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CVE-2017-18193

Good to know:

Date: February 22, 2018

fs/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.

Language: C

Severity Score

5.5

Related Resources (11)

Url: https://security-tracker.debian.org/tracker/CVE-2017-18193

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0

Url: https://usn.ubuntu.com/3654-1/

Url: http://www.securityfocus.com/bid/103147

Url: https://usn.ubuntu.com/3654-2/

Url: https://usn.ubuntu.com/3656-1/

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-18193

Url: https://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2017-18193

Url: https://www.debian.org/security/2018/dsa-4188

Url: https://www.mend.io/vulnerability-database/CVE-2017-18193

Severity Score

5.5

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version 4.13

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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