CVE-2026-23033: dmaengine: omap-dma: fix dma_pool resource leak in error paths

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: 2026-01-31 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: omap-dma: fix dma_pool resource leak in error paths The dma_pool created by dma_pool_create() is not destroyed when dma_async_device_register() or of_dma_controller_register() fails, causing a resource leak in the probe error paths. Add dma_pool_destroy() in both error paths to properly release the allocated dma_pool resource.

Affected products

Linux kernel: 3.6 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/2b29f38f4f9660595e8272b8e8b82ffcca7ce592
https://git.kernel.org/stable/c/2e1136acf8a8887c29f52e35a77b537309af321f
https://git.kernel.org/stable/c/4b93712e96be17029bd22787f2e39feb0e73272c
https://git.kernel.org/stable/c/6b867a98699657c2a698bbc9e60656349b39b905
https://git.kernel.org/stable/c/829b00481734dd54e72f755fd6584bce6fbffbb0
https://git.kernel.org/stable/c/88a9483f093bbb9263dcf21bc7fdb5132e5de88d
https://git.kernel.org/stable/c/8d66cb05b8b76396387a7b3a91f9284225c87f04
https://cert-portal.siemens.com/productcert/html/ssa-253495.html

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