MEDIUM
fib_semantics.c out of bounds access vulnerability
Published Apr 22, 2007
4.7
MEDIUMCVSS 2.0
EPSS 0.43%
Description
A typo in Linux kernel 2.6 before 2.6.21-rc6 and 2.4 before 2.4.35 causes RTA_MAX to be used as an array size instead of RTN_MAX, which leads to an "out of bound access" by the (1) dn_fib_props (dn_fib.c, DECNet) and (2) fib_props (fib_semantics.c, IPv4) functions.
Affected products
No data.
Configuration 1
OR
- ≥ 2.4.0 · < 2.4.35
- ≥ 2.6.0 · ≤ 2.6.20
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
- 2.6.21
Configuration 2
OR
- 3.1
- 4.0
Configuration 3
OR
- 6.06
- 6.10
- 7.04
No data.
Red Hat Enterprise Linux 2.1
kernel-0:2.4.18-e.67
Fixed · RHSA-2008:0787
Red Hat Enterprise Linux 2.1
kernel-0:2.4.9-e.74
Fixed · RHSA-2009:0001
Red Hat Enterprise Linux 3
kernel-0:2.4.21-53.EL
Fixed · RHSA-2007:1049
Red Hat Enterprise Linux 4
kernel-0:2.6.9-55.0.2.EL
Fixed · RHSA-2007:0488
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.4.el5
Fixed · RHSA-2007:0347
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 2.1 | kernel-0:2.4.18-e.67 | Fixed | RHSA-2008:0787 |
| Red Hat Enterprise Linux 2.1 | kernel-0:2.4.9-e.74 | Fixed | RHSA-2009:0001 |
| Red Hat Enterprise Linux 3 | kernel-0:2.4.21-53.EL | Fixed | RHSA-2007:1049 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-55.0.2.EL | Fixed | RHSA-2007:0488 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.4.el5 | Fixed | RHSA-2007:0347 |
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.
4.7 MEDIUM NVD
AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.43% 0.00431
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00431
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00431) | 35.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00431) | 34.19th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00102) | 43.49th | v3 (v2023.03.01) |
| Jun 17, 2024 | 0.10% (0.00105) | 43.11th | v3 (v2023.03.01) |
| Dec 10, 2023 | 0.07% (0.00072) | 29.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | 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) |
Weaknesses (1)
References (36)
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.21-rc6 x_refsource_CONFIRMVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2007-0488.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/25068 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/25288 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/25392 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/25838 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/26289 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/26450 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/26620 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/26647 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/27913 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/29058 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/33280 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2007/dsa-1356 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2007/dsa-1363 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2008/dsa-1503 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2008/dsa-1504 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35 x_refsource_CONFIRMVendor Advisory
- http://www.mail-archive.com/git-commits-head%40vger.kernel.org/msg08269.html x_refsource_CONFIRM
- http://www.mail-archive.com/git-commits-head%40vger.kernel.org/msg08270.html x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:216 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2007-0347.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2007-1049.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0787.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/23447 vdb-entryx_refsource_BIDPatchThird Party AdvisoryVDB EntryVendor Advisory
- http://www.ubuntu.com/usn/usn-464-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2007/2690 vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2007-2172 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=250429 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33979 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2007-2172
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10764 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2007-2172
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 22, 2007
Updated Aug 7, 2024
Reserved Apr 22, 2007
Link CVE-2007-2172
CISA Vulnrichment
Updated n/a