CVE-2014-7975
The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.
Published:Oct 8, 2014
Last Modified:Apr 12, 2025
EPS:Oct 13, 2014
EPSS Score:0.00041
CVSS Score:5.5
Affected Products
Vendor
Product
Action
Vendor
Canonical
Product
Ubuntu Linux
Canonical
Ubuntu Linux
Vendor
Linux
Product
Linux Kernel
Linux
Linux Kernel
Vendor
Redhat
Product
Enterprise Linux
Redhat
Enterprise Linux
Vendor
Redhat
Product
Rhel Extras Rt
Redhat
Rhel Extras Rt
Exploits
No exploit reference
Common Weakness Enumeration
No CWE recorded yet
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
