Out-of-bounds write in Linux kernel - CVE-2026-98096

 

Out-of-bounds write in Linux kernel - CVE-2026-98096

Published: September 28, 2026


Vulnerability identifier: #VU152359
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98096
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause memory corruption or a denial of service.

The vulnerability exists due to improper network header offset restoration in the Linux kernel ipv6_srh_rcv() function when processing IPv6 Segment Routing Header packets preceded by another extension header. A remote attacker can send a specially crafted IPv6 packet to cause memory corruption or a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-98096

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins