Skip to content
Fencer Vulns
high 7.8

CVE-2007-6694 json

The chrp_show_cpuinfo function (chrp/setup.c) in Linux kernel 2.4.21 through 2.6.18-53, when running on PowerPC, might allow local users to…

published 2008-01-29 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6658

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

The chrp_show_cpuinfo function (chrp/setup.c) in Linux kernel 2.4.21 through 2.6.18-53, when running on PowerPC, might allow local users to cause a denial of service (crash) via unknown vectors that cause the of_get_property function to fail, which triggers a NULL pointer dereference.

Patch / fix

  • kernel RHEL 5 2.6.18-53.1.14.el5
  • kernel-PAE RHEL 5 2.6.18-53.1.14.el5
  • kernel-xen RHEL 5 2.6.18-53.1.14.el5
  • kernel-kdump RHEL 5 2.6.18-53.1.14.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-53.1.14.el5
  • kernel RHEL 4 2.6.9-67.0.4.EL
  • kernel-smp RHEL 4 2.6.9-67.0.4.EL
  • kernel-xenU RHEL 4 2.6.9-67.0.4.EL

red hat advisories RHSA-2008:0154RHSA-2008:0055

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-2007-6694 updated

/proc/cpuinfo DoS on some ppc machines

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-53.1.14.el5, kernel-PAE 2.6.18-53.1.14.el5, kernel-xen 2.6.18-53.1.14.el5, kernel-kdump 2.6.18-53.1.14.el5, kernel-debuginfo-common 2.6.18-53.1.14.el5
    fixed: vendor fix RHSA-2008:0154
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-53.1.14.el5, kernel-PAE 2.6.18-53.1.14.el5, kernel-xen 2.6.18-53.1.14.el5, kernel-kdump 2.6.18-53.1.14.el5, kernel-debuginfo-common 2.6.18-53.1.14.el5
    fixed: vendor fix RHSA-2008:0154
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055

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

2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Vulns 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.