CVE-2026-53223
kernel: net: guard timestamp cmsgs to real error queue skbs
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 25, 2026
Updated · September 17, 2026
Description
A flaw was found in the Linux kernel's networking component. This vulnerability allows a remote attacker to potentially access sensitive information or cause system instability. By sending specially crafted network packets, an attacker can exploit an issue in how the kernel handles timestamping for certain network traffic. This can lead to the disclosure of memory contents or trigger memory corruption.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read