CVE-2025-68742Medium· 4.7▾ SunlitAn invalid memory access vulnerability was found in the Linux kernel's BPF cgroup subsystem. When update_effective_progs fails due to allocation failure (such as from fault injection), the code replaces the program with dummy_bpf_prog. If …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
0.2% → 0.2%
— → 4.7
none → medium
An invalid memory access vulnerability was found in the Linux kernel's BPF cgroup subsystem. When update_effective_progs fails due to allocation failure (such as from fault injection), the code replaces the program with dummy_bpf_prog. If a softirq occurs and attempts to run the BPF filter, accessing dummy_bpf_prog.prog->stats triggers an invalid memory access because the dummy program's stats pointer is NULL.
kernel: bpf: Fix invalid prog->stats access when update_effective_progs fails — rated Low by Red Hat. Released 2025-12-24, updated 2026-09-18.
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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