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Fencer Intel
medium 6.2

CVE-2015-8785 json

The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infini…

published 10y ago modified 4mo ago also EUVD-2015-8657

cvss
6.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov.

Patch / fix

  • linux linux_kernel 4.4
  • linux Debian 14, Debian 13, Debian 12 4.3.5-1

debian advisories DEBIAN-CVE-2015-8785

  • linux Ubuntu 14.04 LTS 3.13.0-79.123
  • linux-lts-wily Ubuntu 14.04 LTS 4.2.0-30.35~14.04.1
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-51.57~14.04.1
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-62.82~14.04.1

ubuntu advisories UBUNTU-CVE-2015-8785

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 12 SP1 3.12.58-14.1
  • kernel-compute SLE Real Time 12 SP1 3.12.58-14.1
  • kernel-syms-rt SLE Real Time 12 SP1 3.12.58-14.1
  • kernel-rt_debug SLE Real Time 12 SP1 3.12.58-14.1
  • kernel-source-rt SLE Real Time 12 SP1 3.12.58-14.1
  • kernel-compute_debug SLE Real Time 12 SP1 3.12.58-14.1
  • kernel-ec2 SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1
  • kernel-xen SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.79.1

suse advisories SUSE-SU-2016:2074-1SUSE-SU-2016:1764-1SUSE-SU-2016:1203-1SUSE-SU-2016:1102-1SUSE-SU-2016:0911-1SUSE-SU-2016:0785-1

Is CVE-2015-8785 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-2015-8785 updated cvss 2.1

kernel: fuse: possible denial of service in fuse_fill_write_pages()

  • 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

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition
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.