CVE-2021-41864
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- CVE-2021-41864
CVE Details
| Release Date: | 2021-10-02 | |
| Impact: | None | What is this? |
Description
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
See more information about CVE-2021-41864 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: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9621 | 2021-12-20 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9623 | 2021-12-20 |
| Oracle Linux version 8 (kernel) | ELSA-2022-1988 | 2022-05-17 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2021-9621 | 2021-12-20 |
| Oracle Linux version 8 (kernel-uek-container) | ELSA-2021-9623 | 2021-12-20 |
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