{"api_version":"1","generated_at":"2026-10-01T18:35:09+00:00","cve":"CVE-2025-22103","urls":{"html":"https://cve.report/CVE-2025-22103","api":"https://cve.report/api/cve/CVE-2025-22103.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-22103","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-22103"},"summary":{"title":"net: fix NULL pointer dereference in l3mdev_l3_rcv","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix NULL pointer dereference in l3mdev_l3_rcv\n\nWhen delete l3s ipvlan:\n\n    ip link del link eth0 ipvlan1 type ipvlan mode l3s\n\nThis may cause a null pointer dereference:\n\n    Call trace:\n     ip_rcv_finish+0x48/0xd0\n     ip_rcv+0x5c/0x100\n     __netif_receive_skb_one_core+0x64/0xb0\n     __netif_receive_skb+0x20/0x80\n     process_backlog+0xb4/0x204\n     napi_poll+0xe8/0x294\n     net_rx_action+0xd8/0x22c\n     __do_softirq+0x12c/0x354\n\nThis is because l3mdev_l3_rcv() visit dev->l3mdev_ops after\nipvlan_l3s_unregister() assign the dev->l3mdev_ops to NULL. The process\nlike this:\n\n    (CPU1)                     | (CPU2)\n    l3mdev_l3_rcv()            |\n      check dev->priv_flags:   |\n        master = skb->dev;     |\n                               |\n                               | ipvlan_l3s_unregister()\n                               |   set dev->priv_flags\n                               |   dev->l3mdev_ops = NULL;\n                               |\n      visit master->l3mdev_ops |\n\nTo avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-04-16 15:16:04","updated_at":"2026-09-14 12:17:35"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/52b44d8c653459c658b733d13658afdde45f6836","name":"https://git.kernel.org/stable/c/52b44d8c653459c658b733d13658afdde45f6836","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1da52878f7fb74ace304f74325bb89e3e5546b55","name":"https://git.kernel.org/stable/c/1da52878f7fb74ace304f74325bb89e3e5546b55","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204","name":"https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce","name":"https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132","name":"https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d97d6b1bd2b7f2a188d261d44c4519a13b8c406a","name":"https://git.kernel.org/stable/c/d97d6b1bd2b7f2a188d261d44c4519a13b8c406a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862","name":"https://git.kernel.org/stable/c/8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-22103","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-22103","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 1da52878f7fb74ace304f74325bb89e3e5546b55 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 d97d6b1bd2b7f2a188d261d44c4519a13b8c406a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 52b44d8c653459c658b733d13658afdde45f6836 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 59599bce44af3df7a215ebc81cb166426e1c9204 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 f9dff65140efc289f01bcf39c3ca66a8806b6132 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c675e06a98a474f7ad0af32ce467613da818da52 0032c99e83b9ce6d5995d65900aa4b6ffb501cce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.270 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.117 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.46 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14.2 6.14.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"22103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ipvlan/ipvlan_l3s.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1da52878f7fb74ace304f74325bb89e3e5546b55","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"d97d6b1bd2b7f2a188d261d44c4519a13b8c406a","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"52b44d8c653459c658b733d13658afdde45f6836","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"59599bce44af3df7a215ebc81cb166426e1c9204","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"f9dff65140efc289f01bcf39c3ca66a8806b6132","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"},{"lessThan":"0032c99e83b9ce6d5995d65900aa4b6ffb501cce","status":"affected","version":"c675e06a98a474f7ad0af32ce467613da818da52","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ipvlan/ipvlan_l3s.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.1"},{"lessThan":"5.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.117","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.46","versionType":"semver"},{"lessThanOrEqual":"6.14.*","status":"unaffected","version":"6.14.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.15","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.117","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.46","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.14.2","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.15","versionStartIncluding":"5.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix NULL pointer dereference in l3mdev_l3_rcv\n\nWhen delete l3s ipvlan:\n\n    ip link del link eth0 ipvlan1 type ipvlan mode l3s\n\nThis may cause a null pointer dereference:\n\n    Call trace:\n     ip_rcv_finish+0x48/0xd0\n     ip_rcv+0x5c/0x100\n     __netif_receive_skb_one_core+0x64/0xb0\n     __netif_receive_skb+0x20/0x80\n     process_backlog+0xb4/0x204\n     napi_poll+0xe8/0x294\n     net_rx_action+0xd8/0x22c\n     __do_softirq+0x12c/0x354\n\nThis is because l3mdev_l3_rcv() visit dev->l3mdev_ops after\nipvlan_l3s_unregister() assign the dev->l3mdev_ops to NULL. The process\nlike this:\n\n    (CPU1)                     | (CPU2)\n    l3mdev_l3_rcv()            |\n      check dev->priv_flags:   |\n        master = skb->dev;     |\n                               |\n                               | ipvlan_l3s_unregister()\n                               |   set dev->priv_flags\n                               |   dev->l3mdev_ops = NULL;\n                               |\n      visit master->l3mdev_ops |\n\nTo avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan."}],"providerMetadata":{"dateUpdated":"2026-09-14T11:57:55.772Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1da52878f7fb74ace304f74325bb89e3e5546b55"},{"url":"https://git.kernel.org/stable/c/d97d6b1bd2b7f2a188d261d44c4519a13b8c406a"},{"url":"https://git.kernel.org/stable/c/8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862"},{"url":"https://git.kernel.org/stable/c/52b44d8c653459c658b733d13658afdde45f6836"},{"url":"https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204"},{"url":"https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132"},{"url":"https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce"}],"title":"net: fix NULL pointer dereference in l3mdev_l3_rcv","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-22103","datePublished":"2025-04-16T14:12:52.164Z","dateReserved":"2024-12-29T08:45:45.819Z","dateUpdated":"2026-09-14T11:57:55.772Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-04-16 15:16:04","lastModifiedDate":"2026-09-14 12:17:35","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"6.12.46","matchCriteriaId":"2D4111B6-DFBE-49AE-8EF0-D64A9F341C18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.14.2","matchCriteriaId":"633A38C1-75C8-452D-8F1C-DA0269FD2687"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"22103","Ordinal":"1","Title":"net: fix NULL pointer dereference in l3mdev_l3_rcv","CVE":"CVE-2025-22103","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"22103","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix NULL pointer dereference in l3mdev_l3_rcv\n\nWhen delete l3s ipvlan:\n\n    ip link del link eth0 ipvlan1 type ipvlan mode l3s\n\nThis may cause a null pointer dereference:\n\n    Call trace:\n     ip_rcv_finish+0x48/0xd0\n     ip_rcv+0x5c/0x100\n     __netif_receive_skb_one_core+0x64/0xb0\n     __netif_receive_skb+0x20/0x80\n     process_backlog+0xb4/0x204\n     napi_poll+0xe8/0x294\n     net_rx_action+0xd8/0x22c\n     __do_softirq+0x12c/0x354\n\nThis is because l3mdev_l3_rcv() visit dev->l3mdev_ops after\nipvlan_l3s_unregister() assign the dev->l3mdev_ops to NULL. The process\nlike this:\n\n    (CPU1)                     | (CPU2)\n    l3mdev_l3_rcv()            |\n      check dev->priv_flags:   |\n        master = skb->dev;     |\n                               |\n                               | ipvlan_l3s_unregister()\n                               |   set dev->priv_flags\n                               |   dev->l3mdev_ops = NULL;\n                               |\n      visit master->l3mdev_ops |\n\nTo avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan.","Type":"Description","Title":"net: fix NULL pointer dereference in l3mdev_l3_rcv"}]}}}