Linux Kernel up to 5.11.8 Soundwire Device Driver sound/soc/qcom/sdm845.c buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel up to 5.11.8 (Operating System) and classified as critical. Affected by this issue is an unknown code of the file sound/soc/qcom/sdm845.c of the component Soundwire Device Driver Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.
The weakness was presented 03/21/2021. The advisory is available at lore.kernel.org. This vulnerability is handled as CVE-2021-28952. Technical details are known, but there is no available exploit.
Upgrading to version 5.12-rc4 eliminates this vulnerability. Applying a patch 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.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.12-rc4
Patch: git.kernel.org
Timeline
03/20/2021 🔍03/21/2021 🔍
03/21/2021 🔍
04/03/2021 🔍
Sources
Vendor: kernel.orgAdvisory: lore.kernel.org
Status: Confirmed
CVE: CVE-2021-28952 (🔍)
Entry
Created: 03/21/2021 07:53Updated: 04/03/2021 13:17
Changes: 03/21/2021 07:53 (42), 04/03/2021 13:12 (5), 04/03/2021 13:17 (18)
Complete: 🔍
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