CVE-2015-1420

Description

Race condition in the handle_to_path function in fs/fhandle.c in the Linux kernel through 3.19.1 allows local users to bypass intended size restrictions and trigger read operations on additional memory locations by changing the handle_bytes value of a file handle during the execution of this function.

Category

1.9
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2015/dsa-3170 vendor advisory
http://www.ubuntu.com/usn/USN-2660-1 vendor advisory
http://www.openwall.com/lists/oss-security/2015/01/29/12 mailing list
http://www.ubuntu.com/usn/USN-2665-1 vendor advisory
http://marc.info/?l=linux-kernel&m=142247707318982&w=2 mailing list
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html vendor advisory
http://www.ubuntu.com/usn/USN-2661-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1187534
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html vendor advisory
http://www.securityfocus.com/bid/72357 vdb entry
http://www.ubuntu.com/usn/USN-2667-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-1420?
CVE-2015-1420 has been scored as a low severity vulnerability.
How to fix CVE-2015-1420?
To fix CVE-2015-1420, 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-2015-1420 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-1420 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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