Linux Kernel up to 6.4 HDA Device Driver snd_hdac_regmap_sync null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.4. It has been classified as problematic. Affected is the function snd_hdac_regmap_sync of the component HDA Device Driver Handler. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2024-23196. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.4 (Operating System). It has been rated as problematic. This issue affects the function snd_hdac_regmap_sync of the component HDA Device Driver Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

A race condition was found in the Linux kernel's sound/hda device driver in snd_hdac_regmap_sync() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.

The weakness was published 02/05/2024. The advisory is shared at bugzilla.openanolis.cn. The identification of this vulnerability is CVE-2024-23196 since 01/15/2024. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 6.5-rc1 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (OpenAnolis): 🔍

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 6.5-rc1

Timelineinfo

01/15/2024 🔍
02/05/2024 +21 days 🔍
02/05/2024 +0 days 🔍
02/29/2024 +24 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.openanolis.cn
Status: Confirmed

CVE: CVE-2024-23196 (🔍)
GCVE (CVE): GCVE-0-2024-23196
GCVE (VulDB): GCVE-100-252845

Entryinfo

Created: 02/05/2024 09:02
Updated: 02/29/2024 08:32
Changes: 02/05/2024 09:02 (52), 02/29/2024 08:32 (10)
Complete: 🔍
Cache ID: 216::103

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