{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98416", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.347Z", "datePublished": "2026-10-14T13:27:47.215Z", "dateUpdated": "2026-10-19T09:19:10.061Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:19:10.061Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/ti/k3-udma-glue.c"], "versions": [{"version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "b51ed7885ab0e8ecad765adc13b465cb1498cdc9", "status": "affected", "versionType": "git"}, {"version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "b2985956e06632939bee47cee13bccd78ad7c3a1", "status": "affected", "versionType": "git"}, {"version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "967612574c542dec71f820a6eb16dea80dd187a1", "status": "affected", "versionType": "git"}, {"version": "d702419134133db1eab2067dc6ea5723467fd917", "lessThan": "89f5414660724bb562db4ac74665da16d4a57d99", "status": "affected", "versionType": "git"}, {"version": "d702419134133db1eab2067dc6ea5723467fd917", 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"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"}]}]}], "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"}], "title": "dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/dma/ti/k3-udma-glue.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b51ed7885ab0e8ecad765adc13b465cb1498cdc9", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "b2985956e06632939bee47cee13bccd78ad7c3a1", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "967612574c542dec71f820a6eb16dea80dd187a1", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "89f5414660724bb562db4ac74665da16d4a57d99", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "b14e6c52872556de2d6c137531e0ce85085c10ed", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "5b2d92b7b177226e1dca2e80dc8369131276c2a4", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}, {"lessThan": "0294b6dd515256c03ea2dbf508ddd3826d788579", "status": "affected", "version": "d702419134133db1eab2067dc6ea5723467fd917", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/dma/ti/k3-udma-glue.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"lessThan": "5.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-98416", "lastModified": "2026-10-19T10:18:46.953", "metrics": {}, "published": "2026-10-14T14:17:52.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0294b6dd515256c03ea2dbf508ddd3826d788579"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a6cb4d387eebf7d32a6ed3fcd39f94bf38bd134"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b2d92b7b177226e1dca2e80dc8369131276c2a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89f5414660724bb562db4ac74665da16d4a57d99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/967612574c542dec71f820a6eb16dea80dd187a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b14e6c52872556de2d6c137531e0ce85085c10ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b2985956e06632939bee47cee13bccd78ad7c3a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b51ed7885ab0e8ecad765adc13b465cb1498cdc9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()", "id": "2552210", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552210"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Texas Instruments K3 UDMA (Unified Direct Memory Access) driver. This vulnerability can lead to a Denial of Service (DoS) caused by a null pointer dereference when freeing resources during a failed channel request. Under resource-exhaustion conditions, the error-handling routine attempts to release unallocated flows without verifying their allocation status, triggering a kernel crash."], "name": "CVE-2026-98416", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98416\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98416\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98416.mbox"], "threat_severity": "Moderate"}

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