Updated: 2023-08-16
CWE: CWE-476: NULL Pointer Dereference
Description:
A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.
CVSS3: 5.5
| OS | Vendor version | Errata |
|---|---|---|
| Ubuntu 16.04 ESM | 4.4.0-245.279 | USN-6388-1 |
| Ubuntu 22.04 AWS | 5.15.0-1019.23 | USN-5594-1 |
| Ubuntu 20.04 AWS | 5.4.0-1085.92 | USN-5622-1 |
| Ubuntu 16.04 HWE ESM | 4.15.0-192.203~16.04.1 | USN-5591-1 |
| Ubuntu 16.04 AWS ESM | 4.4.0-1161.176 | USN-6388-1 |
| Ubuntu 16.04 GCP ESM | 4.15.0-1135.151~16.04.2 | USN-5591-1 |
| Ubuntu 16.04 Azure ESM | 4.15.0-1150.165~16.04.1 | USN-5591-1 |
| Ubuntu 20.04 | 5.4.0-126.142 | USN-5622-1 |
| Ubuntu 14.04 HWE ESM | 4.4.0-245.279~14.04.1 | USN-6388-1 |
| Ubuntu 22.04 | 5.15.0-47.51 | USN-5594-1 |
| Ubuntu 22.04 Azure | 5.15.0-1019.24 | USN-5594-1 |
| Ubuntu 16.04 AWS HWE ESM | 4.15.0-1140.151~16.04.1 | USN-5591-2 |
| OS | Original kernel version | State |
|---|---|---|
| Ubuntu 16.04 ESM | |
Will Not Fix |
| Ubuntu 22.04 AWS | |
Will Not Fix |
| Debian 10 | |
Will Not Fix |
| Ubuntu 20.04 AWS | |
Will Not Fix |
| Ubuntu 16.04 HWE ESM | |
Will Not Fix |
| Ubuntu 16.04 AWS ESM | |
Will Not Fix |
| Ubuntu 16.04 GCP ESM | |
Will Not Fix |
| Ubuntu 16.04 Azure ESM | |
Will Not Fix |
| Ubuntu 20.04 | |
Will Not Fix |
| Ubuntu 14.04 HWE ESM | |
Will Not Fix |
| Ubuntu 22.04 | |
Will Not Fix |
| Ubuntu 22.04 Azure | |
Will Not Fix |
| Debian 11 | |
Will Not Fix |
| Ubuntu 16.04 AWS HWE ESM | |
Will Not Fix |