PatchTheCVECVE-2025-47359: Memory Corruption when multiple threads simultaneously access a memory free API.
28
Routine
HIGH 7.8MITIGATEMITIGATEMITIGATE
CVE-2025-47359 is a high-severity flaw (CVSS 7.8) affecting qca6391 firmware, qca6420 firmware, qca6430 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Memory Corruption when multiple threads simultaneously access a memory free API.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 99%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-02-02 |
| Last modified | 2026-06-17 |
Publisher (CNA): Qualcomm, Inc. · Vendor: qualcomm
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
qualcomm qca6391 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
qualcomm qca6420 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
qualcomm qca6430 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
qualcomm qcc2072 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
qualcomm sc8380xp firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
qualcomm sc8180x-ad firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-47359?
qca6391 firmware: mitigate or apply the listed mitigation; qca6420 firmware: mitigate or apply the listed mitigation; qca6430 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-47359 being exploited?
CVE-2025-47359 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-47359 affect?
CVE-2025-47359 affects qca6391 firmware, qca6420 firmware, qca6430 firmware. Severity is high (CVSS 7.8). Memory Corruption when multiple threads simultaneously access a memory free API.
How urgent is CVE-2025-47359?
Priority 28/100. High severity
Software pages
Related CVEs
- CVE-2025-47337 MEDIUM 6.7 MITIGATE MITIGATE Memory corruption while accessing a synchronization object during concurrent operations.
- CVE-2026-24085 HIGH 7.2 MITIGATE MITIGATE Memory Corruption when processing display command line information due to improper initialization of a variabl
- CVE-2025-47384 MEDIUM 6.5 MITIGATE MITIGATE Transient DOS when MAC configures config id greater than supported maximum value.
- CVE-2025-27071 HIGH 7.3 MITIGATE MITIGATE Memory corruption while processing specific files in Powerline Communication Firmware.
- CVE-2025-27038 HIGH 7.5 EXPLOITED MITIGATE MITIGATE Qualcomm Multiple Chipsets Use-After-Free Vulnerability