vulnerability
Amazon Linux AMI 2: CVE-2021-47177: Security patch for kernel (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 25, 2024 | Aug 2, 2024 | May 20, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Mar 25, 2024
Added
Aug 2, 2024
Modified
May 20, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
iommu/vt-d: Fix sysfs leak in alloc_iommu()
iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent
errors.
Solutions
amazon-linux-ami-2-upgrade-bpftoolamazon-linux-ami-2-upgrade-bpftool-debuginfoamazon-linux-ami-2-upgrade-kernelamazon-linux-ami-2-upgrade-kernel-debuginfoamazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64amazon-linux-ami-2-upgrade-kernel-develamazon-linux-ami-2-upgrade-kernel-headersamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-238-182-421amazon-linux-ami-2-upgrade-kernel-toolsamazon-linux-ami-2-upgrade-kernel-tools-debuginfoamazon-linux-ami-2-upgrade-kernel-tools-develamazon-linux-ami-2-upgrade-perfamazon-linux-ami-2-upgrade-perf-debuginfoamazon-linux-ami-2-upgrade-python-perfamazon-linux-ami-2-upgrade-python-perf-debuginfo
References
- AMAZON-AL2/ALAS-2021-1685
- AMAZON-AL2/ALAS2KERNEL-5.10-2022-002
- AMAZON-AL2/ALAS2KERNEL-5.4-2022-004
- AMAZON-AL2/ALASKERNEL-5.10-2022-002
- AMAZON-AL2/ALASKERNEL-5.4-2022-004
- CVE-2021-47177
- https://attackerkb.com/topics/CVE-2021-47177
- CWE-401
- EUVD-EUVD-2021-33825
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-33825
Rapid7 Labs
2026 Global Threat Landscape Report
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