{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-22103", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.819Z", "datePublished": "2025-04-16T14:12:52.164Z", "dateUpdated": "2025-05-26T05:18:31.532Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:18:31.532Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ipvlan/ipvlan_l3s.c"], "versions": [{"version": "c675e06a98a474f7ad0af32ce467613da818da52", "lessThan": "f9dff65140efc289f01bcf39c3ca66a8806b6132", "status": "affected", "versionType": "git"}, {"version": "c675e06a98a474f7ad0af32ce467613da818da52", "lessThan": "0032c99e83b9ce6d5995d65900aa4b6ffb501cce", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ipvlan/ipvlan_l3s.c"], "versions": [{"version": "5.1", "status": "affected"}, {"version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.2", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.14.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.15"}]}]}], "references": [{"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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2025-22103", "lastModified": "2025-04-17T20:22:16.240", "metrics": {}, "published": "2025-04-16T15:16:04.650", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: net: fix NULL pointer dereference in l3mdev_l3_rcv", "id": "2360269", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2360269"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: fix NULL pointer dereference in l3mdev_l3_rcv\nWhen delete l3s ipvlan:\nip link del link eth0 ipvlan1 type ipvlan mode l3s\nThis may cause a null pointer dereference:\nCall trace:\nip_rcv_finish+0x48/0xd0\nip_rcv+0x5c/0x100\n__netif_receive_skb_one_core+0x64/0xb0\n__netif_receive_skb+0x20/0x80\nprocess_backlog+0xb4/0x204\nnapi_poll+0xe8/0x294\nnet_rx_action+0xd8/0x22c\n__do_softirq+0x12c/0x354\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(CPU1) | (CPU2)\nl3mdev_l3_rcv() |\ncheck dev->priv_flags: |\nmaster = skb->dev; |\n|\n| ipvlan_l3s_unregister()\n| set dev->priv_flags\n| dev->l3mdev_ops = NULL;\n|\nvisit master->l3mdev_ops |\nTo avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan."], "name": "CVE-2025-22103", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22103\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22103\nhttps://lore.kernel.org/linux-cve-announce/2025041621-CVE-2025-22103-b3a2@gregkh/T"], "threat_severity": "Moderate"}