Linux Kernel up to 5.18.2 vop_bind resource_size null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.18.2. It has been classified as problematic. Affected by this issue is the function resource_size of the component vop_bind. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2022-49491. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.18.2. Affected by this vulnerability is the function resource_size of the component vop_bind. The manipulation with an unknown input 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:

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-49491 since 02/26/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240793 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14 or 5.18.3 eliminates this vulnerability. Applying the patch 452922955df215a417c80d09dab72bbc667a1861/fcd6a886443730c39170b8383411e52118aec0a3/6ff986e057bf28e2f7690dad410768b2270f9453/a9b4599665e437de8a1152799c34841b799a2e1c/3451852312303d54a003c73bd0ae39cebb960bd5/b54926bd558d97c888c3d2d87886f3c159d3254a/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1/ecfa52654d0c9c333c1fe1611f47105f6bce9591/f8c242908ad15bbd604d3bcb54961b7d454c43f8 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (240793). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240793
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.9.318/4.14.283/4.19.247/5.4.198/5.10.121/5.15.46/5.17.14/5.18.3
Patch: 452922955df215a417c80d09dab72bbc667a1861/fcd6a886443730c39170b8383411e52118aec0a3/6ff986e057bf28e2f7690dad410768b2270f9453/a9b4599665e437de8a1152799c34841b799a2e1c/3451852312303d54a003c73bd0ae39cebb960bd5/b54926bd558d97c888c3d2d87886f3c159d3254a/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1/ecfa52654d0c9c333c1fe1611f47105f6bce9591/f8c242908ad15bbd604d3bcb54961b7d454c43f8

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
06/28/2025 +122 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49491 (🔍)
GCVE (CVE): GCVE-0-2022-49491
GCVE (VulDB): GCVE-100-297001

Entryinfo

Created: 02/26/2025 09:41
Updated: 06/28/2025 04:07
Changes: 02/26/2025 09:41 (23), 02/26/2025 09:44 (36), 06/28/2025 04:07 (2)
Complete: 🔍
Committer: sany
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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