CVE-2006-1856
First published: Fri May 19 2006(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | =2.6.11-rc3 | |
| Linux kernel | =2.6.11 | |
| Linux kernel | =2.6.12-rc1 | |
| Linux kernel | =2.6.12-rc4 | |
| Linux kernel | =2.6.14-rc2 | |
| Linux kernel | =2.6.5 | |
| Linux kernel | =2.6.15.3 | |
| Linux kernel | =2.6.1 | |
| Linux kernel | =2.6.13 | |
| Linux kernel | =2.6.13.3 | |
| Linux kernel | =2.6.11.8 | |
| Linux kernel | =2.6.14.4 | |
| Linux kernel | =2.6.14 | |
| Linux kernel | =2.6.10 | |
| Linux kernel | =2.6.13-rc1 | |
| Linux kernel | =2.6.14.3 | |
| Linux kernel | =2.6.13-rc6 | |
| Linux kernel | =2.6.11.6 | |
| Linux kernel | =2.6.11.11 | |
| Linux kernel | =2.6.0-test5 | |
| Linux kernel | =2.6.3 | |
| Linux kernel | =2.6.13-rc7 | |
| Linux kernel | =2.6.0-test2 | |
| Linux kernel | =2.6.4 | |
| Linux kernel | =2.6_test9_cvs | |
| Linux kernel | =2.6.15.1 | |
| Linux kernel | =2.6.11.5 | |
| Linux kernel | =2.6.7-rc1 | |
| Linux kernel | =2.6.2 | |
| Linux kernel | =2.6.14.5 | |
| Linux kernel | =2.6.13.2 | |
| Linux kernel | =2.6.12-rc5 | |
| Linux kernel | =2.6.8-rc1 | |
| Linux kernel | =2.6.0-test11 | |
| Linux kernel | =2.6.14-rc3 | |
| Linux kernel | =2.6.1-rc2 | |
| Linux kernel | =2.6.11-rc4 | |
| Linux kernel | =2.6.15-rc3 | |
| Linux kernel | =2.6.8 | |
| Linux kernel | =2.6.14.1 | |
| Linux kernel | =2.6.0-test1 | |
| Linux kernel | =2.6.12.5 | |
| Linux kernel | =2.6.0-test6 | |
| Linux kernel | =2.6.12.1 | |
| Linux kernel | =2.6.10-rc2 | |
| Linux kernel | =2.6.0-test4 | |
| Linux kernel | =2.6.0 | |
| Linux kernel | =2.6.13.4 | |
| Linux kernel | =2.6.12.2 | |
| Linux kernel | =2.6.14-rc1 | |
| Linux kernel | =2.6.16 | |
| Linux kernel | =2.6.0-test10 | |
| Linux kernel | =2.6.15.2 | |
| Linux kernel | =2.6.0-test9 | |
| Linux kernel | =2.6.12.4 | |
| Linux kernel | =2.6.12.3 | |
| Linux kernel | =2.6.13-rc4 | |
| Linux kernel | =2.6.7 | |
| Linux kernel | =2.6.11-rc2 | |
| Linux kernel | =2.6.15.4 | |
| Linux kernel | =2.6.1-rc1 | |
| Linux kernel | =2.6.6-rc1 | |
| Linux kernel | =2.6.9-2.6.20 | |
| Linux kernel | =2.6.12.6 | |
| Linux kernel | =2.6.11.7 | |
| Linux kernel | =2.6.15 | |
| Linux kernel | =2.6.15-rc1 | |
| Linux kernel | =2.6.14.2 | |
| Linux kernel | =2.6.14-rc4 | |
| Linux kernel | =2.6.0-test7 | |
| Linux kernel | =2.6.8-rc2 | |
| Linux kernel | =2.6.8-rc3 | |
| Linux kernel | =2.6.11.12 | |
| Linux kernel | =2.6.15.5 | |
| Linux kernel | =2.6.0-test8 | |
| Linux kernel | =2.6.13.1 | |
| Linux kernel | =2.6.6 | |
| Linux kernel | =2.6.0-test3 | |
| Linux Kernel | =2.6.0 | |
| Linux Kernel | =2.6.0-test1 | |
| Linux Kernel | =2.6.0-test10 | |
| Linux Kernel | =2.6.0-test11 | |
| Linux Kernel | =2.6.0-test2 | |
| Linux Kernel | =2.6.0-test3 | |
| Linux Kernel | =2.6.0-test4 | |
| Linux Kernel | =2.6.0-test5 | |
| Linux Kernel | =2.6.0-test6 | |
| Linux Kernel | =2.6.0-test7 | |
