CVE-2026-92486

bpf: Fix CFI mismatch in task work callback

N/A
Published: September 17, 2026 at 04:10 PM UTC
Updated: October 19, 2026 at 09:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

38aa7003e369802f81a078f6673d10d97013f04f6.18
Vendor states this is fixed in 2805abd089576799b15092949420e3f8ba97fabd (fixed)
Vendor states this is fixed in 85a33c910edc3651f68b17ae3c597c012545958f (fixed)
Vendor states this is fixed in a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb (fixed)
Vendor states this is fixed in 6.18 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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