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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

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.

The EPSS score is 0.0231.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test10:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test11:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test8:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:test9:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.6:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.7:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.9:2.6.20:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6_test9_cvs:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 4
kernel-0:2.6.9-34.0.1.EL cpe:/o:redhat:enterprise_linux:4 RHSA-2006:0493 2006-05-24T00:00:00Z

No data.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-1184-1 New Linux 2.6.8 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1184-2 New Linux 2.6.8 packages fix several vulnerabilities
EUVD EUVD EUVD-2006-1856 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.
Ubuntu USN Ubuntu USN USN-302-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://lists.jammed.com/linux-security-module/2005/09/0019.html cve-icon cve-icon
http://secunia.com/advisories/20237 cve-icon cve-icon
http://secunia.com/advisories/20716 cve-icon cve-icon
http://secunia.com/advisories/21045 cve-icon cve-icon
http://secunia.com/advisories/21745 cve-icon cve-icon
http://secunia.com/advisories/22093 cve-icon cve-icon
http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm cve-icon cve-icon
http://www.debian.org/security/2006/dsa-1184 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDKSA-2006:123 cve-icon cve-icon
http://www.osvdb.org/25747 cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2006-0493.html cve-icon cve-icon
http://www.securityfocus.com/bid/18105 cve-icon cve-icon
http://www.ubuntu.com/usn/usn-302-1 cve-icon cve-icon
http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html cve-icon cve-icon
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2006-1856 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2006-1856 cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T17:27:28.874Z

Reserved: 2006-04-19T00:00:00

Link: CVE-2006-1856

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2006-05-19T23:02:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2006-1856

cve-icon Redhat

Severity : Moderate

Publid Date: 2005-09-28T00:00:00Z

Links: CVE-2006-1856 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses