CVE-2017-7487
HighThe 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 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2017-7487 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-7487 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Debian Securityhttp://www.debian.org/security/2017/dsa-3886Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/98439Third Party Advisory VDB Entry
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Securitytrackerhttp://www.securitytracker.com/id/1039237Third Party Advisory VDB Entry
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Third Party Advisory
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0d80
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=1447734
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80
Frequently asked questions
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What is CVE-2017-7487?
CVE-2017-7487 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2017-7487 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2017-7487?
CVE-2017-7487 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2017-7487?
No patch is currently available for CVE-2017-7487. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-7487 actively exploited?
No — CVE-2017-7487 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Use After Free (CWE-416)?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →