| CVE-2011-4086 | Date: (C)2012-07-03 (M)2024-02-22 |
The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 4.9 |
| Exploit Score: 3.9 |
| Impact Score: 6.9 |
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| CVSS V2 Metrics: |
| Access Vector: LOCAL |
| Access Complexity: LOW |
| Authentication: NONE |
| Confidentiality: NONE |
| Integrity: NONE |
| Availability: COMPLETE |
| | |
