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CVE-2015-8963

Date: November 15, 2016

Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.

Language: C

Severity Score

Related Resources (9)

http://source.android.com/security/bulletin/2016-11-01.html
https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373
https://access.redhat.com/security/cve/CVE-2015-8963
https://nvd.nist.gov/vuln/detail/CVE-2015-8963
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12ca6ad2e3a896256f086497a7c7406a547ee373
http://www.securityfocus.com/bid/94207
https://security-tracker.debian.org/tracker/CVE-2015-8963
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8963
https://www.mend.io/vulnerability-database/CVE-2015-8963

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

CVSS v3.1

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

CVSS v2

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

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