CVE-2026-92486

Summary

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

bpf: Fix CFI mismatch in task work callback

BPF subprograms use the bpf_callback_t ABI, but task work invokes the callback through a three-argument function pointer. This trips kCFI.

Store and invoke the callback as bpf_callback_t.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux38aa7003e369802f81a078f6673d10d97013f04f < 85a33c910edc3651f68b17ae3c597c012545958faffected
LinuxLinux38aa7003e369802f81a078f6673d10d97013f04f < a2cbab47f44e9ea8c5a161ecba1b6bb8535771ebaffected
LinuxLinux38aa7003e369802f81a078f6673d10d97013f04f < 2805abd089576799b15092949420e3f8ba97fabdaffected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References