Vulnerability in Linux

[ Description ]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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund14 Oct 2026WID-SEC-2026-3951

  Linux Kernel: Multiple vulnerabilities Translated from German

  CVE-2026-98426CVE-2026-98416CVE-2026-98393+43 more CVEs

[ References ]References

• git.kernel.org/stable/c/0294b6dd515256c03ea2dbf508ddd3826d788579
• git.kernel.org/stable/c/5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134
• git.kernel.org/stable/c/5b2d92b7b177226e1dca2e80dc8369131276c2a4
• git.kernel.org/stable/c/89f5414660724bb562db4ac74665da16d4a57d99
• git.kernel.org/stable/c/967612574c542dec71f820a6eb16dea80dd187a1
• git.kernel.org/stable/c/b14e6c52872556de2d6c137531e0ce85085c10ed
• git.kernel.org/stable/c/b2985956e06632939bee47cee13bccd78ad7c3a1
• git.kernel.org/stable/c/b51ed7885ab0e8ecad765adc13b465cb1498cdc9