| Linux Kernel | =2.6.0-test8 | |
| Linux Kernel | =2.6.0-test9 | |
| Linux Kernel | =2.6.1 | |
| Linux Kernel | =2.6.1-rc1 | |
| Linux Kernel | =2.6.1-rc2 | |
| Linux Kernel | =2.6.2 | |
| Linux Kernel | =2.6.3 | |
| Linux Kernel | =2.6.4 | |
| Linux Kernel | =2.6.5 | |
| Linux Kernel | =2.6.6 | |
| Linux Kernel | =2.6.6-rc1 | |
| Linux Kernel | =2.6.7 | |
| Linux Kernel | =2.6.7-rc1 | |
| Linux Kernel | =2.6.8 | |
| Linux Kernel | =2.6.8-rc1 | |
| Linux Kernel | =2.6.8-rc2 | |
| Linux Kernel | =2.6.8-rc3 | |
| Linux Kernel | =2.6.9-2.6.20 | |
| Linux Kernel | =2.6.10 | |
| Linux Kernel | =2.6.10-rc2 | |
| Linux Kernel | =2.6.11 | |
| Linux Kernel | =2.6.11-rc2 | |
| Linux Kernel | =2.6.11-rc3 | |
| Linux Kernel | =2.6.11-rc4 | |
| Linux Kernel | =2.6.11.5 | |
| Linux Kernel | =2.6.11.6 | |
| Linux Kernel | =2.6.11.7 | |
| Linux Kernel | =2.6.11.8 | |
| Linux Kernel | =2.6.11.11 | |
| Linux Kernel | =2.6.11.12 | |
| Linux Kernel | =2.6.12-rc1 | |
| Linux Kernel | =2.6.12-rc4 | |
| Linux Kernel | =2.6.12-rc5 | |
| Linux Kernel | =2.6.12.1 | |
| Linux Kernel | =2.6.12.2 | |
| Linux Kernel | =2.6.12.3 | |
| Linux Kernel | =2.6.12.4 | |
| Linux Kernel | =2.6.12.5 | |
| Linux Kernel | =2.6.12.6 | |
| Linux Kernel | =2.6.13 | |
| Linux Kernel | =2.6.13-rc1 | |
| Linux Kernel | =2.6.13-rc4 | |
| Linux Kernel | =2.6.13-rc6 | |
| Linux Kernel | =2.6.13-rc7 | |
| Linux Kernel | =2.6.13.1 | |
| Linux Kernel | =2.6.13.2 | |
| Linux Kernel | =2.6.13.3 | |
| Linux Kernel | =2.6.13.4 | |
| Linux Kernel | =2.6.14 | |
| Linux Kernel | =2.6.14-rc1 | |
| Linux Kernel | =2.6.14-rc2 | |
| Linux Kernel | =2.6.14-rc3 | |
| Linux Kernel | =2.6.14-rc4 | |
| Linux Kernel | =2.6.14.1 | |
| Linux Kernel | =2.6.14.2 | |
| Linux Kernel | =2.6.14.3 | |
| Linux Kernel | =2.6.14.4 | |
| Linux Kernel | =2.6.14.5 | |
| Linux Kernel | =2.6.15 | |
| Linux Kernel | =2.6.15-rc1 | |
| Linux Kernel | =2.6.15-rc3 | |
| Linux Kernel | =2.6.15.1 | |
| Linux Kernel | =2.6.15.2 | |
| Linux Kernel | =2.6.15.3 | |
| Linux Kernel | =2.6.15.4 | |
| Linux Kernel | =2.6.15.5 | |
| Linux Kernel | =2.6.16 | |
| Linux Kernel | =2.6_test9_cvs |
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Reference Links
- http://lists.jammed.com/linux-security-module/2005/09/0019.html
- http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524
- http://www.redhat.com/support/errata/RHSA-2006-0493.html
- http://secunia.com/advisories/20237
- http://www.securityfocus.com/bid/18105
- http://www.ubuntu.com/usn/usn-302-1
- http://secunia.com/advisories/20716
- http://www.osvdb.org/25747
- http://secunia.com/advisories/21045
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- http://secunia.com/advisories/21745
- http://www.debian.org/security/2006/dsa-1184
- http://secunia.com/advisories/22093
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927
Frequently Asked Questions
What is the severity of CVE-2006-1856?
