Type conversion in Linux kernel - CVE-2026-97417
Published: September 25, 2026
Vulnerability identifier: #VU152050
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97417
CWE-ID: CWE-704
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to trigger an unaligned memory access.
The vulnerability exists due to an unsafe pointer cast in the tcp_sack() timestamp-only fast path when processing TCP options. A remote attacker can send a TCP packet containing unaligned options to trigger an unaligned memory access.
Affected software
Linux kernel
How to mitigate CVE-2026-97417
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3