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.

EPSS: 0.005 (39.2th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM)
  • cve@mitre.org (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)