CVE-2025-71227

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't WARN for connections on invalid channels It's not clear (to me) how exactly syzbot managed to hit this, but it seems conceivable that e.g. regulatory changed and has disabled a channel between scanning (channel is checked to be usable by cfg80211_get_ies_channel_number) and connecting on the channel later. With one scenario that isn't covered elsewhere described above, the warning isn't good, replace it with a (more informative) error message.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/10d3ff7e5812c8d70300f6fa8f524009a06aa7e1	Patch
https://git.kernel.org/stable/c/579cf5939f8f4c4f88c75862d0c573fb13567b74
https://git.kernel.org/stable/c/6acc2d23f13d60874981b4828ba156ba01c86510
https://git.kernel.org/stable/c/99067b58a408a384d2a45c105eb3dce980a862ce	Patch
https://git.kernel.org/stable/c/c02b1d244a5d799696ca74d3fba6539c8d76195f

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.19:rc3::::::

History

30 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/6acc2d23f13d60874981b4828ba156ba01c86510 -

21 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/579cf5939f8f4c4f88c75862d0c573fb13567b74 - () https://git.kernel.org/stable/c/c02b1d244a5d799696ca74d3fba6539c8d76195f -

Information

Published : 2026-02-18 15:18

Updated : 2026-11-05 22:17

NVD link : CVE-2025-71227

Mitre link : CVE-2025-71227

CVE.ORG link : CVE-2025-71227

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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"product": "Linux", "versions": [{"status": "affected", "version": "f2d9d270c15ae0139b54a7e7466d738327e97e03", "lessThan": "6acc2d23f13d60874981b4828ba156ba01c86510", "versionType": "git"}, {"status": "affected", "version": "f2d9d270c15ae0139b54a7e7466d738327e97e03", "lessThan": "c02b1d244a5d799696ca74d3fba6539c8d76195f", "versionType": "git"}, {"status": "affected", "version": "f2d9d270c15ae0139b54a7e7466d738327e97e03", "lessThan": "579cf5939f8f4c4f88c75862d0c573fb13567b74", "versionType": "git"}, {"status": "affected", "version": "f2d9d270c15ae0139b54a7e7466d738327e97e03", "lessThan": "10d3ff7e5812c8d70300f6fa8f524009a06aa7e1", "versionType": "git"}, {"status": "affected", "version": "f2d9d270c15ae0139b54a7e7466d738327e97e03", "lessThan": "99067b58a408a384d2a45c105eb3dce980a862ce", "versionType": "git"}], "programFiles": ["net/mac80211/mlme.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.8"}, {"status": "unaffected", "version": "0", "lessThan": "3.8", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.114", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.10", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/mac80211/mlme.c"], "defaultStatus": "affected"}]}], "published": "2026-02-18T15:18:40.563", "references": [{"url": "https://git.kernel.org/stable/c/10d3ff7e5812c8d70300f6fa8f524009a06aa7e1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/579cf5939f8f4c4f88c75862d0c573fb13567b74", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6acc2d23f13d60874981b4828ba156ba01c86510", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/99067b58a408a384d2a45c105eb3dce980a862ce", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c02b1d244a5d799696ca74d3fba6539c8d76195f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: don't WARN for connections on invalid channels\n\nIt's not clear (to me) how exactly syzbot managed to hit this,\nbut it seems conceivable that e.g. regulatory changed and has\ndisabled a channel between scanning (channel is checked to be\nusable by cfg80211_get_ies_channel_number) and connecting on\nthe channel later.\n\nWith one scenario that isn't covered elsewhere described above,\nthe warning isn't good, replace it with a (more informative)\nerror message."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: mac80211: no advertir para conexiones en canales inv\u00e1lidos\n\nNo est\u00e1 claro (para m\u00ed) c\u00f3mo exactamente syzbot logr\u00f3 activar esto,\npero parece concebible que, por ejemplo, la regulaci\u00f3n cambi\u00f3 y ha\ndeshabilitado un canal entre el escaneo (se verifica que el canal sea\nutilizable por cfg80211_get_ies_channel_number) y la conexi\u00f3n en\nel canal m\u00e1s tarde.\n\nCon un escenario que no est\u00e1 cubierto en otro lugar descrito anteriormente,\nla advertencia no es buena, reempl\u00e1zala con un mensaje de error (m\u00e1s informativo)."}], "lastModified": "2026-11-05T22:17:39.423", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F873268-7218-45AB-893B-13DC64693383", "versionEndExcluding": "6.18.10", "versionStartIncluding": "3.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}