The SIOCGIFCONF ioctl (ifconf function) in FreeBSD 4.x through 4.11 and 5.x through 5.4 does not properly clear a buffer before using it, which allows local users to obtain portions of sensitive kernel memory
Published Apr 16, 2005
2.1
LOWCVSS 2.0
EPSS 0.36%
Description
The SIOCGIFCONF ioctl (ifconf function) in FreeBSD 4.x through 4.11 and 5.x through 5.4 does not properly clear a buffer before using it, which allows local users to obtain portions of sensitive kernel memory.
Affected products
No data.
- 4.0
- 4.0
- 4.0
- 4.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.2
- 4.2
- 4.3
- 4.3
- 4.3
- 4.3
- 4.3
- 4.4
- 4.4
- 4.4
- 4.4
- 4.5
- 4.5
- 4.5
- 4.5
- 4.5
- 4.6
- 4.6
- 4.6
- 4.6
- 4.6
- 4.6.2
- 4.7
- 4.7
- 4.7
- 4.7
- 4.7
- 4.8
- 4.8
- 4.8
- 4.8
- 4.9
- 4.9
- 4.9
- 4.10
- 4.10
- 4.10
- 4.11
- 5.0
- 5.0
- 5.0
- 5.0
- 5.1
- 5.1
- 5.1
- 5.1
- 5.1
- 5.2
- 5.2.1
- 5.2.1
- 5.3
- 5.3
- 5.3
- 5.3
No data.
No Red Hat product state for this CVE.
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:L/AC:L/Au:N/C:P/I:N/A:N
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00363) | 27.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.36% (0.00363) | 27.96th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (8)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:04.ifconf.asc vendor-advisoryx_refsource_FREEBSDPatchVendor Advisory
- http://lists.apple.com/archives/security-announce/2005/Oct/msg00000.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/14959 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/17368 third-party-advisoryx_refsource_SECUNIA
- http://www.osvdb.org/15514 vdb-entryx_refsource_OSVDBPatchVendor Advisory
- http://www.securityfocus.com/bid/15252 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2005/2256 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/20114 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:04.ifconf.asc | vendor-advisoryx_refsource_FREEBSDPatchVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2005/Oct/msg00000.html | vendor-advisoryx_refsource_APPLE | |
| http://secunia.com/advisories/14959 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://secunia.com/advisories/17368 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.osvdb.org/15514 | vdb-entryx_refsource_OSVDBPatchVendor Advisory | |
| http://www.securityfocus.com/bid/15252 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2005/2256 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/20114 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.