CVE-2023-31284

7.8 highEPSS 0.3%

High (7.8) in illumos illumos-gate. EPSS 0.3% chance of exploitation in the next 30 days.

illumos illumos-gate before 676abcb has a stack buffer overflow in /dev/net, leading to privilege escalation via a stat on a long file name in /dev/net.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-05-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

illumos:illumos-gate

References

http://www.openwall.com/lists/oss-security/2023/09/13/4
http://www.openwall.com/lists/oss-security/2023/09/13/5
http://www.openwall.com/lists/oss-security/2023/09/14/4
https://github.com/illumos/illumos-gate/tree/16b76d3cb933ff92018a2a75594449010192eacb
https://illumos.topicbox.com/groups/developer/T13ef186a53edeb5c-M821cc18b5884e04e16daa8fd/cve-2023-31284-buffer-overflow-in-dev-net

Check your stack JSON