Vulnerability Name:

CVE-2015-8746 (CCN-109545)

Assigned:2015-08-15
Published:2015-08-15
Updated:2018-01-05
Summary:fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly initialize memory for migration recovery operations, which allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) via crafted network traffic.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
3.8 Low (REDHAT CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
CWE-665
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-8746

Source: CONFIRM
Type: UNKNOWN
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18e3b739fdc826481c6a1335ce0c5b19b3d415da

Source: CCN
Type: RHSA-2016-2574
Important: kernel security, bug fix, and enhancement update

Source: REDHAT
Type: UNKNOWN
RHSA-2016:2574

Source: CCN
Type: RHSA-2016-2584
Important: kernel-rt security, bug fix, and enhancement update

Source: REDHAT
Type: UNKNOWN
RHSA-2016:2584

Source: CCN
Type: IBM Security Bulletin T1025263 (PowerKVM)
Vulnerabilities in the Linux Kernel affect PowerKVM

Source: CCN
Type: IBM Security Bulletin S1012277 (Storwize V7000 (2076))
Multiple vulnerabilities in Linux Kernel affect IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize and IBM FlashSystem products

Source: CCN
Type: IBM Security Bulletin 2004744 (QRadar Network Security)
IBM QRadar Network Security is affected by multiple vulnerabilities in Linux Kernel

Source: CCN
Type: IBM Security Bulletin 2010338 (Security Access Manager)
IBM Security Access Manager version 9.0.3.0 appliances are affected by multiple kernel vulnerabilities

Source: CONFIRM
Type: UNKNOWN
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.2

Source: MLIST
Type: UNKNOWN
[oss-security] 20160105 CVE request -- linux kernel: nfs: kernel panic occurs at nfs client when nfsv4.2 migration is executed

Source: SECTRACK
Type: UNKNOWN
1034594

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1295802

Source: XF
Type: UNKNOWN
linux-kernel-cve20158746-dos(109545)

Source: CCN
Type: Linux Kernel GIT Repository
NFS: Fix a NULL pointer dereference of migration recovery ops for v4.2 client

Source: CONFIRM
Type: Vendor Advisory
https://github.com/torvalds/linux/commit/18e3b739fdc826481c6a1335ce0c5b19b3d415da

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.2.1)

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

  • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

  • Configuration RedHat 6:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:storwize_v7000_software:6.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:6.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:6.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:6.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:powerkvm:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:powerkvm:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.8:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:7.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_network_security:5.4:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:security_access_manager:9.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:8.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:storwize_v7000_software:8.1.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20162574
    P
    RHSA-2016:2574: kernel security, bug fix, and enhancement update (Important)
    2016-11-03
    oval:com.redhat.rhsa:def:20162584
    P
    RHSA-2016:2584: kernel-rt security, bug fix, and enhancement update (Important)
    2016-11-03
    oval:com.ubuntu.xenial:def:20158746000
    V
    CVE-2015-8746 on Ubuntu 16.04 LTS (xenial) - low.
    2016-05-02
    oval:com.ubuntu.xenial:def:201587460000000
    V
    CVE-2015-8746 on Ubuntu 16.04 LTS (xenial) - low.
    2016-05-02
    oval:com.ubuntu.precise:def:20158746000
    V
    CVE-2015-8746 on Ubuntu 12.04 LTS (precise) - low.
    2016-05-02
    oval:com.ubuntu.trusty:def:20158746000
    V
    CVE-2015-8746 on Ubuntu 14.04 LTS (trusty) - low.
    2016-05-02
    BACK
    linux linux kernel *
    linux linux kernel *
    ibm storwize v7000 software 6.1
    ibm storwize v7000 software 6.2
    ibm storwize v7000 software 6.3
    ibm storwize v7000 software 6.4
    ibm storwize v7000 software 7.1
    ibm storwize v7000 software 7.2
    ibm powerkvm 2.1
    ibm storwize v7000 software 7.3
    ibm storwize v7000 software 7.4
    ibm storwize v7000 software 7.5
    ibm storwize v7000 software 7.6
    ibm powerkvm 3.1
    redhat enterprise linux desktop 7
    redhat enterprise linux hpc node 7
    redhat enterprise linux server 7
    redhat enterprise linux workstation 7
    redhat enterprise linux for real time 7
    ibm storwize v7000 software 7.6.1
    ibm storwize v7000 software 7.7
    ibm storwize v7000 software 7.7.1
    ibm storwize v7000 software 7.8
    ibm storwize v7000 software 7.8.1
    ibm qradar network security 5.4
    ibm security access manager 9.0.3
    ibm storwize v7000 software 8.1
    ibm storwize v7000 software 8.1.1