CVE-2026-98416 dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()
A NULL pointer dereference in the TI K3 UDMA glue driver can cause a kernel crash, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-98416?
CVE-2026-98416 is a vulnerability in Linux, published on 14 Oct 2026.
Official description
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()
If devm_kcalloc() for rx_chn->flows fails in a channel request function, the error path calls k3_udma_glue_release_rx_chn(), which dereferences the NULL rx_chn->flows pointer in k3_udma_glue_release_rx_flow().
Skip the flow release loop in k3_udma_glue_release_rx_chn() when rx_chn->flows is not allocated.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Which versions are affected by CVE-2026-98416?
How do I fix CVE-2026-98416?
Apply the vendor's patch.
Is CVE-2026-98416 being exploited?
There is no known exploitation of CVE-2026-98416 in the wild and no public exploit code.
Sources
Also known as AZL-108180, BELL-CVE-2026-98416, DEBIAN-CVE-2026-98416, GHSA-g7ff-rm89-vv7r, UBUNTU-CVE-2026-98416.