{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50298", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.987Z", "datePublished": "2024-11-19T01:30:46.029Z", "dateUpdated": "2024-12-19T09:37:41.551Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:37:41.551Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: enetc: allocate vf_state during PF probes\n\nIn the previous implementation, vf_state is allocated memory only when VF\nis enabled. However, net_device_ops::ndo_set_vf_mac() may be called before\nVF is enabled to configure the MAC address of VF. If this is the case,\nenetc_pf_set_vf_mac() will access vf_state, resulting in access to a null\npointer. The simplified error log is as follows.\n\nroot@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89\n[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004\n[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy\n[ 173.641973] lr : do_setlink+0x4a8/0xec8\n[ 173.732292] Call trace:\n[ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80\n[ 173.738847] __rtnl_newlink+0x530/0x89c\n[ 173.742692] rtnl_newlink+0x50/0x7c\n[ 173.746189] rtnetlink_rcv_msg+0x128/0x390\n[ 173.750298] netlink_rcv_skb+0x60/0x130\n[ 173.754145] rtnetlink_rcv+0x18/0x24\n[ 173.757731] netlink_unicast+0x318/0x380\n[ 173.761665] netlink_sendmsg+0x17c/0x3c8"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/freescale/enetc/enetc_pf.c"], "versions": [{"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba", "lessThan": "ef0edfbe9eeed1fccad7cb705648af5222664944", "status": "affected", "versionType": "git"}, {"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba", "lessThan": "7eb923f8d4819737c07d6a8d0daef0a4d7f99e0c", "status": "affected", "versionType": "git"}, {"version": "d4fd0404c1c95b17880f254ebfee3485693fa8ba", "lessThan": "e15c5506dd39885cd047f811a64240e2e8ab401b", "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/ethernet/freescale/enetc/enetc_pf.c"], "versions": [{"version": "5.1", "status": "affected"}, {"version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.61", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.8", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ef0edfbe9eeed1fccad7cb705648af5222664944"}, {"url": "https://git.kernel.org/stable/c/7eb923f8d4819737c07d6a8d0daef0a4d7f99e0c"}, {"url": "https://git.kernel.org/stable/c/e15c5506dd39885cd047f811a64240e2e8ab401b"}], "title": "net: enetc: allocate vf_state during PF probes", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2655B826-596E-4359-912D-3788C37B5429", "versionEndExcluding": "6.6.61", "versionStartIncluding": "5.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0BD000F7-3DAD-4DD3-8906-98EA1EC67E95", "versionEndExcluding": "6.11.8", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*", "matchCriteriaId": "24B88717-53F5-42AA-9B72-14C707639E3F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: enetc: allocate vf_state during PF probes\n\nIn the previous implementation, vf_state is allocated memory only when VF\nis enabled. However, net_device_ops::ndo_set_vf_mac() may be called before\nVF is enabled to configure the MAC address of VF. If this is the case,\nenetc_pf_set_vf_mac() will access vf_state, resulting in access to a null\npointer. The simplified error log is as follows.\n\nroot@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89\n[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004\n[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy\n[ 173.641973] lr : do_setlink+0x4a8/0xec8\n[ 173.732292] Call trace:\n[ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80\n[ 173.738847] __rtnl_newlink+0x530/0x89c\n[ 173.742692] rtnl_newlink+0x50/0x7c\n[ 173.746189] rtnetlink_rcv_msg+0x128/0x390\n[ 173.750298] netlink_rcv_skb+0x60/0x130\n[ 173.754145] rtnetlink_rcv+0x18/0x24\n[ 173.757731] netlink_unicast+0x318/0x380\n[ 173.761665] netlink_sendmsg+0x17c/0x3c8"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: enetc: asignar vf_state durante los sondeos de PF En la implementaci\u00f3n anterior, a vf_state se le asigna memoria solo cuando VF est\u00e1 habilitado. Sin embargo, se puede llamar a net_device_ops::ndo_set_vf_mac() antes de que VF est\u00e9 habilitado para configurar la direcci\u00f3n MAC de VF. Si este es el caso, enetc_pf_set_vf_mac() acceder\u00e1 a vf_state, lo que dar\u00e1 como resultado el acceso a un puntero nulo. El registro de errores simplificado es el siguiente. root@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89 [ 173.543315] No se puede manejar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 0000000000000004 [ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Mensaje de sy [ 173.641973] lr : do_setlink+0x4a8/0xec8 [ 173.732292] Rastreo de llamada: [ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80 [ 173.738847] __rtnl_newlink+0x530/0x89c [ 173.742692] rtnl_newlink+0x50/0x7c [ 173.746189] rtnetlink_rcv_msg+0x128/0x390 [ 173.750298] netlink_rcv_skb+0x60/0x130 [ 173.754145] rtnetlink_rcv+0x18/0x24 [ 173.757731] netlink_unicast+0x318/0x380 [ 173.761665] netlink_sendmsg+0x17c/0x3c8"}], "id": "CVE-2024-50298", "lastModified": "2024-11-27T15:25:38.023", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-11-19T02:16:31.970", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7eb923f8d4819737c07d6a8d0daef0a4d7f99e0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e15c5506dd39885cd047f811a64240e2e8ab401b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ef0edfbe9eeed1fccad7cb705648af5222664944"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: enetc: allocate vf_state during PF probes", "id": "2327202", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327202"}, "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: enetc: allocate vf_state during PF probes\nIn the previous implementation, vf_state is allocated memory only when VF\nis enabled. However, net_device_ops::ndo_set_vf_mac() may be called before\nVF is enabled to configure the MAC address of VF. If this is the case,\nenetc_pf_set_vf_mac() will access vf_state, resulting in access to a null\npointer. The simplified error log is as follows.\nroot@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89\n[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004\n[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy\n[ 173.641973] lr : do_setlink+0x4a8/0xec8\n[ 173.732292] Call trace:\n[ 173.734740] enetc_pf_set_vf_mac+0x3c/0x80\n[ 173.738847] __rtnl_newlink+0x530/0x89c\n[ 173.742692] rtnl_newlink+0x50/0x7c\n[ 173.746189] rtnetlink_rcv_msg+0x128/0x390\n[ 173.750298] netlink_rcv_skb+0x60/0x130\n[ 173.754145] rtnetlink_rcv+0x18/0x24\n[ 173.757731] netlink_unicast+0x318/0x380\n[ 173.761665] netlink_sendmsg+0x17c/0x3c8"], "name": "CVE-2024-50298", "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": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50298\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50298\nhttps://lore.kernel.org/linux-cve-announce/2024111903-CVE-2024-50298-2ef7@gregkh/T"], "threat_severity": "Moderate"}