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CVE-2018-5873

Good to know:

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Date: July 6, 2018

An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05.

Language: C

Severity Score

Related Resources (8)

https://github.com/torvalds/linux/commit/073c516ff73557a8f7315066856c04b50383ac34
https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=34742aaf7cb16c95edba4a7afed6d2c4fa7e434b
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-5873
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073c516ff73557a8f7315066856c04b50383ac34
https://source.android.com/security/bulletin/2018-07-01
https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin
https://nvd.nist.gov/vuln/detail/CVE-2018-5873
https://www.mend.io/vulnerability-database/CVE-2018-5873

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

Use After Free

CWE-416

Top Fix

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CVSS v3.1

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

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