HOMEVULNERABILITIESCVE-2015-8312
HIGH

CVE-2015-8312

CWE-189Published: May 13, 2016· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2015-8312 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
openafs1 product(s)
openafs
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2015-8312
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-189
CISA KEVNo
Affected2 vendor(s)
PublishedMay 13, 2016

Related CVEs (CWE-189)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-8312 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.