CVE-2026-80737
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- CVE-2026-80737
CVE Details
| Release Date: | 2026-09-03 | |
| Impact: | Moderate | What is this? |
Description
In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: synchronize DMA teardown dmaengine_terminate_all() does not wait for a running callback, so the TX callback can still touch the TX buffer after it is freed. The RX poll timer reads the RX buffers without the port lock. Switch to dmaengine_terminate_sync() and delete the RX timer before freeing the buffers.
See more information about CVE-2026-80737 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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.1 |
| 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 8 (kernel-uek) | ELSA-2026-500377 | 2026-10-07 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2026-500374 | 2026-10-07 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2026-500377 | 2026-10-07 |
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