vulnerability
Ubuntu: (CVE-2021-47332): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 21, 2024 | Nov 19, 2024 | Jun 26, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 21, 2024
Added
Nov 19, 2024
Modified
Jun 26, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usx2y: Don't call free_pages_exact() with NULL address
Unlike some other functions, we can't pass NULL pointer to
free_pages_exact(). Add a proper NULL check for avoiding possible
Oops.
Solution(s)
no-fix-ubuntu-packageubuntu-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-2021-47332
- https://attackerkb.com/topics/CVE-2021-47332
- URL-https://git.kernel.org/linus/cae0cf651adccee2c3f376e78f30fbd788d0829f
- URL-https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d
- URL-https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196
- URL-https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19
- URL-https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a
- URL-https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47332
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