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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Linux kernel through 4.11.1
Linux kernel through 4.11.1affected
References
- http://www.securitytracker.com/id/1039237 ↗
- https://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80 ↗
- https://source.android.com/security/bulletin/2017-09-01 ↗
- https://patchwork.ozlabs.org/patch/757549/ ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0d80 ↗
- http://www.securityfocus.com/bid/98439 ↗
- http://www.debian.org/security/2017/dsa-3886 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1447734 ↗