CVE-2026-46077
Published: May 29, 2026Last modified: June 24, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-tdes - fix DMA sync direction Before DMA output is consumed by the CPU, ->dma_addr_out must be synced with dma_sync_single_for_cpu() instead of dma_sync_single_for_device(). Using the wrong direction can return stale cache data on non-coherent platforms.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.175-r0) |
| 25 LTS | linux-lts | Fixed (6.12.87-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523
- https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9
- https://git.kernel.org/stable/c/863d11b3927703ad95077c81a8a6489c5c7872f7
- https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2
- https://git.kernel.org/stable/c/b9b28f3881dd514e74f98ae04e79a635022a4804
- https://git.kernel.org/stable/c/c0f3002c02a3a83250e25582ffbe8df7eb78a8bd
- https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03
- https://git.kernel.org/stable/c/ce3224678acb8c0b3473daa7d7dbffc998c6951a