CVEvulnerability
CVE-2021-47306
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
In the Linux kernel, the following vulnerability has been resolved:
net: fddi: fix UAF in fza_probe
fp is netdev private data and it cannot be
used after free_netdev() call. Using fp after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() after error message.
TURBOchannel adapter")
Affected configurations
• linux linux kernel (>= 4.20 < 5.4.135)
• linux linux kernel (>= 5.5 < 5.10.53)
• linux linux kernel (>= 5.11 < 5.13.5)
• linux linux kernel 5.14
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee Patch
- https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 Patch
- https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 Patch
- https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf Patch
- https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee Patch
- https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 Patch
- https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 Patch
- https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf Patch