CVE-2026-92486
bpf: Fix CFI mismatch in task work callback
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.52, 7.2.6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 38aa7003e369802f81a078f6673d10d97013f04f · fixed in 85a33c910edc3651f68b17ae3c597c012545958f; From 38aa7003e369802f81a078f6673d10d97013f04f · fixed in a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb; From 38aa7003e369802f81a078f6673d10d97013f04f · fixed in 2805abd089576799b15092949420e3f8ba97fabd
- Linux Linux
6.18
- KernelLinux
From 6.18.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6