{"cve":"CVE-2026-53007","nvd":{"published":"2026-06-24T17:17:11.920","modified":"2026-10-15T11:17:35.593","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix potential NULL pointer deref in error path of ice_set_ringparam()\n\nice_set_ringparam nullifies tstamp_ring of temporary tx_rings, without\nclearing ICE_TX_RING_FLAGS_TXTIME bit.\nWhen ICE_TX_RING_FLAGS_TXTIME is set and the subsequent\nice_setup_tx_ring() call fails, a NULL pointer dereference could happen\nin the unwinding sequence:\n\nice_clean_tx_ring()\n-> ice_is_txtime_cfg() == true (ICE_TX_RING_FLAGS_TXTIME is set)\n-> ice_free_tx_tstamp_ring()\n  -> ice_free_tstamp_ring()\n    -> tstamp_ring->desc (NULL deref)\n\nClear ICE_TX_RING_FLAGS_TXTIME bit to avoid the potential issue.\n\nNote that this potential issue is found by manual code review.\nCompile test only since unfortunately I don't have E830 devices.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/c54e3c270384829336b2526033d44ce1aa6dc67c","https://git.kernel.org/stable/c/c789649d4334a3767210071311d58bc8e74bdec1","https://git.kernel.org/stable/c/fa28351f970fa5138c7c5dedfe5dea480a0ee065"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53007","score":0.0016,"percentile":0.05146,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}