Linux Kernel up to 5.16.11 mlx5_cmd_dr_create_fte out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.16.11. It has been rated as problematic. The impacted element is the function mlx5_cmd_dr_create_fte. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2022-48932. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.16.11 and classified as problematic. This issue affects the function mlx5_cmd_dr_create_fte. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, Fix slab-out-of-bounds in mlx5_cmd_dr_create_fte When adding a rule with 32 destinations, we hit the following out-of-band access issue: BUG: KASAN: slab-out-of-bounds in mlx5_cmd_dr_create_fte+0x18ee/0x1e70 This patch fixes the issue by both increasing the allocated buffers to accommodate for the needed actions and by checking the number of actions to prevent this issue when a rule with too many actions is provided.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2022-48932 since 08/21/2024. Technical details are known, but no exploit is available.

Upgrading to version 5.16.12 eliminates this vulnerability. Applying the patch 4ad319cdfbe5/0aec12d97b20 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

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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 5.16.12
Patch: 4ad319cdfbe5/0aec12d97b20

Timelineinfo

08/21/2024 🔍
08/22/2024 +1 days 🔍
08/22/2024 +0 days 🔍
08/23/2024 +1 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48932 (🔍)
GCVE (CVE): GCVE-0-2022-48932
GCVE (VulDB): GCVE-100-275513

Entryinfo

Created: 08/22/2024 07:39
Updated: 08/23/2024 11:25
Changes: 08/22/2024 07:39 (58), 08/23/2024 11:25 (12)
Complete: 🔍
Cache ID: 216::103

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