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CVE-2017-10663

Good to know:

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Date: August 19, 2017

The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.

Language: C

Severity Score

Related Resources (10)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a
https://bugzilla.redhat.com/show_bug.cgi?id=1481149
http://www.securityfocus.com/bid/100215
https://nvd.nist.gov/vuln/detail/CVE-2017-10663
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-10663
https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a
https://source.android.com/security/bulletin/2017-08-01
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4
https://security-tracker.debian.org/tracker/CVE-2017-10663
https://www.mend.io/vulnerability-database/CVE-2017-10663

Severity Score

Weakness Type (CWE)

Improper Validation of Array Index

CWE-129

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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