MediumFix available
linux — security advisory
In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 5.15.5-2
- CVEs
- CVE-2021-43975
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:07 UTC · Revision 1
Source evidence
In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.
osv:DEBIAN-CVE-2021-43975
linux
Fixed versions: 5.15.5-2
linux
Fixed versions: 5.15.5-2
linux
Fixed versions: 5.15.5-2
Complete source record
{
"id": "bdc1bb43df8d364f52bd9aa8b337c9bf53efcd36e51c4d5d64dcdfbf81f169b3",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-43975",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-43975",
"summary": "In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.",
"evidence": "osv:DEBIAN-CVE-2021-43975",
"products": [
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"name": {
"value": "linux",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.15.5-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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{
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"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
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"package": {
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"ecosystem": "Debian:12"
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"database_specific": {
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{
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"package": {
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"ecosystem": "Debian:13"
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"database_specific": {
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{
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"package": {
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"database_specific": {
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},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-09T09:47:28.308742811Z",
"provider": "osv",
"upstream": [
"CVE-2021-43975"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-43975"
]
},
"related_cves": [
{
"value": "CVE-2021-43975",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 111550,
"published_at": "2021-11-17T17:15:08.477+00:00"
}