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.
Published: 2026-09-17
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Thu, 17 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title bpf: Fix CFI mismatch in task work callback
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-09-17T16:10:01.654Z

Reserved: 2026-09-16T12:21:13.870Z

Link: CVE-2026-92486

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-17T17:17:50.697

Modified: 2026-09-17T17:17:50.697

Link: CVE-2026-92486

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses

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