In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: Fix use after free for wext
Key information in wext.connect is not reset on (re)connect and can hold data from a previous connection.
Reset key data to avoid that drivers or mac80211 incorrectly detect a WEP connection request and access the freed or already reused memory.
Additionally optimize cfg80211_sme_connect() and avoid an useless schedule of conn_work.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-riscv-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.15Upgrade linux-awsUpgrade linux-intel-iotg-5.15Upgrade linux-raspiUpgrade linux-oracle-5.4Upgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-nvidia-tegraUpgrade linux-iotUpgrade linux-aws-5.15Upgrade linux-gcpUpgrade linux-aws-5.4Upgrade linux-gkeUpgrade linux-nvidia-tegra-5.15Upgrade linux-bluefieldUpgrade linux-realtimeUpgrade linux-raspi-5.4Upgrade linux-gcp-5.15Upgrade linux-ibmUpgrade linux-xilinx-zynqmpUpgrade linuxUpgrade linux-azure-5.15Upgrade linux-oracle-5.15Upgrade linux-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-hwe-5.4Upgrade linux-azure-5.4Upgrade linux-nvidiaUpgrade linux-gcp-5.4Upgrade linux-ibm-5.4Upgrade linux-kvmUpgrade linux-lowlatencyUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-azure-fipsUpgrade linux-gkeopUpgrade linux-gcp-fips | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 15, 2025 |
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