CVE-2017-18193
Mediumfs/f2fs/extent_cache.c in the Linux kernel before 4.13 mishandles extent trees, which allows local users to cause a denial of service (BUG) via an application with multiple threads.
CVSS 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-119CVE-2017-18193 is a Buffer Overflow vulnerability
What is Buffer Overflow?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-18193 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/103147Third Party Advisory VDB Entry
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Ubuntu Securityhttps://usn.ubuntu.com/3654-1/
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Ubuntu Securityhttps://usn.ubuntu.com/3654-2/
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Ubuntu Securityhttps://usn.ubuntu.com/3656-1/
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Debian Securityhttps://www.debian.org/security/2018/dsa-4188
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0
Frequently asked questions
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What is CVE-2017-18193?
CVE-2017-18193 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2017-18193 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-2017-18193?
CVE-2017-18193 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2017-18193?
No patch is currently available for CVE-2017-18193. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-18193 actively exploited?
No — CVE-2017-18193 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 Buffer Overflow (CWE-119)?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →