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CVE-2017-14140

Date: September 5, 2017

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.

Language: C

Severity Score

Related Resources (14)

https://access.redhat.com/security/cve/CVE-2017-14140
https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9
https://access.redhat.com/errata/RHSA-2018:0676
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3583-1/
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9
https://access.redhat.com/errata/RHSA-2018:1062
http://www.debian.org/security/2017/dsa-3981
http://www.securityfocus.com/bid/100876
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9
https://source.android.com/security/bulletin/pixel/2018-01-01
https://nvd.nist.gov/vuln/detail/CVE-2017-14140
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-14140
https://www.mend.io/vulnerability-database/CVE-2017-14140

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

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): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

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

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