发布于3月6日3月6日 Members Amazon Linux AMI: CVE-2023-1829: Security patch for kernel (ALAS-2023-1701) Severity 7 CVSS (AV:L/AC:L/Au:S/C:C/I:C/A:C) Published 03/17/2023 Created 05/05/2023 Added 05/02/2023 Modified 01/28/2025 Description A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28. Solution(s) amazon-linux-upgrade-kernel References ALAS-2023-1701 CVE-2023-1829
