CVE-2017-17807 in Linux Kernel
Summary
The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.
Reservation
12/20/2017
Disclosure
12/20/2017
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 110933 | Linux Kernel KEYS request_key.c request_key access control | 284 | Not defined | Official fix | CVE-2017-17807 |