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CVE-2017-5577

Good to know:

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Date: February 6, 2017

The vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 does not set an errno value upon certain overflow detections, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) via inconsistent size values in a VC4_SUBMIT_CL ioctl call.

Language: C

Severity Score

Related Resources (10)

https://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9
http://www.securityfocus.com/bid/95765
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5577
https://lkml.org/lkml/2017/1/17/759
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7
http://www.openwall.com/lists/oss-security/2017/01/21/7
https://bugzilla.redhat.com/show_bug.cgi?id=1416437
https://nvd.nist.gov/vuln/detail/CVE-2017-5577
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9
https://www.mend.io/vulnerability-database/CVE-2017-5577

Severity Score

Weakness Type (CWE)

Error Handling

CWE-388

Top Fix

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CVSS v3.1

Base Score:
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:
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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