Linux Kernel cifs_create() function denial of service

linux-kernel-cifscreate-dos (57561) The risk level is classified as MediumMedium Risk

Description:

Linux Kernel is vulnerable to a denial of service, caused by NULL pointer dereference error in the cifs_create() function. A local attacker could exploit this vulnerability to cause the system to crash.

*CVSS:

Base Score: 4.9
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 3.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Apply the patch for this vulnerability (b/fs/cifs/cifsproto.h), available from the Linux Kernel GIT Repository. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • Linux Kernel GIT Repository: [CIFS] Allow null nd (as nfs server uses) on create.
  • Red Hat Bugzilla Bug 579445 : CVE-2010-1148 kernel: cifs: skip posix open if nameidata is null.
  • The Linux Kernel Archives Web site: The Linux Kernel Archives.
  • xorl Web Site: Linux kernel UNIX Extensions CIFS NULL Pointer Dereference.
  • BID-39186: Linux Kernel 'nameidata' Null Pointer Dereference Vulnerability
  • CVE-2010-1148: The cifs_create function in fs/cifs/dir.c in the Linux kernel 2.6.33.2 and earlier allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a NULL nameidata (aka nd) field in a POSIX file-creation request to a server that supports UNIX extensions.
  • OSVDB ID: 63530: Linux Kernel fs/cifs/dir.c cifs_create() Function NULL Dereference Local DoS
  • SA39344: Linux Kernel "cifs_create()" NULL Pointer Dereference
  • SUSE-SA:2010:046: openSUSE 11.2 kernel security update

Platforms Affected:

