CVE-2021-4149
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- CVE-2021-4149
CVE Details
| Release Date: | 2022-03-23 | |
| Impact: | None | What is this? |
Description
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
See more information about CVE-2021-4149 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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.0 |
| 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 6 (kernel-uek) | ELSA-2022-9348 | 2022-05-03 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2022-9313 | 2022-04-25 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2022-9348 | 2022-05-03 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2022-9314 | 2022-04-25 |
| Oracle VM version 3 (kernel-uek) | OVMSA-2022-0014 | 2022-05-03 |
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