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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2014-10-13T10:00:00
Updated: 2024-08-06T13:03:27.690Z
Reserved: 2014-10-08T00:00:00
Link: CVE-2014-7975
Vulnrichment
No data.
NVD
Status : Modified
Published: 2014-10-13T10:55:09.263
Modified: 2024-11-21T02:18:21.480
Link: CVE-2014-7975
Redhat