Vulnerability Name:

CVE-2018-11232 (CCN-143517)

Assigned:2017-01-25
Published:2017-01-25
Updated:2018-06-19
Summary:The etm_setup_aux function in drivers/hwtracing/coresight/coresight-etm-perf.c in the Linux kernel before 4.10.2 allows attackers to cause a denial of service (panic) because a parameter is incorrectly used as a local variable.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN 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 (CCN 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
CVSS v2 Severity:4.9 Medium (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-11232

Source: MISC
Type: Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f09444639099584bc4784dfcd85ada67c6f33e0f

Source: XF
Type: UNKNOWN
linux-kernel-cve201811232-dos(143517)

Source: CCN
Type: Linux Kernel GIT Repository
coresight: fix kernel panic caused by invalid CPU

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/f09444639099584bc4784dfcd85ada67c6f33e0f

Source: MISC
Type: Vendor Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.2

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 4.10.2)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.10.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:201811232000
    V
    		CVE-2018-11232 on Ubuntu 17.10 (artful) - low.
    2018-05-18
    oval:com.ubuntu.bionic:def:2018112320000000
    V
    		CVE-2018-11232 on Ubuntu 18.04 LTS (bionic) - low.
    2018-05-18
    oval:com.ubuntu.bionic:def:201811232000
    V
    		CVE-2018-11232 on Ubuntu 18.04 LTS (bionic) - low.
    2018-05-18
    oval:com.ubuntu.xenial:def:2018112320000000
    V
    		CVE-2018-11232 on Ubuntu 16.04 LTS (xenial) - low.
    2018-05-18
    oval:com.ubuntu.trusty:def:201811232000
    V
    		CVE-2018-11232 on Ubuntu 14.04 LTS (trusty) - low.
    2018-05-18
    oval:com.ubuntu.xenial:def:201811232000
    V
    		CVE-2018-11232 on Ubuntu 16.04 LTS (xenial) - low.
    2018-05-18
    BACK
    linux linux kernel *
    linux linux kernel 4.10.1