UnratedFix available
usb: gadget: configfs: Fix OOB read on empty string write
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sysfs attributes, the store functions attempt to access page[l - 1] before validating that the length 'l' is greater than zero. This patch fixes the vulnerability by adding a check at the beginning of os_desc_qw_sign_store() and webusb_landingPage_store() to handle the zero-length input case gracefully by returning immediately.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.241, 5.15.190, 5.4.297, 6.1.147, 6.12.40, 6.15.8, 6.6.100
- CVEs
- CVE-2025-38497
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 17:35 UTC · Revision 1
Source evidence
usb: gadget: configfs: Fix OOB read on empty string write
core-osv · Original sourcePublished 28 Jul 2025, 11:22 UTC
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sysfs attributes, the store functions attempt to access page[l - 1] before validating that the length 'l' is greater than zero. This patch fixes the vulnerability by adding a check at the beginning of os_desc_qw_sign_store() and webusb_landingPage_store() to handle the zero-length input case gracefully by returning immediately.
osv:CVE-2025-38497
Kernel
Fixed versions: 5.4.297, 5.10.241, 5.15.190, 6.1.147, 6.6.100, 6.12.40, 6.15.8
Complete source record
{
"id": "3995672052f40ec2304f82194eb6229467b7345db38db49926b56d2216b57d5b",
"url": "https://osv.dev/vulnerability/CVE-2025-38497",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "usb: gadget: configfs: Fix OOB read on empty string write",
"summary": "In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sysfs attributes, the store functions attempt to access page[l - 1] before validating that the length 'l' is greater than zero. This patch fixes the vulnerability by adding a check at the beginning of os_desc_qw_sign_store() and webusb_landingPage_store() to handle the zero-length input case gracefully by returning immediately.",
"evidence": "osv:CVE-2025-38497",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
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"value": "5.4.297",
"evidence": "/affected/1/ranges"
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{
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"evidence": "/affected/1/ranges"
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{
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"evidence": "/affected/1/ranges"
},
{
"value": "6.1.147",
"evidence": "/affected/1/ranges"
},
{
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{
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{
"value": "6.15.8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2025-38497",
"aliases": [
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"affected": [
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"type": "GIT",
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}
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{
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{
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{
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{
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"events": [
{
"introduced": "6.7.0"
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{
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{
"type": "ECOSYSTEM",
"events": [
{
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{
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38497.json"
}
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],
"modified": "2026-10-28T02:30:31.278136686Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/15a87206879951712915c03c8952a73d6a74721e",
"https://git.kernel.org/stable/c/22b7897c289cc25d99c603f5144096142a30d897",
"https://git.kernel.org/stable/c/2798111f8e504ac747cce911226135d50b8de468",
"https://git.kernel.org/stable/c/3014168731b7930300aab656085af784edc861f6",
"https://git.kernel.org/stable/c/58bdd5160184645771553ea732da5c2887fc9bd1",
"https://git.kernel.org/stable/c/783ea37b237a9b524f1e5ca018ea17d772ee0ea0",
"https://git.kernel.org/stable/c/78b41148cfea2a3f04d87adf3a71b21735820a37",
"https://git.kernel.org/stable/c/d68b7c8fefbaeae8f065b84e40cf64baf4cc0c76",
"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38497.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-38497",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38497.json"
}
},
"related_cves": [
{
"value": "CVE-2025-38497",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 497873,
"published_at": "2025-07-28T11:22:05.855+00:00"
}