{"id":"CVE-2026-98416","state":"PUBLISHED","title":"dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()\n\nIf devm_kcalloc() for rx_chn->flows fails in a channel request function,\nthe error path calls k3_udma_glue_release_rx_chn(), which dereferences\nthe NULL rx_chn->flows pointer in k3_udma_glue_release_rx_flow().\n\nSkip the flow release loop in k3_udma_glue_release_rx_chn() when\nrx_chn->flows is not allocated.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","publishedAt":"2026-10-14T13:27:47.215Z","updatedAt":"2026-10-19T09:19:10.061Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b51ed7885ab0e8ecad765adc13b465cb1498cdc9","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b2985956e06632939bee47cee13bccd78ad7c3a1","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"967612574c542dec71f820a6eb16dea80dd187a1","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"89f5414660724bb562db4ac74665da16d4a57d99","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b14e6c52872556de2d6c137531e0ce85085c10ed","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"5b2d92b7b177226e1dca2e80dc8369131276c2a4","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"0294b6dd515256c03ea2dbf508ddd3826d788579","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/ti/k3-udma-glue.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/ti/k3-udma-glue.c"]}],"references":["https://git.kernel.org/stable/c/b51ed7885ab0e8ecad765adc13b465cb1498cdc9","https://git.kernel.org/stable/c/b2985956e06632939bee47cee13bccd78ad7c3a1","https://git.kernel.org/stable/c/967612574c542dec71f820a6eb16dea80dd187a1","https://git.kernel.org/stable/c/89f5414660724bb562db4ac74665da16d4a57d99","https://git.kernel.org/stable/c/5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134","https://git.kernel.org/stable/c/b14e6c52872556de2d6c137531e0ce85085c10ed","https://git.kernel.org/stable/c/5b2d92b7b177226e1dca2e80dc8369131276c2a4","https://git.kernel.org/stable/c/0294b6dd515256c03ea2dbf508ddd3826d788579"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98416.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98416","state":"PUBLISHED","datePublished":"2026-10-14T13:27:47.215Z","dateUpdated":"2026-10-19T09:19:10.061Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.347Z"},"containers":{"cna":{"title":"dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()\n\nIf devm_kcalloc() for rx_chn->flows fails in a channel request function,\nthe error path calls k3_udma_glue_release_rx_chn(), which dereferences\nthe NULL rx_chn->flows pointer in k3_udma_glue_release_rx_flow().\n\nSkip the flow release loop in k3_udma_glue_release_rx_chn() when\nrx_chn->flows is not allocated.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b51ed7885ab0e8ecad765adc13b465cb1498cdc9","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b2985956e06632939bee47cee13bccd78ad7c3a1","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"967612574c542dec71f820a6eb16dea80dd187a1","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"89f5414660724bb562db4ac74665da16d4a57d99","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"b14e6c52872556de2d6c137531e0ce85085c10ed","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"5b2d92b7b177226e1dca2e80dc8369131276c2a4","versionType":"git"},{"version":"d702419134133db1eab2067dc6ea5723467fd917","status":"affected","lessThan":"0294b6dd515256c03ea2dbf508ddd3826d788579","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/ti/k3-udma-glue.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/ti/k3-udma-glue.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b51ed7885ab0e8ecad765adc13b465cb1498cdc9"},{"url":"https://git.kernel.org/stable/c/b2985956e06632939bee47cee13bccd78ad7c3a1"},{"url":"https://git.kernel.org/stable/c/967612574c542dec71f820a6eb16dea80dd187a1"},{"url":"https://git.kernel.org/stable/c/89f5414660724bb562db4ac74665da16d4a57d99"},{"url":"https://git.kernel.org/stable/c/5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134"},{"url":"https://git.kernel.org/stable/c/b14e6c52872556de2d6c137531e0ce85085c10ed"},{"url":"https://git.kernel.org/stable/c/5b2d92b7b177226e1dca2e80dc8369131276c2a4"},{"url":"https://git.kernel.org/stable/c/0294b6dd515256c03ea2dbf508ddd3826d788579"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:19:10.061Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}