Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.19.5 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157897.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158804.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://rhn.redhat.com/errata/RHSA-2015-1272.html
- http://www.debian.org/security/2015/dsa-3237
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/04/20/5
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.h
FAQ
What is CVE-2015-3339?
CVE-2015-3339 is a vulnerability with a CVSS score of 6.2 (MEDIUM). 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 ...
How severe is CVE-2015-3339?
CVE-2015-3339 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3339?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.