Linux Kernel up to 5.16.16 ice_update_vsi_tx_ring_stats 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 5.16.16 and classified as critical. This impacts the function ice_update_vsi_tx_ring_stats. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2022-48841. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.16.16. Affected is the function ice_update_vsi_tx_ring_stats. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats() It is possible to do NULL pointer dereference in routine that updates Tx ring stats. Currently only stats and bytes are updated when ring pointer is valid, but later on ring is accessed to propagate gathered Tx stats onto VSI stats. Change the existing logic to move to next ring when ring is NULL.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-48841 since 07/16/2024. There are known technical details, but no exploit is available.

Upgrading to version 5.16.17 eliminates this vulnerability. Applying the patch 2397270ec97c/f153546913ba 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

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

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: Partially
Local: Yes
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 5.16.17
Patch: 2397270ec97c/f153546913ba

Timelineinfo

07/16/2024 🔍
07/16/2024 +0 days 🔍
07/16/2024 +0 days 🔍
07/17/2024 +1 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48841 (🔍)
GCVE (CVE): GCVE-0-2022-48841
GCVE (VulDB): GCVE-100-271632

Entryinfo

Created: 07/16/2024 17:11
Updated: 07/17/2024 23:06
Changes: 07/16/2024 17:11 (58), 07/17/2024 23:06 (11)
Complete: 🔍
Cache ID: 216::103

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