CVE-2016-7910
HIGHCVSS 7.8/10EPSS 2.97%
Last modified
CVE-2016-7910 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 2.97% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.2.84 |
| Linux | Linux Kernel | >= 3.3, < 3.10.103 |
| Linux | Linux Kernel | >= 3.11, < 3.12.63 |
| Linux | Linux Kernel | >= 3.13, < 3.14.76 |
| Linux | Linux Kernel | >= 3.15, < 3.16.39 |
| Linux | Linux Kernel | >= 3.17, < 3.18.40 |
| Linux | Linux Kernel | >= 3.19, < 4.1.31 |
| Linux | Linux Kernel | >= 4.2, < 4.4.18 |
| Linux | Linux Kernel | >= 4.5, < 4.6.7 |
| Linux | Linux Kernel | >= 4.7, < 4.7.1 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77da160530dd1dc94f6ae15a981f24e5f0021e84Exploit, Patch, Vendor Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94135Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0892Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1297Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1298Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1308Third Party Advisory
- https://github.com/torvalds/linux/commit/77da160530dd1dc94f6ae15a981f24e5f0021e84Exploit, Patch, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77da160530dd1dc94f6ae15a981f24e5f0021e84Exploit, Patch, Vendor Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94135Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0892Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1297Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1298Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1308Third Party Advisory
- https://github.com/torvalds/linux/commit/77da160530dd1dc94f6ae15a981f24e5f0021e84Exploit, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-7910?
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.
How severe is CVE-2016-7910?
CVE-2016-7910 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.97% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7910?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2016-7910?
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Scan your code nowSource: NVD / NIST