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CVE-2026-98327 Details

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: reset the CSA state when leaving ifmsh->csa is allocated in ieee80211_mesh_csa_beacon() and only freed in ieee80211_mesh_finish_csa(), i.e. when the channel switch completes. Leaving the mesh while a switch is still pending therefore leaks it. Additionally, ifmsh->csa_role and ifmsh->chsw_ttl have their state leak in this case, so things can get mixed up in addition to the memory leak. Refactor the reset and call it in ieee80211_stop_mesh() to fix it all.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/860134b3af77970e006feab7e5decb8c84771c7f	kernel.org
https://git.kernel.org/stable/c/aba8dfb45864441199748c33ce3c1c8ca121c8bd	kernel.org
https://git.kernel.org/stable/c/ba5bf83a81e8832cb84bb3a2da67512f81f57a02	kernel.org
https://git.kernel.org/stable/c/bd3b21145ae2e781daac1bbd19216a63ab4e0cbd	kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes