vulnerability
Ubuntu: (CVE-2021-47466): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 22, 2024 | Nov 19, 2024 | Sep 1, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 22, 2024
Added
Nov 19, 2024
Modified
Sep 1, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential memoryleak in kmem_cache_open()
In error path, the random_seq of slub cache might be leaked. Fix this
by using __kmem_cache_release() to release all the relevant resources.
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-2021-47466
- https://attackerkb.com/topics/CVE-2021-47466
- CWE-401
- URL-https://git.kernel.org/linus/9037c57681d25e4dcc442d940d6dbe24dd31f461
- URL-https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f
- URL-https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb
- URL-https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930
- URL-https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47466
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.