CVE-2025-39783 (GCVE-0-2025-39783)
Vulnerability from cvelistv5 – Published: 2025-09-11 16:56 – Updated: 2026-07-14 12:42
VLAI
EPSS
VEX
Title
PCI: endpoint: Fix configfs group list head handling
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI: endpoint: Fix configfs group list head handling
Doing a list_del() on the epf_group field of struct pci_epf_driver in
pci_epf_remove_cfs() is not correct as this field is a list head, not
a list entry. This list_del() call triggers a KASAN warning when an
endpoint function driver which has a configfs attribute group is torn
down:
==================================================================
BUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198
Write of size 8 at addr ffff00010f4a0d80 by task rmmod/319
CPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE
Hardware name: Radxa ROCK 5B (DT)
Call trace:
show_stack+0x2c/0x84 (C)
dump_stack_lvl+0x70/0x98
print_report+0x17c/0x538
kasan_report+0xb8/0x190
__asan_report_store8_noabort+0x20/0x2c
pci_epf_remove_cfs+0x17c/0x198
pci_epf_unregister_driver+0x18/0x30
nvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]
__arm64_sys_delete_module+0x264/0x424
invoke_syscall+0x70/0x260
el0_svc_common.constprop.0+0xac/0x230
do_el0_svc+0x40/0x58
el0_svc+0x48/0xdc
el0t_64_sync_handler+0x10c/0x138
el0t_64_sync+0x198/0x19c
...
Remove this incorrect list_del() call from pci_epf_remove_cfs().
Severity
7.8 (High)
Assigner
References
12 references
Impacted products
6 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 80ea6e6904fb2ba4ccb5d909579988466ec65358
(git)
Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < d5aecddc3452371d9da82cdbb0c715812524b54b (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < dc4ffbd571716ff3b171418fb03abe80e720a7b1 (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 409af8b9f7b4f23cd0464e71c6cd6fe13c076ae2 (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 0758862386f114d9ab1e23181461bd1e2e9ec4c6 (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < 6cf65505523224cab1449d726d2ce8180c2941ee (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < a302bd89db35d8b7e279de4d2b41c16c7f191069 (git) Affected: ef1433f717a2c63747a519d86965d73ff9bd08b3 , < d79123d79a8154b4318529b7b2ff7e15806f480b (git) |
guessed | |
| Linux | Linux |
Affected:
4.18
Unaffected: 0 , < 4.18 (semver) Unaffected: 5.4.297 , ≤ 5.4.* (semver) Unaffected: 5.10.241 , ≤ 5.10.* (semver) Unaffected: 5.15.190 , ≤ 5.15.* (semver) Unaffected: 6.1.149 , ≤ 6.1.* (semver) Unaffected: 6.6.103 , ≤ 6.6.* (semver) Unaffected: 6.12.44 , ≤ 6.12.* (semver) Unaffected: 6.16.4 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
guessed |
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
},
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}
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"x_adpType": "supplier"
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"cna": {
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"cpeApplicability": [
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"descriptions": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs()."
}
],
"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/0758862386f114d9ab1e23181461bd1e2e9ec4c6"
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"url": "https://git.kernel.org/stable/c/6cf65505523224cab1449d726d2ce8180c2941ee"
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}
],
"title": "PCI: endpoint: Fix configfs group list head handling",
"x_generator": {
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}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-39783",
"datePublished": "2025-09-11T16:56:33.376Z",
"dateReserved": "2025-04-16T07:20:57.130Z",
"dateUpdated": "2026-07-14T12:42:53.165Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-39783",
"date": "2026-09-19",
"epss": "0.00162",
"percentile": "0.05839"
},
"microsoft_vex": {
"current_release_date": "2026-02-24T14:39:47.000Z",
"cve": "CVE-2025-39783",
"id": "msrc_CVE-2025-39783",
"initial_release_date": "2025-09-02T00:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "PCI: endpoint: Fix configfs group list head handling",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-39783.json",
"version": "4"
},
"nvd": {
"cve": {
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{
"affectedData": [
{
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"product": "Linux",
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],
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"version": "6.12.44",
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"version": "6.16.4",
"versionType": "semver"
},
{
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
}
]
}
],
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},
{
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"status": "affected",
"version": "0",
"versionType": "custom"
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"vendor": "Siemens",
"versions": [
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"version": "V3.1.5",
"versionType": "custom"
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]
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{
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"vendor": "Siemens",
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{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
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{
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"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.5",
"versionType": "custom"
}
]
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix configfs group list head handling\n\nDoing a list_del() on the epf_group field of struct pci_epf_driver in\npci_epf_remove_cfs() is not correct as this field is a list head, not\na list entry. This list_del() call triggers a KASAN warning when an\nendpoint function driver which has a configfs attribute group is torn\ndown:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in pci_epf_remove_cfs+0x17c/0x198\nWrite of size 8 at addr ffff00010f4a0d80 by task rmmod/319\n\nCPU: 3 UID: 0 PID: 319 Comm: rmmod Not tainted 6.16.0-rc2 #1 NONE\nHardware name: Radxa ROCK 5B (DT)\nCall trace:\nshow_stack+0x2c/0x84 (C)\ndump_stack_lvl+0x70/0x98\nprint_report+0x17c/0x538\nkasan_report+0xb8/0x190\n__asan_report_store8_noabort+0x20/0x2c\npci_epf_remove_cfs+0x17c/0x198\npci_epf_unregister_driver+0x18/0x30\nnvmet_pci_epf_cleanup_module+0x24/0x30 [nvmet_pci_epf]\n__arm64_sys_delete_module+0x264/0x424\ninvoke_syscall+0x70/0x260\nel0_svc_common.constprop.0+0xac/0x230\ndo_el0_svc+0x40/0x58\nel0_svc+0x48/0xdc\nel0t_64_sync_handler+0x10c/0x138\nel0t_64_sync+0x198/0x19c\n...\n\nRemove this incorrect list_del() call from pci_epf_remove_cfs()."
}
],
"id": "CVE-2025-39783",
"lastModified": "2026-06-17T09:18:28.330",
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-39783.json",
"version": "54"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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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.
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