CVE-2018-5873

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.

CVSS v3.0 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin	Third Party Advisory
https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=34742aaf7cb16c95edba4a7afed6d2c4fa7e434b	Third Party Advisory
https://source.android.com/security/bulletin/2018-07-01	Vendor Advisory
https://github.com/torvalds/linux/commit/073c516ff73557a8f7315066856c04b50383ac34	Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073c516ff73557a8f7315066856c04b50383ac34	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Information

Published : 2018-07-06 12:29

Updated : 2018-08-29 06:49

NVD link : CVE-2018-5873

Mitre link : CVE-2018-5873

JSON object : View

CWE

CWE-416

Use After Free

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

google

android

linux

linux_kernel

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