CVE-2017-7533

Description

Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the inotify_handle_event and vfs_rename functions.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 6.97% Top 10%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a Linux kernel through 4.12.4
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2017/dsa-3927 third party advisory vendor advisory
https://patchwork.kernel.org/patch/9755757/ patch third party advisory issue tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1468283 patch third party advisory issue tracking
http://www.securityfocus.com/bid/100123 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2017:2669 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2473 third party advisory vendor advisory
http://openwall.com/lists/oss-security/2017/08/03/2 patch mailing list third party advisory
https://access.redhat.com/errata/RHSA-2017:2585 third party advisory vendor advisory
https://patchwork.kernel.org/patch/9755753/ patch third party advisory issue tracking
https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e patch third party advisory issue tracking
https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.html third party advisory
http://www.debian.org/security/2017/dsa-3945 third party advisory vendor advisory
https://source.android.com/security/bulletin/2017-12-01 third party advisory
http://www.securitytracker.com/id/1039075 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2017:2770 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e patch third party advisory issue tracking
https://access.redhat.com/errata/RHSA-2017:2869 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2019/06/27/7 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/28/1 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/28/2 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-7533?
CVE-2017-7533 has been scored as a high severity vulnerability.
How to fix CVE-2017-7533?
To fix CVE-2017-7533, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7533 being actively exploited in the wild?
It is possible that CVE-2017-7533 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7533?
CVE-2017-7533 affects n/a Linux kernel through 4.12.4.
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