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Fencer Intel
low 3.6

CVE-2012-5638 json

The setup_logging function in log.h in SANLock uses world-writable permissions for /var/log/sanlock.log, which allows local users to overwr…

published 2012-12-20 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5522

cvss
3.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

The setup_logging function in log.h in SANLock uses world-writable permissions for /var/log/sanlock.log, which allows local users to overwrite the file content or bypass intended disk-quota restrictions via standard filesystem write operations.

Patch / fix

  • sanlock Debian 14, Debian 13, Debian 12 2.2-2

debian advisories DEBIAN-CVE-2012-5638

  • sos storage 2.0 2.2-17.2.el6rhs
  • rhsc storage 2.0 2.0.techpreview1-4.el6rhs
  • vdsm storage 2.0 4.9.6-20.el6rhs
  • augeas storage 2.0 0.9.0-1.el6
  • libvirt storage 2.0 0.9.10-21.el6_3.8
  • sanlock storage 2.0, RHEL 6 2.3-4.el6_3
  • vdsm-cli storage 2.0 4.9.6-20.el6rhs
  • vdsm-reg storage 2.0 4.9.6-20.el6rhs

red hat advisories RHSA-2013:0691RHBA-2012:1507

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-2012-5638 updated cvss 2.1

sanlock world writable /var/log/sanlock.log

  • Red Hat Enterprise Linux 6 sanlock, sanlock-lib, fence-sanlock, sanlock-python
    affected: no fix available
  • Red Hat Storage 2.0 Console vdsm 4.9.6-20.el6rhs, rhsc 2.0.techpreview1-4.el6rhs, vdsm-bootstrap 4.9.6-20.el6rhs, rhsc-setup 2.0.techpreview1-4.el6rhs, rhsc-config 2.0.techpreview1-4.el6rhs, rhsc-backend 2.0.techpreview1-4.el6rhs, +8 more Red Hat Storage Native Client for Red Hat Enterprise Linux 5 glusterfs 3.3.0.7rhs-1.el5, glusterfs-fuse 3.3.0.7rhs-1.el5, glusterfs-rdma 3.3.0.7rhs-1.el5 Red Hat Storage Native Client for Red Hat Enterprise Linux 6 glusterfs 3.3.0.7rhs-1.el6, glusterfs-fuse 3.3.0.7rhs-1.el6, glusterfs-rdma 3.3.0.7rhs-1.el6 Red Hat Storage Server 2.0 augeas 0.9.0-1.el6, sanlock 2.3-4.el6_3, sos 2.2-17.2.el6rhs, vdsm 4.9.6-20.el6rhs, augeas-libs 0.9.0-1.el6, sanlock-lib 2.3-4.el6_3, +29 more
    fixed: vendor fix RHSA-2013:0691
  • Red Hat RHEV Agents (vdsm) sanlock 2.3-4.el6_3, sanlock-lib 2.3-4.el6_3, sanlock-python 2.3-4.el6_3
    fixed: vendor fix RHBA-2012:1507

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

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.