{"api_version":"1","generated_at":"2026-04-23T04:34:37+00:00","cve":"CVE-2026-23210","urls":{"html":"https://cve.report/CVE-2026-23210","api":"https://cve.report/api/cve/CVE-2026-23210.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23210","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23210"},"summary":{"title":"ice: Fix PTP NULL pointer dereference during VSI rebuild","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix PTP NULL pointer dereference during VSI rebuild\n\nFix race condition where PTP periodic work runs while VSI is being\nrebuilt, accessing NULL vsi->rx_rings.\n\nThe sequence was:\n1. ice_ptp_prepare_for_reset() cancels PTP work\n2. ice_ptp_rebuild() immediately queues PTP work\n3. VSI rebuild happens AFTER ice_ptp_rebuild()\n4. PTP work runs and accesses NULL vsi->rx_rings\n\nFix: Keep PTP work cancelled during rebuild, only queue it after\nVSI rebuild completes in ice_rebuild().\n\nAdded ice_ptp_queue_work() helper function to encapsulate the logic\nfor queuing PTP work, ensuring it's only queued when PTP is supported\nand the state is ICE_PTP_READY.\n\nError log:\n[  121.392544] ice 0000:60:00.1: PTP reset successful\n[  121.392692] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[  121.392712] #PF: supervisor read access in kernel mode\n[  121.392720] #PF: error_code(0x0000) - not-present page\n[  121.392727] PGD 0\n[  121.392734] Oops: Oops: 0000 [#1] SMP NOPTI\n[  121.392746] CPU: 8 UID: 0 PID: 1005 Comm: ice-ptp-0000:60 Tainted: G S                  6.19.0-rc6+ #4 PREEMPT(voluntary)\n[  121.392761] Tainted: [S]=CPU_OUT_OF_SPEC\n[  121.392773] RIP: 0010:ice_ptp_update_cached_phctime+0xbf/0x150 [ice]\n[  121.393042] Call Trace:\n[  121.393047]  <TASK>\n[  121.393055]  ice_ptp_periodic_work+0x69/0x180 [ice]\n[  121.393202]  kthread_worker_fn+0xa2/0x260\n[  121.393216]  ? __pfx_ice_ptp_periodic_work+0x10/0x10 [ice]\n[  121.393359]  ? __pfx_kthread_worker_fn+0x10/0x10\n[  121.393371]  kthread+0x10d/0x230\n[  121.393382]  ? __pfx_kthread+0x10/0x10\n[  121.393393]  ret_from_fork+0x273/0x2b0\n[  121.393407]  ? __pfx_kthread+0x10/0x10\n[  121.393417]  ret_from_fork_asm+0x1a/0x30\n[  121.393432]  </TASK>","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-14 17:15:58","updated_at":"2026-04-02 12:16:19"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"4.7","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/fc6f36eaaedcf4b81af6fe1a568f018ffd530660","name":"https://git.kernel.org/stable/c/fc6f36eaaedcf4b81af6fe1a568f018ffd530660","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7565d4df66b6619b50dc36618d8b8f1787d77e19","name":"https://git.kernel.org/stable/c/7565d4df66b6619b50dc36618d8b8f1787d77e19","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ba0c7fff6616025a7d3a9e887e7ce16b06dc34b9","name":"https://git.kernel.org/stable/c/ba0c7fff6616025a7d3a9e887e7ce16b06dc34b9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23210","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23210","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 803bef817807d2d36c930dada20c96fffae0dd19 ba0c7fff6616025a7d3a9e887e7ce16b06dc34b9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 803bef817807d2d36c930dada20c96fffae0dd19 7565d4df66b6619b50dc36618d8b8f1787d77e19 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 803bef817807d2d36c930dada20c96fffae0dd19 fc6f36eaaedcf4b81af6fe1a568f018ffd530660 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.80 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.10 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc6","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc7","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23210","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc8","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23210","cve":"CVE-2026-23210","epss":"0.000150000","percentile":"0.030790000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:40"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_main.c","drivers/net/ethernet/intel/ice/ice_ptp.c","drivers/net/ethernet/intel/ice/ice_ptp.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ba0c7fff6616025a7d3a9e887e7ce16b06dc34b9","status":"affected","version":"803bef817807d2d36c930dada20c96fffae0dd19","versionType":"git"},{"lessThan":"7565d4df66b6619b50dc36618d8b8f1787d77e19","status":"affected","version":"803bef817807d2d36c930dada20c96fffae0dd19","versionType":"git"},{"lessThan":"fc6f36eaaedcf4b81af6fe1a568f018ffd530660","status":"affected","version":"803bef817807d2d36c930dada20c96fffae0dd19","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_main.c","drivers/net/ethernet/intel/ice/ice_ptp.c","drivers/net/ethernet/intel/ice/ice_ptp.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.80","versionStartIncluding":"6.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.10","versionStartIncluding":"6.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"6.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix PTP NULL pointer dereference during VSI rebuild\n\nFix race condition where PTP periodic work runs while VSI is being\nrebuilt, accessing NULL vsi->rx_rings.