Vulnerability in Linux Kernel
CVE-2014-5045
The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.2 (Medium). Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (39.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux Eus — versions 6.5
- Red Hat Enterprise Linux Server Aus — versions 6.5
- Red Hat Enterprise Linux Server Tus — versions 6.5
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2014/07/24/2 (mailing-list, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212 (Exploit, Patch, Third Party Advisory)
- www.securityfocus.com/bid/68862 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2015-0062.html (vendor-advisory, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8 (Patch, Third Party Advisory, Vendor Advisory)
- git.kernel.org/
- secunia.com/advisories/60353 (Third Party Advisory, third-party-advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)