{"id":"CVE-2026-53007","state":"PUBLISHED","title":"ice: fix potential NULL pointer deref in error path of ice_set_ringparam()","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.","publishedAt":"2026-06-24T16:29:18.570Z","updatedAt":"2026-10-15T10:07:35.515Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"c789649d4334a3767210071311d58bc8e74bdec1","versionType":"git"},{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"c54e3c270384829336b2526033d44ce1aa6dc67c","versionType":"git"},{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"fa28351f970fa5138c7c5dedfe5dea480a0ee065","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ethtool.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ethtool.c"]}],"references":["https://git.kernel.org/stable/c/c789649d4334a3767210071311d58bc8e74bdec1","https://git.kernel.org/stable/c/c54e3c270384829336b2526033d44ce1aa6dc67c","https://git.kernel.org/stable/c/fa28351f970fa5138c7c5dedfe5dea480a0ee065"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53007.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53007","state":"PUBLISHED","datePublished":"2026-06-24T16:29:18.570Z","dateUpdated":"2026-10-15T10:07:35.515Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.378Z"},"containers":{"cna":{"title":"ice: fix potential NULL pointer deref in error path of ice_set_ringparam()","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"c789649d4334a3767210071311d58bc8e74bdec1","versionType":"git"},{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"c54e3c270384829336b2526033d44ce1aa6dc67c","versionType":"git"},{"version":"ccde82e909467abdf098a8ee6f63e1ecf9a47ce5","status":"affected","lessThan":"fa28351f970fa5138c7c5dedfe5dea480a0ee065","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ethtool.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ethtool.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c789649d4334a3767210071311d58bc8e74bdec1"},{"url":"https://git.kernel.org/stable/c/c54e3c270384829336b2526033d44ce1aa6dc67c"},{"url":"https://git.kernel.org/stable/c/fa28351f970fa5138c7c5dedfe5dea480a0ee065"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-15T10:07:35.515Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}