  • Linux Kernel 2.6.0
  • Linux Kernel 2.6.1
  • Linux Kernel 2.6.10
  • Linux Kernel 2.6.11
  • Linux Kernel 2.6.11.1
  • Linux Kernel 2.6.11.10
  • Linux Kernel 2.6.11.11
  • Linux Kernel 2.6.11.12
  • Linux Kernel 2.6.11.2
  • Linux Kernel 2.6.11.3
  • Linux Kernel 2.6.11.4
  • 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 2.6.11.9
  • Linux Kernel 2.6.12
  • 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 2.6.13.1
  • Linux Kernel 2.6.13.2
  • Linux Kernel 2.6.13.3
  • Linux Kernel 2.6.13.4
  • Linux Kernel 2.6.13.5
  • Linux Kernel 2.6.14
  • Linux Kernel 2.6.16.42
  • Linux Kernel 2.6.16.54
  • Linux Kernel 2.6.16.55
  • Linux Kernel 2.6.16.56
  • Linux Kernel 2.6.16.57
  • Linux Kernel 2.6.16.58
  • Linux Kernel 2.6.16.59
  • Linux Kernel 2.6.16.60
  • Linux Kernel 2.6.16.61
  • Linux Kernel 2.6.16.62
  • Linux Kernel 2.6.19
  • Linux Kernel 2.6.19.1
  • Linux Kernel 2.6.19.2
  • Linux Kernel 2.6.19.3
  • Linux Kernel 2.6.19.4
  • Linux Kernel 2.6.19.5
  • Linux Kernel 2.6.19.6
  • Linux Kernel 2.6.19.7
  • Linux Kernel 2.6.20.16
  • Linux Kernel 2.6.20.17
  • Linux Kernel 2.6.20.18
  • Linux Kernel 2.6.20.19
  • Linux Kernel 2.6.20.20
  • Linux Kernel 2.6.20.21
  • Linux Kernel 2.6.21.5
  • Linux Kernel 2.6.21.6
  • Linux Kernel 2.6.21.7
  • Linux Kernel 2.6.22.10
  • Linux Kernel 2.6.22.11
  • Linux Kernel 2.6.22.12
  • Linux Kernel 2.6.22.13
  • Linux Kernel 2.6.22.14
  • Linux Kernel 2.6.22.15
  • Linux Kernel 2.6.22.17
  • Linux Kernel 2.6.22.18
  • Linux Kernel 2.6.22.19
  • Linux Kernel 2.6.22.2
  • Linux Kernel 2.6.22.8
  • Linux Kernel 2.6.22.9
  • Linux Kernel 2.6.23.10
  • Linux Kernel 2.6.23.11
  • Linux Kernel 2.6.23.12
  • Linux Kernel 2.6.23.13
  • Linux Kernel 2.6.23.15
  • Linux Kernel 2.6.23.16
  • Linux Kernel 2.6.23.17
  • Linux Kernel 2.6.23.6
  • Linux Kernel 2.6.23.7
  • Linux Kernel 2.6.23.8
  • Linux Kernel 2.6.24
  • Linux Kernel 2.6.24.1
  • Linux Kernel 2.6.24.2
  • Linux Kernel 2.6.24.3
  • Linux Kernel 2.6.24.4
  • Linux Kernel 2.6.24.5
  • Linux Kernel 2.6.24.6
  • Linux Kernel 2.6.24.7
  • Linux Kernel 2.6.25
  • Linux Kernel 2.6.25.1
  • Linux Kernel 2.6.25.10
  • Linux Kernel 2.6.25.11
  • Linux Kernel 2.6.25.12
  • Linux Kernel 2.6.25.13
  • Linux Kernel 2.6.25.14
  • Linux Kernel 2.6.25.15
  • Linux Kernel 2.6.25.16
  • Linux Kernel 2.6.25.17
  • Linux Kernel 2.6.25.18
  • Linux Kernel 2.6.25.19
  • Linux Kernel 2.6.25.2
  • Linux Kernel 2.6.25.20
  • Linux Kernel 2.6.25.3
  • Linux Kernel 2.6.25.4
  • Linux Kernel 2.6.25.5
  • Linux Kernel 2.6.25.6
  • Linux Kernel 2.6.25.7
  • Linux Kernel 2.6.25.8
  • Linux Kernel 2.6.25.9
  • Linux Kernel 2.6.26
  • Linux Kernel 2.6.26.1
  • Linux Kernel 2.6.26.2
  • Linux Kernel 2.6.26.3
  • Linux Kernel 2.6.26.4
  • Linux Kernel 2.6.26.5
  • Linux Kernel 2.6.26.6
  • Linux Kernel 2.6.26.7
  • Linux Kernel 2.6.26.8
  • Linux Kernel 2.6.27
  • Linux Kernel 2.6.27.1
  • Linux Kernel 2.6.27.10
  • Linux Kernel 2.6.27.11
  • Linux Kernel 2.6.27.12
  • Linux Kernel 2.6.27.13
  • Linux Kernel 2.6.27.14
  • Linux Kernel 2.6.27.15
  • Linux Kernel 2.6.27.16
  • Linux Kernel 2.6.27.17
  • Linux Kernel 2.6.27.18
  • Linux Kernel 2.6.27.19
  • Linux Kernel 2.6.27.2
  • Linux Kernel 2.6.27.20
