{"id":"CVE-2026-97574","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Don't free the live ring's TPA state on queue restart failure\n\nbnxt_queue_mem_alloc() shallow copies the live RX ring into the clone:\n\n  memcpy(clone, rxr, siz…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Don't free the live ring's TPA state on queue restart failure\n\nbnxt_queue_mem_alloc() shallow copies the live RX ring into the clone:\n\n  memcpy(clone, rxr, siz…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-826"],"vendor":"Linux","product":"Linux","affected":["Linux >= 0997443906b96a051011f220a61e6dce4602ec54 < e42287b4d38d653f7d4a47f6c29b0c01288bb050","Linux >= bd649c5cc958169b8a8a3e77ea926d92d472b02a < 8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27","Linux >= bd649c5cc958169b8a8a3e77ea926d92d472b02a < 0596a7caa6fc283e142716739099c038d8714082","Linux >= bd649c5cc958169b8a8a3e77ea926d92d472b02a < 5ce7f36c334d723954855ac769ede2fe0e8f89c8","Linux >= 6.12.20 < 6.12.112","Linux 6.13"],"published":"2026-09-25","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:18:04.677","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97574","references":[{"url":"https://git.kernel.org/stable/c/0596a7caa6fc283e142716739099c038d8714082","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5ce7f36c334d723954855ac769ede2fe0e8f89c8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8ade95619cbfd1fc57f0f1a9a5ebdca2345a8d27","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e42287b4d38d653f7d4a47f6c29b0c01288bb050","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97574.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97574"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541078"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97574"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97574"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97574.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00206,"epssPercentile":0.10486,"cvssSource":"vendor","ingestedAt":"2026-09-25T11:06:38.911Z","slug":"CVE-2026-97574","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Don't free the live ring's TPA state on queue restart failure\n\nbnxt_queue_mem_alloc() shallow copies the live RX ring into the clone:\n\n  memcpy(clone, rxr, sizeof(*rxr));\n\nthe code currently clears pointers that the clone owns (such as\nrx_agg_bmap), but rx_tpa and rx_tpa_idx_map are left pointing at memory\nof the live ring that was cloned.\n\nIf an allocation failure happens later and the err_free_tpa_info label\nis taken, the live ring's memory can be freed while still in use.\n\nFix this by initializing the clone's pointers to NULL to prevent live\nring state from being freed inadvertently.\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 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, 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-2026-97574.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":212307,"id":"CVE-2026-97574","ts":1790668146649,"field":"cvss","old":null,"new":"5.5"},{"seq":212306,"id":"CVE-2026-97574","ts":1790668146649,"field":"severity","old":"none","new":"medium"}]}