LOW
kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory
Published Apr 14, 2006
2.1
LOWCVSS 2.0
EPSS 0.34%
Description
kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.
Affected products
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.
2.1 LOW NVD
AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.34% 0.00343
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00343
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 | 0.34% (0.00343) | 25.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00343) | 25.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00079) | 21.04th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (7)
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c x_refsource_CONFIRMPatch
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h x_refsource_CONFIRMPatch
- http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html mailing-listx_refsource_MLIST
- http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727 x_refsource_CONFIRMPatch
- http://securitytracker.com/id?1015132 vdb-entryx_refsource_SECTRACKPatch
- http://www.osvdb.org/20729 vdb-entryx_refsource_OSVDBPatch
- http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt vendor-advisoryx_refsource_NETBSDPatch
| Link | Providers | Tags |
|---|---|---|
| http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c | x_refsource_CONFIRMPatch | |
| http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h | x_refsource_CONFIRMPatch | |
| http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html | mailing-listx_refsource_MLIST | |
| http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727 | x_refsource_CONFIRMPatch | |
| http://securitytracker.com/id?1015132 | vdb-entryx_refsource_SECTRACKPatch | |
| http://www.osvdb.org/20729 | vdb-entryx_refsource_OSVDBPatch | |
| http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt | vendor-advisoryx_refsource_NETBSDPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 14, 2006
Updated Sep 17, 2024
Reserved Apr 13, 2006
Link CVE-2005-4783
CISA Vulnrichment
Updated n/a