Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: drop short frames While technically some control frames like ACK are shorter and end after Address 1, such frames shouldn't be forwarded through wmediumd or similar userspace, so require the full 3-address header to avoid accessing invalid memory if shorter frames are passed in.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.4.257 |
References
- https://git.kernel.org/stable/c/3beb97bed860d95b14ad23578ce8ddaea62023dbPatch
- https://git.kernel.org/stable/c/672205c6f2d11978fcd7f0f336bb2c708e28874bPatch
- https://git.kernel.org/stable/c/89a41ed7f21476301659ebd25ccb48a60791c1a7Patch
- https://git.kernel.org/stable/c/b9a175e3b250b0dc6e152988040aa5014e98e61ePatch
- https://git.kernel.org/stable/c/c64ee9dd335832d5e2ab0a8fc83a34ad4c729799Patch
- https://git.kernel.org/stable/c/fba360a047d5eeeb9d4b7c3a9b1c8308980ce9a6Patch
FAQ
What is CVE-2023-53321?
CVE-2023-53321 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: drop short frames While technically some control frames like ACK are shorter and end after Address 1, such f...
How severe is CVE-2023-53321?
CVE-2023-53321 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-53321?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.