Bug 1564028 (CVE-2017-0750) - CVE-2017-0750 kernel: Out-of-bounds write in f2fs allows code execution when mounted malicious file system
Summary: CVE-2017-0750 kernel: Out-of-bounds write in f2fs allows code execution when ...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-0750
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1564029
TreeView+ depends on / blocked
 
Reported: 2018-04-05 07:07 UTC by Adam Mariš
Modified: 2021-02-17 00:33 UTC (History)
46 users (show)

Fixed In Version: kernel 4.4.73
Doc Type: If docs needed, set a value
Doc Text:
It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System (f2fs) in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code.
Clone Of:
Environment:
Last Closed: 2018-04-10 13:42:28 UTC
Embargoed:

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Description Adam Mariš 2018-04-05 07:07:49 UTC 
It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System (f2fs) in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code.

An upstream fix:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a59b62fd88196844cee5fff851bee2cfd7afb6e
Comment 1 Adam Mariš 2018-04-05 07:08:48 UTC 
External References:

https://blog.trendmicro.com/trendlabs-security-intelligence/vulnerability-f2fs-file-system-leads-memory-corruption-android-linux/
https://source.android.com/security/bulletin/2017-08-01#kernel-components
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