CVE-2016-6350
CVE-2016-6350 is a medium-severity vulnerability in Openbsd with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.9
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Openbsd
- Published:
- Last modified:
Description
OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (NULL pointer dereference and panic) via a sysctl call with a path starting with 10,9.
Frequently asked questions
- What is CVE-2016-6350?
- OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (NULL pointer dereference and panic) via a sysctl call with a path starting with 10,9.
- How severe is CVE-2016-6350?
- CVE-2016-6350 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-6350 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6350?
- CVE-2016-6350 primarily affects Openbsd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-6350?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-6350 published?
- CVE-2016-6350 was published on 2017-03-07 and last updated on 2026-06-17.
References
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/kern/vfs_subr.c.diff?r1=1.248&r2=1.249
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/tmpfs/tmpfs_vfsops.c.diff?r1=1.9&r2=1.10
- http://www.openwall.com/lists/oss-security/2016/07/26/6
- http://www.openwall.com/lists/oss-security/2016/07/26/8
- http://www.securityfocus.com/bid/92140
Affected products (2)
- cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*
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