CVE-2025-37839
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- CVE-2025-37839
CVE Details
| Release Date: | 2025-05-09 | |
| Impact: | Moderate | What is this? |
Description
In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb->s_sequence check Journal emptiness is not determined by sb->s_sequence == 0 but rather by sb->s_start == 0 (which is set a few lines above). Furthermore 0 is a valid transaction ID so the check can spuriously trigger. Remove the invalid WARN_ON.
See more information about CVE-2025-37839 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 5.5 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kernel-uek) | ELSA-2025-20471 | 2025-07-14 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-20470 | 2025-07-14 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2025-20471 | 2025-07-14 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2025-20470 | 2025-07-14 |
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