What’s Vulnerable › Vulnerabilities

CVE-2026-46077: crypto: atmel-tdes - fix DMA sync direction

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-24

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.

Affected products

• Linux kernel: from 3.6 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27 — fixed in 5.10.258, 5.15.209, 6.1.175, 6.12.86, 6.18.27, 6.6.140

How to fix

Upgrade to a fixed version: Linux kernel 5.10.258, 5.15.209, 6.1.175, 6.12.86. Check the vendor advisory for mitigations.

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

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