In the Linux kernel, the following vulnerability has been resolved:
ecryptfs: release message context on send failure
ecryptfs_send_message_locked() moves a message context from the free
list to the allocated list before sending the request to the userspace
daemon.
If ecryptfs_send_miscdev() fails, the context is left on the
allocated list and cannot be reused. Move it back to the free list on
failure and clear the caller's pointer.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
References 8
https://git.kernel.org/stable/c/219644a3ad5518217b2d62cad6d2c36a2308c949
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/47ce611cb13f0eefa550d5434c1afcd4217bfc3e
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/654b7e79443f5ea90849f5c1cf70c0d94bd5b10e
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9319706316a8e79f374627554386d575a84b637f
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/177e0c32fec3602bb3b64139bb8bb610cd6722c7
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/30845ed227475a11a49ccce047837d016b7e0f49
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/590fc6140e29c54d2f7839eb9df78d106ee1905e
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/743e7aeb9575c0838d8996d40d81a6b8fa5cd060
416baaa9-dc9f-4396-8d5f-8c081fb06d67