  • Linux Kernel 2.6.27.21
  • Linux Kernel 2.6.27.22
  • Linux Kernel 2.6.27.23
  • Linux Kernel 2.6.27.24
  • Linux Kernel 2.6.27.25
  • Linux Kernel 2.6.27.26
  • Linux Kernel 2.6.27.27
  • Linux Kernel 2.6.27.28
  • Linux Kernel 2.6.27.29
  • Linux Kernel 2.6.27.3
  • Linux Kernel 2.6.27.30
  • Linux Kernel 2.6.27.31
  • Linux Kernel 2.6.27.4
  • Linux Kernel 2.6.27.5
  • Linux Kernel 2.6.27.6
  • Linux Kernel 2.6.27.7
  • Linux Kernel 2.6.27.8
  • Linux Kernel 2.6.27.9
  • Linux Kernel 2.6.28
  • Linux Kernel 2.6.28.1
  • Linux Kernel 2.6.28.10
  • Linux Kernel 2.6.28.2
  • Linux Kernel 2.6.28.3
  • Linux Kernel 2.6.28.4
  • Linux Kernel 2.6.28.5
  • Linux Kernel 2.6.28.6
  • Linux Kernel 2.6.28.7
  • Linux Kernel 2.6.28.8
  • Linux Kernel 2.6.28.9
  • Linux Kernel 2.6.29 rc6
  • Linux Kernel 2.6.29
  • Linux Kernel 2.6.29.1
  • Linux Kernel 2.6.29.2
  • Linux Kernel 2.6.29.3
  • Linux Kernel 2.6.29.4
  • Linux Kernel 2.6.29.5
  • Linux Kernel 2.6.29.6
  • Linux Kernel 2.6.3
  • Linux Kernel 2.6.30
  • Linux Kernel 2.6.30.1
  • Linux Kernel 2.6.30.10
  • Linux Kernel 2.6.30.2
  • Linux Kernel 2.6.30.3
  • Linux Kernel 2.6.30.4
  • Linux Kernel 2.6.30.5
  • Linux Kernel 2.6.30.6
  • Linux Kernel 2.6.30.7
  • Linux Kernel 2.6.30.8
  • Linux Kernel 2.6.30.9
  • Linux Kernel 2.6.31
  • Linux Kernel 2.6.31.1
  • Linux Kernel 2.6.31.10
  • Linux Kernel 2.6.31.11
  • Linux Kernel 2.6.31.12
  • Linux Kernel 2.6.31.13
  • Linux Kernel 2.6.31.2
  • Linux Kernel 2.6.31.3
  • Linux Kernel 2.6.31.4
  • Linux Kernel 2.6.31.5
  • Linux Kernel 2.6.31.6
  • Linux Kernel 2.6.31.7
  • Linux Kernel 2.6.31.8
  • Linux Kernel 2.6.31.9
  • Linux Kernel 2.6.32
  • Linux Kernel 2.6.32.1
  • Linux Kernel 2.6.32.10
  • Linux Kernel 2.6.32.11
  • Linux Kernel 2.6.32.2
  • Linux Kernel 2.6.32.3
  • Linux Kernel 2.6.32.4
  • Linux Kernel 2.6.32.5
  • Linux Kernel 2.6.32.6
  • Linux Kernel 2.6.32.7
  • Linux Kernel 2.6.32.8
  • Linux Kernel 2.6.32.9
  • Linux Kernel 2.6.33
  • Linux Kernel 2.6.33.1
  • Linux Kernel 2.6.33.2
  • Linux Kernel 2.6.4
  • Linux Kernel 2.6.5
  • Linux Kernel 2.6.6
  • Linux Kernel 2.6.7
  • Linux Kernel 2.6.8
  • Linux Kernel 2.6.8.1
  • Linux Kernel 2.6.9
  • Linux Linux Kernel 2.6.14.1
  • Linux Linux Kernel 2.6.14.2
  • Linux Linux Kernel 2.6.14.3
  • Linux Linux Kernel 2.6.14.4
  • Linux Linux Kernel 2.6.14.5
  • Linux Linux Kernel 2.6.14.6
  • Linux Linux Kernel 2.6.14.7
  • Linux Linux Kernel 2.6.15
  • Linux Linux Kernel 2.6.15.1
  • Linux Linux Kernel 2.6.15.2
  • Linux Linux Kernel 2.6.15.3
  • Linux Linux Kernel 2.6.15.4
  • Linux Linux Kernel 2.6.15.5
  • Linux Linux Kernel 2.6.15.6
  • Linux Linux Kernel 2.6.15.7
  • Linux Linux Kernel 2.6.16
  • Linux Linux Kernel 2.6.16.1
  • Linux Linux Kernel 2.6.16.10
  • Linux Linux Kernel 2.6.16.11
  • Linux Linux Kernel 2.6.16.12
  • Linux Linux Kernel 2.6.16.13
  • Linux Linux Kernel 2.6.16.14
  • Linux Linux Kernel 2.6.16.15
  • Linux Linux Kernel 2.6.16.16
  • Linux Linux Kernel 2.6.16.17
  • Linux Linux Kernel 2.6.16.18
  • Linux Linux Kernel 2.6.16.19
  • Linux Linux Kernel 2.6.16.2
  • Linux Linux Kernel 2.6.16.20
  • Linux Linux Kernel 2.6.16.21
  • Linux Linux Kernel 2.6.16.22
  • Linux Linux Kernel 2.6.16.23
