vulnerability
Amazon Linux AMI 2: CVE-2021-4002: Security patch for kernel, kernel-livepatch-4.14.246-187.474, kernel-livepatch-4.14.248-189.473, kernel-livepatch-4.14.252-195.481, kernel-livepatch-4.14.252-195.483, kernel-livepatch-5.10.62-55.141, kernel-livepatch-5.10.68-62.173, kernel-livepatch-5.10.75-79.358 (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | 2022-03-03 | 2022-07-04 | 2025-04-30 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
2022-03-03
Added
2022-07-04
Modified
2025-04-30
Description
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.
Solution(s)
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-4-14-246-187-474amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-246-187-474-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-248-189-473amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-248-189-473-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-252-195-481amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-252-195-481-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-252-195-483amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-252-195-483-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-4-14-256-197-484amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-62-55-141amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-62-55-141-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-5-10-68-62-173amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-68-62-173-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-5-10-75-79-358amazon-linux-ami-2-upgrade-kernel-livepatch-5-10-75-79-358-debuginfoamazon-linux-ami-2-upgrade-kernel-livepatch-5-10-82-83-359amazon-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-2021-1727
- AMAZON-AL2/ALAS-2025-2752
- AMAZON-AL2/ALASKERNEL-5.10-2022-008
- AMAZON-AL2/ALASKERNEL-5.10-2024-049
- AMAZON-AL2/ALASKERNEL-5.4-2022-010
- AMAZON-AL2/ALASKERNEL-5.4-2025-093
- AMAZON-AL2/ALASLIVEPATCH-2021-069
- AMAZON-AL2/ALASLIVEPATCH-2021-070
- AMAZON-AL2/ALASLIVEPATCH-2021-071
- AMAZON-AL2/ALASLIVEPATCH-2021-072
- AMAZON-AL2/ALASLIVEPATCH-2021-073
- AMAZON-AL2/ALASLIVEPATCH-2021-074
- AMAZON-AL2/ALASLIVEPATCH-2025-229
- CVE-2021-4002
- https://attackerkb.com/topics/CVE-2021-4002
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.