Vulnerability Name:

CVE-2006-4813 (CCN-33656)

Assigned:2006-10-11
Published:2006-10-11
Updated:2023-02-13
Summary:The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
1.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2006-4813

Source: CCN
Type: RHSA-2007-0014
Important: kernel security update

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: SA24206
Avaya Products Kernel Multiple Vulnerabilities

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: ASA-2007-063
kernel security update (RHSA-2007-0014)

Source: DEBIAN
Type: DSA-1233
kernel-source-2.6.8 -- several vulnerabilities

Source: CCN
Type: Linux Kernel Web site
The Linux Kernel Archives

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: OSVDB ID: 31376
Linux Kernel fs/buffer.c __block_prepare_write Function Unlinked File Disclosure

Source: CCN
Type: BID-21522
Linux Kernel FS/Buffer.C Local Information Disclosure Vulnerability

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: USN-395-1
Linux kernel vulnerabilities

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla Bug 207463
CVE-2006-4813 Information leak in __block_prepare_write()

Source: secalert@redhat.com
Type: Patch
secalert@redhat.com

Source: XF
Type: UNKNOWN
kernel-blockprepare-information-disclosure(33656)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: SUSE
Type: SUSE-SA:2006:079
Linux kernel security problems

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:2.6.6:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.2:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test9:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test8:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test7:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test6:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test5:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test11:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test10:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:test1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.9:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.9:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.9:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.9:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.7:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.7:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.7:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.6:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.6:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.5:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.5:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.5:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.4:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.4:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.4:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.3:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.3:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.3:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.2:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.2:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.2:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.1:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc7:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc6:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc5:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.13:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc6:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:rc5:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:rc4:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.10:rc3:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.10:rc2:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.10:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.12:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.22:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.3:rc1:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.0:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.1:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.10:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.3:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.4:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.5:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.6:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.7:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.8.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*
  • AND
  • cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • OR cpe:/o:novell:linux_desktop:9:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:3.1:*:*:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/a:mandrakesoft:mandrake_multi_network_firewall:2.0:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.0::oss:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:10.1::personal:*:*:*:*:*
  • OR cpe:/o:suse:linux_enterprise_server:9:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2006::x86-64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0::x86_64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0::x86_64:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:9.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20064813
    V
    		CVE-2006-4813
    2015-11-16
    oval:org.mitre.oval:def:11701
    V
    		The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.
    2013-04-29
    oval:com.redhat.rhsa:def:20070014
    P
    		RHSA-2007:0014: kernel security update (Important)
    2008-03-20
    oval:org.debian:def:1233
    V
    		several vulnerabilities
    2006-12-10
    BACK
    linux linux kernel 2.6.6 rc1
    linux linux kernel 2.6.11 rc1
    linux linux kernel 2.6.2
    linux linux kernel 2.6.0 test9
    linux linux kernel 2.6.0 test8
    linux linux kernel 2.6.0 test7
    linux linux kernel 2.6.0 test6
    linux linux kernel 2.6.0 test5
    linux linux kernel 2.6.0 test4
    linux linux kernel 2.6.0 test3
    linux linux kernel 2.6.0 test2
    linux linux kernel 2.6.0 test11
    linux linux kernel 2.6.0 test10
    linux linux kernel 2.6.0 test1
    linux linux kernel 2.6.9 rc4
    linux linux kernel 2.6.9 rc3
    linux linux kernel 2.6.9 rc2
    linux linux kernel 2.6.9 rc1
    linux linux kernel 2.6.8 rc4
    linux linux kernel 2.6.8 rc3
    linux linux kernel 2.6.8 rc2
    linux linux kernel 2.6.8 rc1
    linux linux kernel 2.6.7 rc3
    linux linux kernel 2.6.7 rc2
    linux linux kernel 2.6.7 rc1
    linux linux kernel 2.6.6 rc3
    linux linux kernel 2.6.6 rc2
    linux linux kernel 2.6.5 rc3
    linux linux kernel 2.6.5 rc2
    linux linux kernel 2.6.5 rc1
    linux linux kernel 2.6.4 rc3
    linux linux kernel 2.6.4 rc2
    linux linux kernel 2.6.4 rc1
    linux linux kernel 2.6.3 rc4
    linux linux kernel 2.6.3 rc3
    linux linux kernel 2.6.3 rc2
    linux linux kernel 2.6.2 rc3
    linux linux kernel 2.6.2 rc2
    linux linux kernel 2.6.2 rc1
    linux linux kernel 2.6.1 rc3
    linux linux kernel 2.6.1 rc2
    linux linux kernel 2.6.1 rc1
    linux linux kernel 2.6.13 rc7
    linux linux kernel 2.6.13 rc6
    linux linux kernel 2.6.13 rc5
    linux linux kernel 2.6.13 rc4
    linux linux kernel 2.6.13 rc3
    linux linux kernel 2.6.13 rc2
    linux linux kernel 2.6.13 rc1
    linux linux kernel 2.6.12 rc6
    linux linux kernel 2.6.12 rc5
    linux linux kernel 2.6.12 rc4
    linux linux kernel 2.6.12 rc3
    linux linux kernel 2.6.12 rc2
    linux linux kernel 2.6.12 rc1
    linux linux kernel 2.6.11 rc5
    linux linux kernel 2.6.11 rc4
    linux linux kernel 2.6.11 rc3
    linux linux kernel 2.6.11 rc2
    linux linux kernel 2.6.10 rc3
    linux linux kernel 2.6.10 rc2
    linux linux kernel 2.6.10 rc1
    linux linux kernel 2.6.12.12
    linux linux kernel 2.6.12.22
    linux linux kernel 2.6.3 rc1
    linux linux kernel 2.6.0
    linux linux kernel 2.6.1
    linux linux kernel 2.6.10
    linux linux kernel 2.6.11
    linux linux kernel 2.6.11.1
    linux linux kernel 2.6.11.10
    linux linux kernel 2.6.11.11
    linux linux kernel 2.6.11.12
    linux linux kernel 2.6.11.2
    linux linux kernel 2.6.11.3
    linux linux kernel 2.6.11.4
    linux linux kernel 2.6.11.5
    linux linux kernel 2.6.11.6
    linux linux kernel 2.6.11.7
    linux linux kernel 2.6.11.8
    linux linux kernel 2.6.11.9
    linux linux kernel 2.6.12
    linux linux kernel 2.6.12.1
    linux linux kernel 2.6.12.2
    linux linux kernel 2.6.12.3
    linux linux kernel 2.6.12.4
    linux linux kernel 2.6.12.5
    linux linux kernel 2.6.12.6
    linux linux kernel 2.6.3
    linux linux kernel 2.6.4
    linux linux kernel 2.6.5
    linux linux kernel 2.6.6
    linux linux kernel 2.6.7
    linux linux kernel 2.6.8
    linux linux kernel 2.6.8.1
    linux linux kernel 2.6.9
    mandrakesoft mandrake linux corporate server 3.0
    redhat enterprise linux 4
    redhat enterprise linux 4
    novell linux desktop 9
    redhat enterprise linux 4
    redhat enterprise linux 4
    debian debian linux 3.1
    novell open enterprise server *
    mandrakesoft mandrake multi network firewall 2.0
    suse suse linux 10.0
    mandrakesoft mandrake linux 2006
    canonical ubuntu 6.06
    suse suse linux 10.1
    suse linux enterprise server 9
    mandrakesoft mandrake linux 2006
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 3.0
    novell open enterprise server *
    suse suse linux 9.3