{"id":"CVE-2026-97978","title":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: ice: don't dereference pointers from TP_printk()\n\nAfter forwarding net-next during the v7.3 merge window we started\nseeing:\n\n  TRACE EVENT ERROR: Event ice_tx_dim_…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: ice: don't dereference pointers from TP_printk()\n\nAfter forwarding net-next during the v7.3 merge window we started\nseeing:\n\n  TRACE EVENT ERROR: Event ice_tx_dim_…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 3089cf6d3caa1eb344aac05c875f4aeaf891552d < ae230874e3ba27e975a9bb21a6ffd05d6a2ea318","Linux >= 3089cf6d3caa1eb344aac05c875f4aeaf891552d < 0b0d2f9db2406aa541a8bc3737f4f4aae1cafde9","Linux >= 3089cf6d3caa1eb344aac05c875f4aeaf891552d < c42db35518bb0eae42ec955520eee0aa94a4a6fe","Linux >= 3089cf6d3caa1eb344aac05c875f4aeaf891552d < b8bf9bfda5f62e11444e483c2b4aaff90c5cfc6b","Linux 5.14"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:25.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97978","references":[{"url":"https://git.kernel.org/stable/c/0b0d2f9db2406aa541a8bc3737f4f4aae1cafde9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ae230874e3ba27e975a9bb21a6ffd05d6a2ea318","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b8bf9bfda5f62e11444e483c2b4aaff90c5cfc6b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c42db35518bb0eae42ec955520eee0aa94a4a6fe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97978.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97978"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541217"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97978"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97978"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97978.mbox"},{"url":"https://git.kernel.org/stable/c/385aa7dbc6af11d90a5dd1261dbe75950eb7ca93"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-25T11:06:38.869Z","epss":0.00168,"epssPercentile":0.06165,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-825"],"slug":"CVE-2026-97978","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\neth: ice: don't dereference pointers from TP_printk()\n\nAfter forwarding net-next during the v7.3 merge window we started\nseeing:\n\n  TRACE EVENT ERROR: Event ice_tx_dim_work has double dereference in TP_printk: REC->q_vector->tx.tx_ring->q_index\n  WARNING: kernel/trace/trace_events.c:420 at test_double_dereference.cold+0x39/0x4b\n\nthis is due to extra checks added in tracing subsystem in\ncommit b5cc230af5e5 (\"tracing: Warn when an event dereferences a pointer in TP_printk()\").\n\nPrinting happens long after the event was recorded, by which point\nthe pointers may be invalid (the ring or the dim instance).\nCopy the eight scalars into the event instead.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97978.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213315,"id":"CVE-2026-97978","ts":1790754688759,"field":"cvss","old":null,"new":"5.5"},{"seq":213314,"id":"CVE-2026-97978","ts":1790754688759,"field":"severity","old":"none","new":"medium"}]}