Qualcomm Multiple Chipsets Detection of Error Condition Without Action
CVE-2021-1906 is a medium-severity vulnerability in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables from Qualcomm, with a CVSS 3.1 base score of 5.5 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. CISA added it to the Known Exploited Vulnerabilities catalogue on November 3, 2021, which means attacks have been observed in the wild.
Attackers are already exploiting this vulnerability, according to CISA.
What to do
- Check which version of Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables you run against the affected versions below, and install the vendor's latest release.
- CISA's required action: Apply updates per vendor instructions.
- Read the advisory on qualcomm.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Qualcomm | Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables | Not specified in the record | Not stated |
| Qualcomm | Apq8009 Firmware | Not specified in the record | Not stated |
| Qualcomm | Apq8009w Firmware | Not specified in the record | Not stated |
| Qualcomm | Apq8017 Firmware | Not specified in the record | Not stated |
| Qualcomm | Apq8053 Firmware | Not specified in the record | Not stated |
| Qualcomm | Apq8064au Firmware | Not specified in the record | Not stated |
| Qualcomm | Apq8096au Firmware | Not specified in the record | Not stated |
| Qualcomm | Aqt1000 Firmware | Not specified in the record | Not stated |
| Qualcomm | Ar8031 Firmware | Not specified in the record | Not stated |
| Qualcomm | Ar8035 Firmware | Not specified in the record | Not stated |
| Qualcomm | Ar8151 Firmware | Not specified in the record | Not stated |
| Qualcomm | Csra6620 Firmware | Not specified in the record | Not stated |
| Qualcomm | Csra6640 Firmware | Not specified in the record | Not stated |
| Qualcomm | Csrb31024 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fsm10055 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fsm10056 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9150 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9206 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9250 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9607 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9626 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9628 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9650 Firmware | Not specified in the record | Not stated |
| Qualcomm | Msm8909w Firmware | Not specified in the record | Not stated |
| Qualcomm | Msm8917 Firmware | Not specified in the record | Not stated |
Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 6.2 | Medium | CNA (qualcomm.com) |
| CVSS 3.1 | 5.5 | Medium | NVD |
| CVSS 2.0 | 2.1 | Low | NVD |
Official description
Improper handling of address deregistration on failure can lead to new GPU address allocation failure. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
Timeline
- CVE record published.
- Added to CISA's Known Exploited Vulnerabilities catalogue.
- Deadline for US federal agencies to remediate, set by CISA.
- CISA published its SSVC assessment (exploitation: active, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1906US Government Resource
Other vulnerabilities in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- 7.8 High severity
- 7.8 High severity
- 9.8 Critical severity
- 7.8 High severity
- 7.5 High severity
- 7.8 High severity
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