Use After Free in Linux Kernel
CVE-2017-7487
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.
Vulnerability class: Use-After-Free
EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 8.0, 9.0
- N/a Linux Kernel Through 4.11.1 — versions Linux kernel through 4.11.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7487?
- CVE-2017-7487 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2017-05-14.
- How severe is CVE-2017-7487?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-7487 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.