vulnerability
Amazon Linux AMI: CVE-2023-3772: Security patch for kernel (ALAS-2023-1838)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:M/C:N/I:N/A:C) | Jul 25, 2023 | Oct 7, 2023 | May 21, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
Jul 25, 2023
Added
Oct 7, 2023
Modified
May 21, 2025
Description
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
Solution
amazon-linux-upgrade-kernel
References
Rapid7 Labs
2026 Global Threat Landscape Report
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