Linux Kernel up to 5.18.3 scsi starget_to_rport 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 was found in Linux Kernel up to 5.18.3. It has been declared as critical. Affected by this vulnerability is the function starget_to_rport of the component scsi. Executing a manipulation can lead to null pointer dereference. This vulnerability is registered as CVE-2022-49332. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.18.3. It has been declared as critical. This vulnerability affects the function starget_to_rport of the component scsi. 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. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Address NULL pointer dereference after starget_to_rport() Calls to starget_to_rport() may return NULL. Add check for NULL rport before dereference.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-49332 since 02/26/2025. Technical details are known, but there is no available exploit.

Upgrading to version 5.18.4 eliminates this vulnerability. Applying the patch 68fcff1127e4995ddbd4b6861892a25c23db3f70/6f808bd78e8296b4ded813b7182988d57e1f6176 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.

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Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.18.4
Patch: 68fcff1127e4995ddbd4b6861892a25c23db3f70/6f808bd78e8296b4ded813b7182988d57e1f6176

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49332 (🔍)
GCVE (CVE): GCVE-0-2022-49332
GCVE (VulDB): GCVE-100-296890

Entryinfo

Created: 02/26/2025 08:14
Changes: 02/26/2025 08:14 (59)
Complete: 🔍
Cache ID: 216::103

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