CVE-2026-98908
kernel: net: microchip: sparx5: clean up PSFP resources on flower setup failure
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 23, 2026
Updated · October 27, 2026
Description
A flaw was found in the Linux kernel's Microchip Sparx5 network driver. When configuring traffic control rules with Per-Stream Filtering and Policing (PSFP), the driver fails to properly unwind allocated resources and correct reference counts if a setup step fails. A privileged local user could exploit this flaw by repeatedly triggering failed setup operations, causing a resource leak that may lead to a Denial of Service (DoS).
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 · 2.3CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE-772 · Missing Release of Resource after Effective Lifetime