\n\nThe sequence was:\n1. ice_ptp_prepare_for_reset() cancels PTP work\n2. ice_ptp_rebuild() immediately queues PTP work\n3. VSI rebuild happens AFTER ice_ptp_rebuild()\n4. PTP work runs and accesses NULL vsi->rx_rings\n\nFix: Keep PTP work cancelled during rebuild, only queue it after\nVSI rebuild completes in ice_rebuild().\n\nAdded ice_ptp_queue_work() helper function to encapsulate the logic\nfor queuing PTP work, ensuring it's only queued when PTP is supported\nand the state is ICE_PTP_READY.\n\nError log:\n[  121.392544] ice 0000:60:00.1: PTP reset successful\n[  121.392692] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[  121.392712] #PF: supervisor read access in kernel mode\n[  121.392720] #PF: error_code(0x0000) - not-present page\n[  121.392727] PGD 0\n[  121.392734] Oops: Oops: 0000 [#1] SMP NOPTI\n[  121.392746] CPU: 8 UID: 0 PID: 1005 Comm: ice-ptp-0000:60 Tainted: G S                  6.19.0-rc6+ #4 PREEMPT(voluntary)\n[  121.392761] Tainted: [S]=CPU_OUT_OF_SPEC\n[  121.392773] RIP: 0010:ice_ptp_update_cached_phctime+0xbf/0x150 [ice]\n[  121.393042] Call Trace:\n[  121.393047]  <TASK>\n[  121.393055]  ice_ptp_periodic_work+0x69/0x180 [ice]\n[  121.393202]  kthread_worker_fn+0xa2/0x260\n[  121.393216]  ? __pfx_ice_ptp_periodic_work+0x10/0x10 [ice]\n[  121.393359]  ? __pfx_kthread_worker_fn+0x10/0x10\n[  121.393371]  kthread+0x10d/0x230\n[  121.393382]  ? __pfx_kthread+0x10/0x10\n[  121.393393]  ret_from_fork+0x273/0x2b0\n[  121.393407]  ? __pfx_kthread+0x10/0x10\n[  121.393417]  ret_from_fork_asm+0x1a/0x30\n[  121.393432]  </TASK>"}],"providerMetadata":{"dateUpdated":"2026-04-02T11:30:52.959Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ba0c7fff6616025a7d3a9e887e7ce16b06dc34b9"},{"url":"https://git.kernel.org/stable/c/7565d4df66b6619b50dc36618d8b8f1787d77e19"},{"url":"https://git.kernel.org/stable/c/fc6f36eaaedcf4b81af6fe1a568f018ffd530660"}],"title":"ice: Fix PTP NULL pointer dereference during VSI rebuild","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23210","datePublished":"2026-02-14T16:27:31.892Z","dateReserved":"2026-01-13T15:37:45.986Z","dateUpdated":"2026-04-02T11:30:52.959Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-14 17:15:58","lastModifiedDate":"2026-04-02 12:16:19","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18.10","matchCriteriaId":"241EA55E-C309-4617-A483-BA8E77746F53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*","matchCriteriaId":"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*","matchCriteriaId":"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F71D92C0-C023-48BD-B3B6-70B638EEE298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*","matchCriteriaId":"13580667-0A98-40CC-B29F-D12790B91BDB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*","matchCriteriaId":"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*","matchCriteriaId":"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*","matchCriteriaId":"F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*","matchCriteriaId":"EB5B7DFC-C36B-45D8-922C-877569FDDF43"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23210","Ordinal":"1","Title":"ice: Fix PTP NULL pointer dereference during VSI rebuild","CVE":"CVE-2026-23210","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23210","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix PTP NULL pointer dereference during VSI rebuild\n\nFix race condition where PTP periodic work runs while VSI is being\nrebuilt, accessing NULL vsi->rx_rings.\n\nThe sequence was:\n1. ice_ptp_prepare_for_reset() cancels PTP work\n2. ice_ptp_rebuild() immediately queues PTP work\n3. VSI rebuild happens AFTER ice_ptp_rebuild()\n4. PTP work runs and accesses NULL vsi->rx_rings\n\nFix: Keep PTP work cancelled during rebuild, only queue it after\nVSI rebuild completes in ice_rebuild().\n\nAdded ice_ptp_queue_work() helper function to encapsulate the logic\nfor queuing PTP work, ensuring it's only queued when PTP is supported\nand the state is ICE_PTP_READY.\n\nError log:\n[  121.392544] ice 0000:60:00.1: PTP reset successful\n[  121.392692] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[  121.392712] #PF: supervisor read access in kernel mode\n[  121.392720] #PF: error_code(0x0000) - not-present page\n[  121.392727] PGD 0\n[  121.392734] Oops: Oops: 0000 [#1] SMP NOPTI\n[  121.392746] CPU: 8 UID: 0 PID: 1005 Comm: ice-ptp-0000:60 Tainted: G S                  6.19.0-rc6+ #4 PREEMPT(voluntary)\n[  121.392761] Tainted: [S]=CPU_OUT_OF_SPEC\n[  121.392773] RIP: 0010:ice_ptp_update_cached_phctime+0xbf/0x150 [ice]\n[  121.393042] Call Trace:\n[  121.393047]  <TASK>\n[  121.393055]  ice_ptp_periodic_work+0x69/0x180 [ice]\n[  121.393202]  kthread_worker_fn+0xa2/0x260\n[  121.393216]  ? __pfx_ice_ptp_periodic_work+0x10/0x10 [ice]\n[  121.393359]  ? __pfx_kthread_worker_fn+0x10/0x10\n[  121.393371]  kthread+0x10d/0x230\n[  121.393382]  ? __pfx_kthread+0x10/0x10\n[  121.393393]  ret_from_fork+0x273/0x2b0\n[  121.393407]  ? __pfx_kthread+0x10/0x10\n[  121.393417]  ret_from_fork_asm+0x1a/0x30\n[  121.393432]  </TASK>","Type":"Description","Title":"ice: Fix PTP NULL pointer dereference during VSI rebuild"}]}}}