CVE-2024-50298 (GCVE-0-2024-50298)
Vulnerability from cvelistv5 – Published: 2024-11-19 01:30 – Updated: 2026-10-15 00:57
VLAI
EPSS
VEX
Title
net: enetc: allocate vf_state during PF probes
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: enetc: allocate vf_state during PF probes
In the previous implementation, vf_state is allocated memory only when VF
is enabled. However, net_device_ops::ndo_set_vf_mac() may be called before
VF is enabled to configure the MAC address of VF. If this is the case,
enetc_pf_set_vf_mac() will access vf_state, resulting in access to a null
pointer. The simplified error log is as follows.
root@ls1028ardb:~# ip link set eno0 vf 1 mac 00:0c:e7:66:77:89
[ 173.543315] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004
[ 173.637254] pc : enetc_pf_set_vf_mac+0x3c/0x80 Message from sy
[ 173.641973] lr : do_setlink+0x4a8/0xec8
[ 173.732292] Call trace:
[ 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
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:14 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
11 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
d4fd0404c1c95b17880f254ebfee3485693fa8ba , < 35668e29e979b3a1927d3959cdd87327afd8e5eb
(git)
Affected: d4fd0404c1c95b17880f254ebfee3485693fa8ba , < ef0edfbe9eeed1fccad7cb705648af5222664944 (git) Affected: d4fd0404c1c95b17880f254ebfee3485693fa8ba , < 7eb923f8d4819737c07d6a8d0daef0a4d7f99e0c (git) Affected: d4fd0404c1c95b17880f254ebfee3485693fa8ba , < e15c5506dd39885cd047f811a64240e2e8ab401b (git) |
guessed | |
| Linux | Linux |
Affected:
5.1
Unaffected: 0 , < 5.1 (semver) Unaffected: 6.1.167 , ≤ 6.1.* (semver) Unaffected: 6.6.61 , ≤ 6.6.* (semver) Unaffected: 6.11.8 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed |
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"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"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:49:26.256Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/35668e29e979b3a1927d3959cdd87327afd8e5eb"
},
{
"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-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50298",
"datePublished": "2024-11-19T01:30:46.029Z",
"dateReserved": "2024-10-21T19:36:19.987Z",
"dateUpdated": "2026-10-15T00:57:44.800Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.