vulnerability
Ubuntu: (CVE-2021-47306): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | May 21, 2024 | Nov 19, 2024 | Sep 1, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
May 21, 2024
Added
Nov 19, 2024
Modified
Sep 1, 2025
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")
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4
References
- CVE-2021-47306
- https://attackerkb.com/topics/CVE-2021-47306
- CWE-416
- URL-https://git.kernel.org/linus/deb7178eb940e2c5caca1b1db084a69b2e59b4c9
- URL-https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee
- URL-https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47
- URL-https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9
- URL-https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47306
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