CVE-2016-2546
Mediumsound/core/timer.c in the Linux kernel before 4.4.1 uses an incorrect type of mutex, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.
CVSS 3.0 score
5.1
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-362CVE-2016-2546 is a Race Condition vulnerability
What is Race Condition?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2016-2546 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/2016/dsa-3503
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Securityfocushttp://www.securityfocus.com/bid/83384
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Securitytrackerhttp://www.securitytracker.com/id/1035301
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2929-1
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2929-2
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2930-1
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2930-2
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2930-3
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2931-1
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2932-1
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2967-1
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2967-2
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af368027a49a751d6ff4ee9e3f9961f35bb4fede
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PatchKernel patch commithttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
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PatchKernel patch commithttp://www.openwall.com/lists/oss-security/2016/01/19/1
Frequently asked questions
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What is CVE-2016-2546?
CVE-2016-2546 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.1 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2016-2546 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-2016-2546?
CVE-2016-2546 has a CVSS score of 5.1 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2016-2546?
No patch is currently available for CVE-2016-2546. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2016-2546 actively exploited?
No — CVE-2016-2546 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 Race Condition (CWE-362)?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →