CVE-2026-46166

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde	Patch
https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585	Patch
https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce	Patch
https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270	Patch
https://access.redhat.com/errata/RHSA-2026:27288
https://access.redhat.com/errata/RHSA-2026:27708
https://access.redhat.com/errata/RHSA-2026:27789
https://access.redhat.com/errata/RHSA-2026:33215
https://access.redhat.com/security/cve/CVE-2026-46166
https://bugzilla.redhat.com/show_bug.cgi?id=2482645
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46166.json

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::

History

No history.

Information

Published : 2026-05-28 10:16

Updated : 2026-07-15 02:22

NVD link : CVE-2026-46166

Mitre link : CVE-2026-46166

CVE.ORG link : CVE-2026-46166

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

CWE-825

Expired Pointer Dereference

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Guard against this to avoid a\nslab-use-after-free error."}], "lastModified": "2026-07-15T02:22:11.533", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8A48616-157E-46FF-A9A9-400C7E9B0718", "versionEndExcluding": "6.12.88", "versionStartIncluding": "6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF39AE08-AE6D-4410-8FBE-76F6BF5BF55B", "versionEndExcluding": "6.18.30", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0893CA7-9AE6-4DFE-AC75-48967D73AD8E", "versionEndExcluding": "7.0.7", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}