CVE-2018-25020
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-25020
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-25020.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.17.3-1 |
| debian | bullseye | fixed | 4.17.3-1 |
| debian | forky | fixed | 4.17.3-1 |
| debian | sid | fixed | 4.17.3-1 |
| debian | trixie | fixed | 4.17.3-1 |
References
Verify integrity in audit chain (admin only). AS-IS.