In the Linux kernel, the following vulnerability has been resolved:
mtd: slram: remove failed entries from the device list
register_device() links a new slram_mtdlist entry before allocating all
of the state needed by the entry. If a later allocation, memremap(), or
mtd_device_register() fails, the partially initialized entry remains on
the global list. A later cleanup can then dereference or free invalid
state from that failed entry.
Unwind the partially initialized entry and clear the list tail on each failure path after the entry has been linked.
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/200b8bc5b6065b02f3775cf131f14b8e1156a00a
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2fd0cbbb34447ccddab67a2a638a07c6d94cae7a
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/36f1648644d769c496a8e47e53603e863e358d73
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9ee674ab10f755bbedbcbb8e76745d2bb8de88d1
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bdcdfc2464659789032edfad15ff5f7a166f5d7b
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d8dcbbfa0d695a5244059aa34a2e81f3e8df1082
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e97415b8254d9cc131b7bb1c80fcf38123269b9a
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f40acf577bb0fb0829f285ecfeb27d817840601c
416baaa9-dc9f-4396-8d5f-8c081fb06d67