Vulnerability Description
fs/namespace.c in the Linux kernel before 4.0.2 does not properly support mount connectivity, which allows local users to read arbitrary files by leveraging user-namespace root access for deletion of a file or directory.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.0.1 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e0c9c0Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
- http://www.openwall.com/lists/oss-security/2015/06/04/5
- https://bugzilla.redhat.com/show_bug.cgi?id=1249442
- https://github.com/torvalds/linux/commit/e0c9c0afd2fc958ffa34b697972721d81df8a56Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e0c9c0Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
- http://www.openwall.com/lists/oss-security/2015/06/04/5
- https://bugzilla.redhat.com/show_bug.cgi?id=1249442
- https://github.com/torvalds/linux/commit/e0c9c0afd2fc958ffa34b697972721d81df8a56Vendor Advisory
FAQ
What is CVE-2015-4176?
CVE-2015-4176 is a vulnerability with a CVSS score of 5.5 (MEDIUM). fs/namespace.c in the Linux kernel before 4.0.2 does not properly support mount connectivity, which allows local users to read arbitrary files by leveraging user-namespace root access for deletion of ...
How severe is CVE-2015-4176?
CVE-2015-4176 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4176?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.