Linux Kernel 4.15.0 on Ubuntu i915_gem_userptr.c i915_gem_userptr_get_pages IOCTL Call null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel 4.15.0 on Ubuntu. This affects the function i915_gem_userptr_get_pages of the file drivers/gpu/drm/i915/i915_gem_userptr.c. This manipulation as part of IOCTL Call causes null pointer dereference. The identification of this vulnerability is CVE-2019-12881. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel 4.15.0 on Ubuntu (Operating System). Affected by this vulnerability is the function i915_gem_userptr_get_pages of the file drivers/gpu/drm/i915/i915_gem_userptr.c. The manipulation as part of a IOCTL Call leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was shared 06/18/2019 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2019-12881 since 06/18/2019. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 246667 (Linux Distros Unpatched Vulnerability : CVE-2019-12881), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (246667). The entries VDB-135653, VDB-135722, VDB-135882 and VDB-135883 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 246667
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-12881

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/18/2019 🔍
06/18/2019 +0 days 🔍
06/19/2019 +1 days 🔍
08/09/2025 +2243 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12881 (🔍)
GCVE (CVE): GCVE-0-2019-12881
GCVE (VulDB): GCVE-100-136639
SecurityFocus: 108873

See also: 🔍

Entryinfo

Created: 06/19/2019 07:25
Updated: 08/09/2025 17:16
Changes: 06/19/2019 07:25 (59), 06/25/2020 14:57 (2), 10/06/2023 10:53 (3), 08/09/2025 17:16 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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