CVE-2006-1856 is classified as a moderate severity vulnerability due to its potential to allow attackers to bypass access restrictions.
How do I fix CVE-2006-1856?
To fix CVE-2006-1856, you should upgrade to a newer version of the Linux kernel that includes the appropriate Linux Security Modules file_permission hooks.
What systems are impacted by CVE-2006-1856?
CVE-2006-1856 impacts the Linux kernel versions 2.6.0 through 2.6.16, including various release candidates and test versions.
What kind of attack can exploit CVE-2006-1856?
CVE-2006-1856 can be exploited by attackers to read or write files without proper authorization through the readv and writev functions.
Is CVE-2006-1856 a zero-day vulnerability?
CVE-2006-1856 is not classified as a zero-day vulnerability as it was publicly disclosed in 2006.
- agent/weakness
- agent/author
- agent/references
- agent/severity
- agent/description
- agent/type
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/linux
- canonical/linux kernel
- version/linux kernel/2.6.0
- version/linux kernel/2.6.0-test1
- version/linux kernel/2.6.0-test10
- version/linux kernel/2.6.0-test11
- version/linux kernel/2.6.0-test2
- version/linux kernel/2.6.0-test3
- version/linux kernel/2.6.0-test4
- version/linux kernel/2.6.0-test5
- version/linux kernel/2.6.0-test6
- version/linux kernel/2.6.0-test7
- version/linux kernel/2.6.0-test8
- version/linux kernel/2.6.0-test9
- version/linux kernel/2.6.1
- version/linux kernel/2.6.1-rc1
- version/linux kernel/2.6.1-rc2
- version/linux kernel/2.6.2
- version/linux kernel/2.6.3
- version/linux kernel/2.6.4
- version/linux kernel/2.6.5
- version/linux kernel/2.6.6
- version/linux kernel/2.6.6-rc1
- version/linux kernel/2.6.7
- version/linux kernel/2.6.7-rc1
- version/linux kernel/2.6.8
- version/linux kernel/2.6.8-rc1
- version/linux kernel/2.6.8-rc2
- version/linux kernel/2.6.8-rc3
- version/linux kernel/2.6.9-2.6.20
- version/linux kernel/2.6.10
- version/linux kernel/2.6.10-rc2
- version/linux kernel/2.6.11
- version/linux kernel/2.6.11-rc2
- version/linux kernel/2.6.11-rc3
- version/linux kernel/2.6.11-rc4
- version/linux kernel/2.6.11.5
- version/linux kernel/2.6.11.6
- version/linux kernel/2.6.11.7
- version/linux kernel/2.6.11.8
- version/linux kernel/2.6.11.11
- version/linux kernel/2.6.11.12
- version/linux kernel/2.6.12-rc1
- version/linux kernel/2.6.12-rc4
- version/linux kernel/2.6.12-rc5
- version/linux kernel/2.6.12.1
- version/linux kernel/2.6.12.2
- version/linux kernel/2.6.12.3
- version/linux kernel/2.6.12.4
- version/linux kernel/2.6.12.5
- version/linux kernel/2.6.12.6
- version/linux kernel/2.6.13
- version/linux kernel/2.6.13-rc1
- version/linux kernel/2.6.13-rc4
- version/linux kernel/2.6.13-rc6
- version/linux kernel/2.6.13-rc7
- version/linux kernel/2.6.13.1
- version/linux kernel/2.6.13.2
- version/linux kernel/2.6.13.3
- version/linux kernel/2.6.13.4
- version/linux kernel/2.6.14
- version/linux kernel/2.6.14-rc1
- version/linux kernel/2.6.14-rc2
- version/linux kernel/2.6.14-rc3
- version/linux kernel/2.6.14-rc4
- version/linux kernel/2.6.14.1
- version/linux kernel/2.6.14.2
- version/linux kernel/2.6.14.3
- version/linux kernel/2.6.14.4
- version/linux kernel/2.6.14.5
- version/linux kernel/2.6.15
- version/linux kernel/2.6.15-rc1
- version/linux kernel/2.6.15-rc3
- version/linux kernel/2.6.15.1
- version/linux kernel/2.6.15.2
- version/linux kernel/2.6.15.3
- version/linux kernel/2.6.15.4
- version/linux kernel/2.6.15.5
- version/linux kernel/2.6.16
- version/linux kernel/2.6_test9_cvs