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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.97% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- security@android.com
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.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.1Release Notes
- 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.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.1Release Notes
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.