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CVE-2017-5986

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Date: February 18, 2017

Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.

Language: C

Severity Score

Related Resources (13)

https://security-tracker.debian.org/tracker/CVE-2017-5986
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5986
https://access.redhat.com/errata/RHSA-2017:1308
http://www.debian.org/security/2017/dsa-3804
https://bugzilla.redhat.com/show_bug.cgi?id=1420276
http://www.openwall.com/lists/oss-security/2017/02/14/6
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
https://nvd.nist.gov/vuln/detail/CVE-2017-5986
https://access.redhat.com/security/cve/CVE-2017-5986
https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90
http://www.securityfocus.com/bid/96222
https://www.mend.io/vulnerability-database/CVE-2017-5986

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

Reachable Assertion

CWE-617

Top Fix

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CVSS v3.1

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

CVSS v2

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

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