In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix ext PHY use-after-free on register error path After… (CVE-2026-90353)
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix ext PHY use-after-free on register error path After mt7915_register_ext_phy() succeeded, a failure of the main PHY mt7915_init_debugfs() or mt7915_coredump_register() unwound through free_phy2, which called ieee80211_free_hw() on the ext PHY hw while it was still registered with mac80211, since mt76_unregister_device() only unregisters the main hw. Unregister the ext PHY (thermal + phy + hw) first and skip the redundant free.
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix ext PHY use-after-free on register error path After… (CVE-2026-90353)
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix ext PHY use-after-free on register error path After mt7915_register_ext_phy() succeeded, a failure of the main PHY mt7915_init_debugfs() or mt7915_coredump_register() unwound through free_phy2, which called ieee80211_free_hw() on the ext PHY hw while it was still registered with mac80211, since mt76_unregister_device() only unregisters the main hw. Unregister the ext PHY (thermal + phy + hw) first and skip the redundant free.
CVSS v3.1
Score 7.0high
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-r94p-vpq4-r3gx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-90353"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6aade51d55bf5e2cf5edc0b3
Added to database: 09/19/2026, 01:27:57 UTC
Last updated: 09/19/2026, 01:27:57 UTC
Views: 1
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