QwikSec

Security Database

CVE

CWE

Training

CVE-2017-7495

Published: May 15, 2017

Modified: Aug 5, 2024

PUBLISHED

Description

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

Vendor	Product	Versions
n/a	Linux kernel before 4.6.2	affected `Linux kernel before 4.6.2`

References

https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824

x_refsource_CONFIRM

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2

x_refsource_CONFIRM

https://source.android.com/security/bulletin/2017-09-01

x_refsource_CONFIRM

vdb-entry

x_refsource_BID

https://bugzilla.redhat.com/show_bug.cgi?id=1450261

x_refsource_CONFIRM

http://www.openwall.com/lists/oss-security/2017/05/15/2

x_refsource_CONFIRM

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824

x_refsource_CONFIRM

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.