CVE-2023-53153
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/015b8cc5e7c4d7bb671f1984d7b7338c310b185b ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/015b8cc5e7c4d7bb671f1984d7b7338c310b185bPatch
- https://git.kernel.org/stable/c/22dfb21bf1cd876616d45cda1bc6daa89eec6747Patch
- https://git.kernel.org/stable/c/2cfe78619b0de6d2da773978bc2d22797212eaa7Patch
- https://git.kernel.org/stable/c/66af4a2ab1d65d556d638cb9555a3b823c2557a9Patch
- https://git.kernel.org/stable/c/6f1959c17d4cb5b74af6fc31dc787e1dc3e4f6e2Patch
- https://git.kernel.org/stable/c/a2a92b3e9d8e03ee3f9ee407fc46a9b4bd02d8b6Patch
- https://git.kernel.org/stable/c/f4b6a138efb8a32507b8946104e32cb926308da7Patch
- https://git.kernel.org/stable/c/fd081afd21eb35b968b0330700c43ec94986e1c4Patch