CVE-2026-23420 (GCVE-0-2026-23420)
Vulnerability from cvelistv5
Published
2026-04-03 13:24
Modified
2026-04-18 08:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: wlcore: Fix a locking bug
Make sure that wl->mutex is locked before it is unlocked. This has been
detected by the Clang thread-safety analyzer.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 Version: 45aa7f071b06c8481afed4c7b93e07c9584741e8 |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ti/wlcore/main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4ae8faf31b24c78653f4433298ee52813a56967a",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "fc404390a386404cf9822d4091ccae1f61efcbcd",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "7ab511003c5ae3bf5364d7699a2e3ab1db513680",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "aca4c9e4901b01b8b985993dc7df80bd1d1338bd",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "5feeea59ed142e15c3284d0b1a364c6786bf3487",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "fcef983ad88832f3aa83491a174c345de57afbbd",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "1a1c28a08d74716f3f8e3a21c86b30d0ff13521a",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
},
{
"lessThan": "72c6df8f284b3a49812ce2ac136727ace70acc7c",
"status": "affected",
"version": "45aa7f071b06c8481afed4c7b93e07c9584741e8",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ti/wlcore/main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.19"
},
{
"lessThan": "4.19",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.253",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.77",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.17",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.253",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.203",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.167",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.130",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.77",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.17",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.7",
"versionStartIncluding": "4.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0",
"versionStartIncluding": "4.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: Fix a locking bug\n\nMake sure that wl-\u003emutex is locked before it is unlocked. This has been\ndetected by the Clang thread-safety analyzer."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-18T08:58:48.786Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4ae8faf31b24c78653f4433298ee52813a56967a"
},
{
"url": "https://git.kernel.org/stable/c/fc404390a386404cf9822d4091ccae1f61efcbcd"
},
{
"url": "https://git.kernel.org/stable/c/7ab511003c5ae3bf5364d7699a2e3ab1db513680"
},
{
"url": "https://git.kernel.org/stable/c/aca4c9e4901b01b8b985993dc7df80bd1d1338bd"
},
{
"url": "https://git.kernel.org/stable/c/5feeea59ed142e15c3284d0b1a364c6786bf3487"
},
{
"url": "https://git.kernel.org/stable/c/fcef983ad88832f3aa83491a174c345de57afbbd"
},
{
"url": "https://git.kernel.org/stable/c/1a1c28a08d74716f3f8e3a21c86b30d0ff13521a"
},
{
"url": "https://git.kernel.org/stable/c/72c6df8f284b3a49812ce2ac136727ace70acc7c"
}
],
"title": "wifi: wlcore: Fix a locking bug",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23420",
"datePublished": "2026-04-03T13:24:29.681Z",
"dateReserved": "2026-01-13T15:37:46.014Z",
"dateUpdated": "2026-04-18T08:58:48.786Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…