CVE-2023-52610
kernel: net/sched: act_ct: fix skb leak and crash on ooo frags
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 18, 2024
Updated · November 1, 2026
Description
A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user to crash or potentially escalate their privileges on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
To mitigate this issue, prevent the Conntrack module from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
CVSS / CWE
CVSS 3.1 · 6.4CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE-402 · Transmission of Private Resources into a New Sphere