CVE-2026-98816Medium· 4.1▾ SunlitA flaw was found in the Linux kernel's BPF (Berkeley Packet Filter) subsystem. An integer overflow occurs in the constant blinding mechanism when calculating backward jump offsets during BPF program hardening. A local attacker capable of l…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22.5 · 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
— → 4.1
none → medium
A flaw was found in the Linux kernel's BPF (Berkeley Packet Filter) subsystem. An integer overflow occurs in the constant blinding mechanism when calculating backward jump offsets during BPF program hardening. A local attacker capable of loading BPF programs could exploit this issue to jump beyond program boundaries, causing a kernel crash and resulting in a Denial of Service (DoS).
kernel: bpf: Fix overflow of jump offset in constant blinding — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
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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