vulnerability
Ubuntu: (CVE-2021-47296): 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 | Sep 1, 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
Sep 1, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
vcpu_put is not called if the user copy fails. This can result in preempt
notifier corruption and crashes, among other issues.
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-2021-47296
- https://attackerkb.com/topics/CVE-2021-47296
- CWE-401
- URL-https://git.kernel.org/linus/bc4188a2f56e821ea057aca6bf444e138d06c252
- URL-https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50
- URL-https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209
- URL-https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252
- URL-https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533
- URL-https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47296
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