CVE-2025-39969

Summary

In the Linux kernel, the following vulnerability has been resolved:

i40e: fix validation of VF state in get resources

VF state I40E_VF_STATE_ACTIVE is not the only state in which VF is actually active so it should not be used to determine if a VF is allowed to obtain resources.

Use I40E_VF_STATE_RESOURCES_LOADED that is set only in i40e_vc_get_vf_resources_msg() and cleared during reset.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux171527da84149c2c7aa6a60a64b09d24f3546298 < 185745d56ec958bf8aa773828213237dfcc32f5aaffected
LinuxLinuxeb87117c27e729b0aeef4d72ed40d6a1761b0f68 < f47876788a23de296c42ef9d505b5c1630f0b4b8affected
LinuxLinux2132643b956f553f5abddc9bae20dae267b082e0 < 8e35c80f8570426fe0f0cc92b151ebd835975f22affected
LinuxLinux61125b8be85dfbc7e9c7fe1cc6c6d631ab603516 < 6c3981fd59ef11a75005ac9978f034da5a168b6aaffected
LinuxLinux61125b8be85dfbc7e9c7fe1cc6c6d631ab603516 < e748f1ee493f88e38b77363a60499f979d42c58aaffected
LinuxLinux61125b8be85dfbc7e9c7fe1cc6c6d631ab603516 < 6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7affected
LinuxLinux61125b8be85dfbc7e9c7fe1cc6c6d631ab603516 < a991dc56d3e9a2c3db87d0c3f03c24f6595400f1affected
LinuxLinux61125b8be85dfbc7e9c7fe1cc6c6d631ab603516 < 877b7e6ffc23766448236e8732254534c518ba42affected
LinuxLinux5.4.165 < 5.4.300affected
LinuxLinux5.10.85 < 5.10.245affected
LinuxLinux5.15.8 < 5.15.194affected
LinuxLinux5.16affected
LinuxLinux0 < 5.16unaffected
LinuxLinux5.4.300 <= 5.4.*unaffected
LinuxLinux5.10.245 <= 5.10.*unaffected
LinuxLinux5.15.194 <= 5.15.*unaffected
LinuxLinux6.1.155 <= 6.1.*unaffected
LinuxLinux6.6.109 <= 6.6.*unaffected
LinuxLinux6.12.50 <= 6.12.*unaffected
LinuxLinux6.16.10 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

References