Allocation of Resources Without Limits or Throttling in Linux kernel - CVE-2026-97597
Published: September 28, 2026
Vulnerability identifier: #VU152606
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97597
CWE-ID: CWE-770
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to allocation of resources without limits in ipv6_flowlabel_get() when repeatedly requesting a shareable IPv6 flow label. A local user can submit repeated GET requests for the same shareable IPv6 flow label to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-97597
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3