A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux kernel. This could allow a local attacker to crash the system or leak kernel internal information.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 4.9.311 (excluding) |
| Linux_kernel | Linux | 4.10 (including) | 4.14.276 (excluding) |
| Linux_kernel | Linux | 4.15 (including) | 4.19.238 (excluding) |
| Linux_kernel | Linux | 4.20 (including) | 5.4.189 (excluding) |
| Linux_kernel | Linux | 5.5.0 (including) | 5.10.111 (excluding) |
| Linux_kernel | Linux | 5.11 (including) | 5.15.34 (excluding) |
| Linux_kernel | Linux | 5.16 (including) | 5.16.20 (excluding) |
| Linux_kernel | Linux | 5.17 (including) | 5.17.3 (excluding) |