PatchTheCVECVE-2023-31284: illumos illumos-gate before 676abcb has a stack buffer overflow in /dev/net, leading to privilege escalation v
CVE-2023-31284 is a high-severity flaw (CVSS 7.8) affecting illumos-gate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 80%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2023-05-04 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-31284?
illumos-gate: upgrade to 2023-04-29. Exact commands for each OS are on this page.
Is CVE-2023-31284 being exploited?
CVE-2023-31284 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-31284 affect?
CVE-2023-31284 affects illumos-gate. Severity is high (CVSS 7.8). 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.
How urgent is CVE-2023-31284?
Priority 32/100. High severity