CVE-2006-1856
Summary
| CVE | CVE-2006-1856 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2006-05-19 23:02:00 UTC |
| Updated | 2025-04-03 01:03:51 UTC |
| 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. |
Risk And Classification
Primary CVSS: v2.0 7.5 from [email protected]
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS: 0.023100000 probability, percentile 0.847890000 (date 2026-04-20)
Problem Types: NVD-CWE-Other | n/a
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | 2.6.0 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test10 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test11 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test5 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test6 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test7 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test8 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.0 | test9 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.1 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.1 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.10 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12 | rc5 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | rc6 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | rc7 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.6 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.7 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.9 | 2.6.20 | All | All |
| Operating System | Linux | Linux Kernel | 2.6_test9_cvs | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| usn/usn-302-1 - Ubuntu: Linux for human beings | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| Linux Kernel LSM ReadV/WriteV Security Restriction Bypass Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Ubuntu update for kernel - Advisories - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Debian update for kernel-source-2.6.8 - Advisories - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| linux-security-module 2005/09: readv/writev syscalls are not ch | af854a3a-2127-422b-91ae-364da2661108 | lists.jammed.com | |
| 191524 – CVE-2006-1856 LSM missing readv/writev | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| Red Hat update for kernel - Advisories - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Debian -- Security Information -- DSA-1184-2 kernel-source-2.6.8 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| ASA-2006-161 (RHSA-2006-0493) | af854a3a-2127-422b-91ae-364da2661108 | support.avaya.com | |
| Linux-Kernel Archive: [PATCH] LSM: add missing hook to do_compat_readv_writev() | af854a3a-2127-422b-91ae-364da2661108 | www.ussg.iu.edu | |
| rhn.redhat.com | Red Hat Support | af854a3a-2127-422b-91ae-364da2661108 | www.redhat.com | |
| Repository / Oval Repository | af854a3a-2127-422b-91ae-364da2661108 | oval.cisecurity.org | |
| www.osvdb.org/25747 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| Mandriva update for kernel - Advisories - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Avaya Products Linux Kernel Multiple Vulnerabilities - Advisories - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Advisories - Mandriva Linux | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.