CVE-2026-98860Low· 1.9▾ SunlitA flaw was found in the Linux kernel's Human Interface Device (HID) subsystem. This flaw can lead to information disclosure when hardware communication errors occur. Due to an improper integer comparison in the Berkeley Packet Filter (BPF)…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 10.5 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 1.9
none → low
A flaw was found in the Linux kernel's Human Interface Device (HID) subsystem. This flaw can lead to information disclosure when hardware communication errors occur. Due to an improper integer comparison in the Berkeley Packet Filter (BPF) handler, negative error return codes are mistakenly treated as a valid buffer size, causing failed device requests to be reported as successful. A local user running BPF programs can leverage this issue to process unmodified buffers containing uninitialized or stale data.
kernel: HID: bpf: cast size to ssize_t when checking hid_bpf_hw_request — rated Low by Red Hat. Released 2026-10-18, updated 2026-10-24.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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