CVE-2026-72475: dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc Use axi_dmac_free_desc() to free fully the descriptor at fail path when call axi_dmac_alloc_desc() in axi_dmac_prep_peripheral_dma_vec().

Affected products

Linux kernel: 6.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/36e9cbbfc09ef792918e6a276dd7e2dbca7f31ce
https://git.kernel.org/stable/c/4910ce1b3b35687bb2a5e742c4bfbea3c647c980
https://git.kernel.org/stable/c/9f1ef67c041ef592c13603957ba08b6f21010004
https://git.kernel.org/stable/c/f055829151eed5a9ec4af98a6c1ce75dbaf2e372

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