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CVE-2017-7487

Date: May 14, 2017

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.

Language: C

Severity Score

Related Resources (12)

http://www.securityfocus.com/bid/98439
http://www.debian.org/security/2017/dsa-3886
http://www.securitytracker.com/id/1039237
https://security-tracker.debian.org/tracker/CVE-2017-7487
https://nvd.nist.gov/vuln/detail/CVE-2017-7487
https://source.android.com/security/bulletin/2017-09-01
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0d80
https://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80
https://patchwork.ozlabs.org/patch/757549/
https://bugzilla.redhat.com/show_bug.cgi?id=1447734
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7487
https://www.mend.io/vulnerability-database/CVE-2017-7487

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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