CVE-2016-3070

Description

The trace_writeback_dirty_page implementation in include/trace/events/writeback.h in the Linux kernel before 4.4 improperly interacts with mm/migrate.c, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by triggering a certain page move.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3035-3 vendor advisory
http://www.ubuntu.com/usn/USN-3035-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1308846 issue tracking
http://www.ubuntu.com/usn/USN-3036-1 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2584.html vendor advisory
http://www.ubuntu.com/usn/USN-3035-2 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2574.html vendor advisory
https://github.com/torvalds/linux/commit/42cb14b110a5698ccf26ce59c4441722605a3743 patch issue tracking
http://www.ubuntu.com/usn/USN-3037-1 vendor advisory
http://www.debian.org/security/2016/dsa-3607 vendor advisory
https://security-tracker.debian.org/tracker/CVE-2016-3070 third party advisory
http://www.ubuntu.com/usn/USN-3034-1 vendor advisory
http://www.securityfocus.com/bid/90518 vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=42cb14b110a5698ccf26ce59c4441722605a3743 patch issue tracking
http://www.ubuntu.com/usn/USN-3034-2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-3070?
CVE-2016-3070 has been scored as a high severity vulnerability.
How to fix CVE-2016-3070?
To fix CVE-2016-3070, 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-2016-3070 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-3070 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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