What’s Vulnerable › Vulnerabilities

CVE-2024-40991: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2024-07-12 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() The of_k3_udma_glue_parse_chn_by_id() helper function erroneously invokes "of_node_put()" on the "udmax_np" device-node passed to it, without having incremented its reference count at any point. Fix it.

Affected products

• Linux kernel: from 6.9 before 6.9.7; 6.10-rc1, 6.10-rc2, 6.10-rc3, 6.10-rc4 — fixed in 6.9.7

How to fix

Upgrade to a fixed version: Linux kernel 6.9.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e
• https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81
• https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e
• https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81

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