel-abi-whitelists-2.6.32-696.1.1.el6, kernel-debug-2.6.32-696.1.1.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-696.1.1.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-696.1.1.el6, kernel-abi-whitelists-2.6.32-696.1.1.el6, kernel-bootwrapper-2.6.32-696.1.1.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-696.1.1.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-696.1.1.el6, kernel-abi-whitelists-2.6.32-696.1.1.el6, kernel-debug-2.6.32-696.1.1.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-696.1.1.el6
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-2017:1308 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Realtime (v. 7) | Fixed | RHSA-2017:1298 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2017:0892 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:1308 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2017:1298 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2017:1297 |
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7910
- 2026-10-03 Alias added: GHSA-5hj2-4mjx-w4vv
References
Exploit 2
Advisory 5
More Linux Kernel vulnerabilities
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- 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-2016-7910 · CVE Program
- CVE-2016-7910 · NVD
- FIRST EPSS
- GHSA-5hj2-4mjx-w4vv · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7910 · 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