  • Linux Linux Kernel 2.6.16.24
  • Linux Linux Kernel 2.6.16.25
  • Linux Linux Kernel 2.6.16.26
  • Linux Linux Kernel 2.6.16.27
  • Linux Linux Kernel 2.6.16.28
  • Linux Linux Kernel 2.6.16.29
  • Linux Linux Kernel 2.6.16.3
  • Linux Linux Kernel 2.6.16.30
  • Linux Linux Kernel 2.6.16.31
  • Linux Linux Kernel 2.6.16.32
  • Linux Linux Kernel 2.6.16.33
  • Linux Linux Kernel 2.6.16.34
  • Linux Linux Kernel 2.6.16.35
  • Linux Linux Kernel 2.6.16.36
  • Linux Linux Kernel 2.6.16.37
  • Linux Linux Kernel 2.6.16.38
  • Linux Linux Kernel 2.6.16.39
  • Linux Linux Kernel 2.6.16.4
  • Linux Linux Kernel 2.6.16.40
  • Linux Linux Kernel 2.6.16.41
  • Linux Linux Kernel 2.6.16.43
  • Linux Linux Kernel 2.6.16.44
  • Linux Linux Kernel 2.6.16.45
  • Linux Linux Kernel 2.6.16.46
  • Linux Linux Kernel 2.6.16.47
  • Linux Linux Kernel 2.6.16.48
  • Linux Linux Kernel 2.6.16.49
  • Linux Linux Kernel 2.6.16.5
  • Linux Linux Kernel 2.6.16.50
  • Linux Linux Kernel 2.6.16.51
  • Linux Linux Kernel 2.6.16.52
  • Linux Linux Kernel 2.6.16.53
  • Linux Linux Kernel 2.6.16.6
  • Linux Linux Kernel 2.6.16.7
  • Linux Linux Kernel 2.6.16.8
  • Linux Linux Kernel 2.6.16.9
  • Linux Linux Kernel 2.6.17
  • Linux Linux Kernel 2.6.17.1
  • Linux Linux Kernel 2.6.17.10
  • Linux Linux Kernel 2.6.17.11
  • Linux Linux Kernel 2.6.17.12
  • Linux Linux Kernel 2.6.17.13
  • Linux Linux Kernel 2.6.17.14
  • Linux Linux Kernel 2.6.17.2
  • Linux Linux Kernel 2.6.17.3
  • Linux Linux Kernel 2.6.17.4
  • Linux Linux Kernel 2.6.17.5
  • Linux Linux Kernel 2.6.17.6
  • Linux Linux Kernel 2.6.17.7
  • Linux Linux Kernel 2.6.17.8
  • Linux Linux Kernel 2.6.17.9
  • Linux Linux Kernel 2.6.18
  • Linux Linux Kernel 2.6.18.1
  • Linux Linux Kernel 2.6.18.2
  • Linux Linux Kernel 2.6.18.3
  • Linux Linux Kernel 2.6.18.4
  • Linux Linux Kernel 2.6.18.5
  • Linux Linux Kernel 2.6.18.6
  • Linux Linux Kernel 2.6.18.7
  • Linux Linux Kernel 2.6.18.8
  • Linux Linux Kernel 2.6.2
  • Linux Linux Kernel 2.6.20
  • Linux Linux Kernel 2.6.20.1
  • Linux Linux Kernel 2.6.20.10
  • Linux Linux Kernel 2.6.20.11
  • Linux Linux Kernel 2.6.20.12
  • Linux Linux Kernel 2.6.20.13
  • Linux Linux Kernel 2.6.20.14
  • Linux Linux Kernel 2.6.20.15
  • Linux Linux Kernel 2.6.20.2
  • Linux Linux Kernel 2.6.20.3
  • Linux Linux Kernel 2.6.20.4
  • Linux Linux Kernel 2.6.20.5
  • Linux Linux Kernel 2.6.20.6
  • Linux Linux Kernel 2.6.20.7
  • Linux Linux Kernel 2.6.20.8
  • Linux Linux Kernel 2.6.20.9
  • Linux Linux Kernel 2.6.21
  • Linux Linux Kernel 2.6.21.1
  • Linux Linux Kernel 2.6.21.2
  • Linux Linux Kernel 2.6.21.3
  • Linux Linux Kernel 2.6.21.4
  • Linux Linux Kernel 2.6.22
  • Linux Linux Kernel 2.6.22.1
  • Linux Linux Kernel 2.6.22.16
  • Linux Linux Kernel 2.6.22.3
  • Linux Linux Kernel 2.6.22.4
  • Linux Linux Kernel 2.6.22.5
  • Linux Linux Kernel 2.6.22.6
  • Linux Linux Kernel 2.6.22.7
  • Linux Linux Kernel 2.6.23
  • Linux Linux Kernel 2.6.23.1
  • Linux Linux Kernel 2.6.23.14
  • Linux Linux Kernel 2.6.23.2
  • Linux Linux Kernel 2.6.23.3
  • Linux Linux Kernel 2.6.23.4
  • Linux Linux Kernel 2.6.23.5
  • Linux Linux Kernel 2.6.23.9

Reported:

Apr 05, 2010

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