CVE-2017-10661
HighRace condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.
CVSS 3.1 score
7.0
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2017-10661 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-2017-10661 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-3981Mailing List Third Party Advisory
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Release Notes Vendor Advisory
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Securityfocushttp://www.securityfocus.com/bid/100215Third Party Advisory VDB Entry
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Issue Tracking
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Exploit-DBhttps://www.exploit-db.com/exploits/43345/Third Party Advisory VDB Entry
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6
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PatchKernel patch commithttps://source.android.com/security/bulletin/2017-08-01
Frequently asked questions
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What is CVE-2017-10661?
CVE-2017-10661 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2017-10661 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-2017-10661?
CVE-2017-10661 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2017-10661?
No patch is currently available for CVE-2017-10661. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-10661 actively exploited?
No — CVE-2017-10661 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 →