Vulnerability CVE-2018-5873
Published: 2018-07-06

Description:
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.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 
Google -> Android 

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