Vulnerability Name:

CVE-2019-12881 (CCN-162874)

Assigned:2019-06-18
Published:2019-06-18
Updated:2020-06-29
Summary:i915_gem_userptr_get_pages in drivers/gpu/drm/i915/i915_gem_userptr.c in the Linux kernel 4.15.0 on Ubuntu 18.04.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact via crafted ioctl calls to /dev/dri/card0.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
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): High
Integrity (I): High
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)
5.6 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:P/RL:U/RC:R)
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
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
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-12881

Source: BID
Type: Third Party Advisory, VDB Entry
108873

Source: XF
Type: UNKNOWN
linux-kernel-cve201912881-dos(162874)

Source: CCN
Type: GitHub Web site
drm_i915_ktsploit.c

Source: MISC
Type: Exploit, Third Party Advisory
https://gist.github.com/oxagast/472866fb2c3d439e10499d7141d0a520

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20190710-0002/

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

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-12881

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:4.15:-:*:*:*:*:*:*
  • AND
  • cpe:/o:canonical:ubuntu_linux:18.04.2:*:*:*:lts:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.11:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.12:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.13.0:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.14:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.15.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.cosmic:def:2019128810000000
    V
    		CVE-2019-12881 on Ubuntu 18.10 (cosmic) - medium.
    2019-06-18
    oval:com.ubuntu.bionic:def:2019128810000000
    V
    		CVE-2019-12881 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-06-18
    oval:com.ubuntu.xenial:def:2019128810000000
    V
    		CVE-2019-12881 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-06-18
    oval:com.ubuntu.disco:def:2019128810000000
    V
    		CVE-2019-12881 on Ubuntu 19.04 (disco) - medium.
    2019-06-18
    BACK
    linux linux kernel 4.15
    canonical ubuntu linux 18.04.2
    linux linux kernel 4.11
    linux linux kernel 4.12
    linux linux kernel 4.13.0
    linux linux kernel 4.14
    linux linux kernel 4.15.0