/proc/cpuinfo DoS on some ppc machines
Published Jan 29, 2008
7.8
HIGHCVSS 2.0
EPSS 2.59%
Description
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.
Affected products
No data.
- 2.4.3
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.9_pre5
- 2.4.21
- 2.4.21
- 2.4.21
- 2.4.21
- 2.4.22
- 2.4.22
- 2.4.23
- 2.4.23
- 2.4.23_ow2
- 2.4.24
- 2.4.24_ow1
- 2.4.25
- 2.4.26
- 2.4.27
- 2.4.27
- 2.4.27
- 2.4.27
- 2.4.27
- 2.4.27
- 2.4.28
- 2.4.29
- 2.4.29
- 2.4.29
- 2.4.30
- 2.4.30
- 2.4.30
- 2.4.31
- 2.4.31
- 2.4.32
- 2.4.32
- 2.4.32
- 2.4.33
- 2.4.33
- 2.4.33.2
- 2.4.33.3
- 2.4.33.4
- 2.4.33.5
- 2.4.34
- 2.4.34
- 2.4.34.1
- 2.4.34.2
- 2.4.35
- 2.4.35.2
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.5.8
- 2.5.9
- 2.5.10
- 2.5.11
- 2.5.12
- 2.5.13
- 2.5.14
- 2.5.15
- 2.5.16
- 2.5.17
- 2.5.18
- 2.5.19
- 2.5.20
- 2.5.21
- 2.5.22
- 2.5.23
- 2.5.24
- 2.5.25
- 2.5.26
- 2.5.27
- 2.5.28
- 2.5.29
- 2.5.30
- 2.5.31
- 2.5.32
- 2.5.33
- 2.5.34
- 2.5.35
- 2.5.36
- 2.5.37
- 2.5.38
- 2.5.39
- 2.5.40
- 2.5.41
- 2.5.42
- 2.5.43
- 2.5.44
- 2.5.45
- 2.5.46
- 2.5.47
- 2.5.48
- 2.5.49
- 2.5.50
- 2.5.51
- 2.5.52
- 2.5.53
- 2.5.54
- 2.5.55
- 2.5.56
- 2.5.57
- 2.5.58
- 2.5.59
- 2.5.60
- 2.5.61
- 2.5.62
- 2.5.63
- 2.5.64
- 2.5.65
- 2.5.66
- 2.5.67
- 2.5.68
- 2.5.69
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.1
- 2.6.1
- 2.6.1
- 2.6.1
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.9
- 2.6.11.10
- 2.6.11.11
- 2.6.11.12
- 2.6.11_rc1_bk6
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.12.5
- 2.6.12.6
- 2.6.12.12
- 2.6.12.22
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13.1
- 2.6.13.2
- 2.6.13.3
- 2.6.13.4
- 2.6.13.5
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14.1
- 2.6.14.2
- 2.6.14.3
- 2.6.14.4
- 2.6.14.5
- 2.6.14.6
- 2.6.14.7
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15.1
- 2.6.15.2
- 2.6.15.3
- 2.6.15.4
- 2.6.15.5
- 2.6.15.6
- 2.6.15.7
- 2.6.15.11
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16.1
- 2.6.16.2
- 2.6.16.3
- 2.6.16.4
- 2.6.16.5
- 2.6.16.6
- 2.6.16.7
- 2.6.16.8
- 2.6.16.9
- 2.6.16.10
- 2.6.16.11
- 2.6.16.12
- 2.6.16.13
- 2.6.16.14
- 2.6.16.15
- 2.6.16.16
- 2.6.16.17
- 2.6.16.18
- 2.6.16.19
- 2.6.16.20
- 2.6.16.21
- 2.6.16.22
- 2.6.16.23
- 2.6.16.24
- 2.6.16.25
- 2.6.16.26
- 2.6.16.27
- 2.6.16.28
- 2.6.16.29
- 2.6.16.30
- 2.6.16.31
- 2.6.16.32
- 2.6.16.33
- 2.6.16.34
- 2.6.16.35
- 2.6.16.36
- 2.6.16.37
- 2.6.16.38
- 2.6.16.39
- 2.6.16.40
- 2.6.16.41
- 2.6.16.43
- 2.6.16.44
- 2.6.16.45
- 2.6.16.46
- 2.6.16.47
- 2.6.16.48
- 2.6.16.49
- 2.6.16.50
- 2.6.16.51
- 2.6.16.52
- 2.6.16.53
- 2.6.16_rc7
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17
- 2.6.17.1
- 2.6.17.2
- 2.6.17.3
- 2.6.17.4
- 2.6.17.5
- 2.6.17.6
- 2.6.17.7
- 2.6.17.8
- 2.6.17.9
- 2.6.17.10
- 2.6.17.11
- 2.6.17.12
- 2.6.17.13
- 2.6.17.14
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18.1
- 2.6.18.2
- 2.6.18.3
- 2.6.18.4
- 2.6.18.5
- 2.6.18.6
- 2.6.18.7
- 2.6.18.8
- 2.6_test9_cvs
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-67.0.4.EL
Fixed · RHSA-2008:0055
Red Hat Enterprise Linux 5
kernel-0:2.6.18-53.1.14.el5
Fixed · RHSA-2008:0154
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-67.0.4.EL | Fixed | RHSA-2008:0055 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-53.1.14.el5 | Fixed | RHSA-2008:0154 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.59% (0.02589) | 84.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.59% (0.02589) | 83.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.32% (0.01321) | 78.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (22)
- http://marc.info/?l=linux-kernel&m=119576191029571&w=2 mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2008-0055.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/28696 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28748 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29058 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29236 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30018 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30515 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30769 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2008/dsa-1503 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1504 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1565 vendor-advisoryx_refsource_DEBIAN
- http://www.redhat.com/support/errata/RHSA-2008-0154.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/27555 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-618-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2008/0380 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-6694 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=396751 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-6694
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11215 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/614-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2007-6694
Change history (0)
No recorded changes yet.