HIGH
security flaw
Published May 19, 2006
7.5
HIGHCVSS 2.0
EPSS 2.98%
Description
Certain modifications to the Linux kernel 2.6.16 and earlier do not add the appropriate Linux Security Modules (LSM) file_permission hooks to the (1) readv and (2) writev functions, which might allow attackers to bypass intended access restrictions.
Affected products
No data.
OR
- 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
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.6
- 2.6.7
- 2.6.7
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.9
- 2.6.10
- 2.6.10
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.11
- 2.6.11.12
- 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
- 2.6.13
- 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
- 2.6.14
- 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
- 2.6.15
- 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
- 2.6.16
- 2.6_test9_cvs
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-34.0.1.EL
Fixed · RHSA-2006:0493
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-34.0.1.EL | Fixed | RHSA-2006:0493 |
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.98% 0.02981
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02981
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 | 2.98% (0.02981) | 86.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.87% (0.02870) | 84.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.79% (0.02791) | 85.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.00% (0.02002) | 89.33th | v3 (v2023.03.01) |
| Sep 7, 2024 | 2.00% (0.02002) | 89.13th | v3 (v2023.03.01) |
| Apr 30, 2023 | 3.93% (0.03931) | 90.66th | v3 (v2023.03.01) |
| Mar 23, 2023 | 2.27% (0.02272) | 87.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.75% (0.01749) | 85.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (20)
- http://lists.jammed.com/linux-security-module/2005/09/0019.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/20237 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/20716 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21045 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21745 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/22093 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm x_refsource_CONFIRM
- http://www.debian.org/security/2006/dsa-1184 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/25747 vdb-entryx_refsource_OSVDB
- http://www.redhat.com/support/errata/RHSA-2006-0493.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/18105 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-302-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2006-1856 Vendor Advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1618066 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2006-1856
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2006-1856
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 19, 2006
Updated Aug 7, 2024
Reserved Apr 19, 2006
Link CVE-2006-1856
CISA Vulnrichment
Updated n/a