Out-of-bounds read in Linux kernel - CVE-2026-97954

 

Out-of-bounds read in Linux kernel - CVE-2026-97954

Published: September 28, 2026


Vulnerability identifier: #VU152511
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97954
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to corrupt the TCP RDS stream.

The vulnerability exists due to an out-of-bounds read in rds_message_map_pages() when transmitting RDS-TCP data on systems with page sizes greater than 8192 bytes. A remote attacker can trigger transmission of the congestion map to corrupt the TCP RDS stream.


Affected software

Linux kernel

How to mitigate CVE-2026-97954

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins