CVE-2015-8961

Description

The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory kernel.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09b patch vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3 release notes
https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09b patch vendor advisory
https://source.android.com/security/bulletin/2016-11-01.html third party advisory
http://www.securityfocus.com/bid/94135 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-8961?
CVE-2015-8961 has been scored as a high severity vulnerability.
How to fix CVE-2015-8961?
To fix CVE-2015-8961, 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-2015-8961 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8961 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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