Vulnerability Name:

CVE-2013-2140 (CCN-84804)

Assigned:2013-06-05
Published:2013-06-05
Updated:2023-02-13
Summary:Linux Kernel could allow a local attacker to bypass security restrictions, caused by the failure to properly check for disk write permissions by the dispatch_discard_io() function. An attacker could exploit this vulnerability to write to read only disk.
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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.8 Low (CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:P/A:P)
2.8 Low (Temporal CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/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): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2013-2140

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

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

Source: CCN
Type: oss-sec Mailing List: Wed, 5 Jun 2013
xen/blkback: Check device permissions before allowing OP_DISCARD

Source: CCN
Type: SA53666
Linux Kernel "dispatch_discard_io()" RO Disk Manipulation Security Issue

Source: CCN
Type: The Linux Kernel Archives 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: CCN
Type: BID-60414
Linux Kernel 'dispatch_discard_io()' Function Security Bypass Vulnerability

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: 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: Red Hat Bugzilla Bug 971146
(CVE-2013-2140) CVE-2013-2140 kernel: xen: blkback: insufficient permission checks for BLKIF_OP_DISCARD

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

Source: XF
Type: UNKNOWN
linux-kernel-cve20132140-sec-bypass(84804)

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

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:27304
    P
    ELSA-2013-2546 -- Unbreakable Enterprise Kernel security and bug fix update (important)
    2014-12-15
    oval:org.mitre.oval:def:27018
    P
    USN-1946-1 -- Linux kernel (OMAP4) vulnerabilities
    2014-12-08
    oval:org.mitre.oval:def:19027
    P
    USN-1938-1 -- linux vulnerabilities
    2014-07-07
    oval:org.mitre.oval:def:18799
    P
    USN-1945-1 -- linux-ti-omap4 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:19068
    P
    USN-2038-1 -- linux vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:18895
    P
    USN-1943-1 -- linux-lts-raring vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:19931
    P
    USN-2039-1 -- linux-ti-omap4 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:18897
    P
    USN-1944-1 -- linux vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:18721
    P
    USN-1947-1 -- linux-lts-quantal vulnerabilities
    2014-06-30
    oval:com.ubuntu.precise:def:20132140000
    V
    CVE-2013-2140 on Ubuntu 12.04 LTS (precise) - medium.
    2013-09-25
    oval:com.ubuntu.trusty:def:20132140000
    V
    CVE-2013-2140 on Ubuntu 14.04 LTS (trusty) - medium.
    2013-09-25
    oval:com.ubuntu.xenial:def:201321400000000
    V
    CVE-2013-2140 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-09-25
    oval:com.ubuntu.xenial:def:20132140000
    V
    CVE-2013-2140 on Ubuntu 16.04 LTS (xenial) - medium.
    2013-09-25
    BACK
    linux linux kernel 3.9 rc1