CVE-2015-3339

Description

Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.

Category

6.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html vendor advisory
http://www.securitytracker.com/id/1032412 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158804.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1214030
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.debian.org/security/2015/dsa-3237 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157897.html vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vendor advisory
http://www.openwall.com/lists/oss-security/2015/04/20/5 mailing list
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6 vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8b01fc86b9f425899f8a3a8fc1c47d73c2c20543
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1272.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html vendor advisory
https://github.com/torvalds/linux/commit/8b01fc86b9f425899f8a3a8fc1c47d73c2c20543

Frequently Asked Questions

What is the severity of CVE-2015-3339?
CVE-2015-3339 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3339?
To fix CVE-2015-3339, 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-2015-3339 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-3339 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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