Vulnerability Description
The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.2.89 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8dPatch
- http://www.debian.org/security/2017/dsa-3886Third Party Advisory
- http://www.securityfocus.com/bid/98439Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039237Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1447734Issue TrackingPatch
- https://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d8Issue TrackingPatchVendor Advisory
- https://patchwork.ozlabs.org/patch/757549/Patch
- https://source.android.com/security/bulletin/2017-09-01Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8dPatch
- http://www.debian.org/security/2017/dsa-3886Third Party Advisory
- http://www.securityfocus.com/bid/98439Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039237Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1447734Issue TrackingPatch
- https://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d8Issue TrackingPatchVendor Advisory
- https://patchwork.ozlabs.org/patch/757549/Patch
FAQ
What is CVE-2017-7487?
CVE-2017-7487 is a vulnerability with a CVSS score of 7.8 (HIGH). The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have un...
How severe is CVE-2017-7487?
CVE-2017-7487 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7487?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.