CVE-2016-4580

Description

The x25_negotiate_facilities function in net/x25/x25_facilities.c in the Linux kernel before 4.5.5 does not properly initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory via an X.25 Call Request.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.49%
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Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/05/10/12 mailing list
https://github.com/torvalds/linux/commit/79e48650320e6fba48369fccf13fd045315b19b8 vendor advisory
http://www.ubuntu.com/usn/USN-3017-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor advisory
http://www.ubuntu.com/usn/USN-3017-3 vendor advisory
http://www.ubuntu.com/usn/USN-3018-2 vendor advisory
http://www.ubuntu.com/usn/USN-3021-2 vendor advisory
http://www.ubuntu.com/usn/USN-3017-2 vendor advisory
http://www.ubuntu.com/usn/USN-3019-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79e48650320e6fba48369fccf13fd045315b19b8 vendor advisory
http://www.debian.org/security/2016/dsa-3607 vendor advisory
http://www.ubuntu.com/usn/USN-3016-2 vendor advisory
http://www.ubuntu.com/usn/USN-3016-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html vendor advisory
http://www.ubuntu.com/usn/USN-3021-1 vendor advisory
http://www.ubuntu.com/usn/USN-3018-1 vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
http://www.securityfocus.com/bid/90528 vdb entry
http://www.ubuntu.com/usn/USN-3016-3 vendor advisory
http://www.ubuntu.com/usn/USN-3016-4 vendor advisory
http://www.ubuntu.com/usn/USN-3020-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4580?
CVE-2016-4580 has been scored as a high severity vulnerability.
How to fix CVE-2016-4580?
To fix CVE-2016-4580, 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-2016-4580 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-4580 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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