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Fencer Intel
low 2.1

CVE-2015-6252 json

The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (mem…

published 11y ago modified 4mo ago also EUVD-2015-6194

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.1.5-1

debian advisories DEBIAN-CVE-2015-6252

  • linux Ubuntu 14.04 LTS 3.13.0-65.105
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-30.33~14.04.1
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-51.69~14.04.1

ubuntu advisories UBUNTU-CVE-2015-6252

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-syms-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.1
  • kernel-rt_trace SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-source-rt SLE Real Time 11 SP3 3.0.101.rt130-0.33.44.2
  • kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-45.1
  • kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-45.1
  • kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-45.1
  • kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-45.1

suse advisories SUSE-SU-2016:2074-1SUSE-SU-2016:0354-1SUSE-SU-2015:2167-1SUSE-SU-2015:2108-1SUSE-SU-2015:1727-1SUSE-SU-2015:1678-1

Is CVE-2015-6252 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-6252 updated cvss 1.5

kernel: vhost fd leak in ioctl VHOST_SET_LOG_FD

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 4 kernel Red Hat Enterprise Linux 5 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.