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CVE-2017-17052

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Date: November 28, 2017

The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.

Language: C

Severity Score

Related Resources (9)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3a
http://www.securityfocus.com/bid/102009
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10
https://security-tracker.debian.org/tracker/CVE-2017-17052
https://nvd.nist.gov/vuln/detail/CVE-2017-17052
https://access.redhat.com/security/cve/CVE-2017-17052
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17052
https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3a
https://www.mend.io/vulnerability-database/CVE-2017-17052

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

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

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