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CVE-2016-7911

Date: November 15, 2016

Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel before 4.6.6 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted ioprio_get system call.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2016-7911
http://www.securityfocus.com/bid/94135
http://source.android.com/security/bulletin/2016-11-01.html
https://github.com/torvalds/linux/commit/8ba8682107ee2ca3347354e018865d8e1967c5f4
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7911
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.6
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8ba8682107ee2ca3347354e018865d8e1967c5f4
https://access.redhat.com/security/cve/CVE-2016-7911
https://security-tracker.debian.org/tracker/CVE-2016-7911
https://www.mend.io/vulnerability-database/CVE-2016-7911

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): LOW
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): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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