What is CVE-2015-8312?

CVE-2015-8312 is a high-severity vulnerability in Openafs, classified under CWE-189. CVSS score: 7.8/10. Published 2016-05-13.

How severe is CVE-2015-8312?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Openafs

CVE-2015-8312

Off-by-one error in afs_pioctl.c in OpenAFS before 1.6.16 might allow local users to cause a denial of service (memory overwrite and system crash) via a pioctl with an input buffer size of 4096 bytes.

Published 2016-05-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Openafs
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-189

References

www.debian.org/security/2016/dsa-3569 (vendor-advisory, Third Party Advisory)
www.openafs.org/dl/1.6.16/RELNOTES-1.6.16 (Vendor Advisory)
git.openafs.org/

Frequently asked questions

What is CVE-2015-8312?: CVE-2015-8312 is a high-severity vulnerability in Openafs, classified under CWE-189. CVSS score: 7.8/10. Published 2016-05-13.
How severe is CVE-2015-8312?: High severity. CVSS v3 base score is 7.8 out of 10.