Home/CVE/In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a functio
CVE

CVE-2023-28577

In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a functio

In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a function called cam_mem_get_cpu_buf to get the kernel va to use, another thread can call CAM_REQ_MGR_RELEASE_BUF to unmap the kernel va which cause UAF of the kernel address.

MEDIUM · CVSS 6.7 EPSS 0.00034
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

31
qualcomm fastconnect 6800 firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6426 firmwareall versions
qualcomm qca6436 firmwareall versions
qualcomm qcn9074 firmwareall versions
qualcomm qcs410 firmwareall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Aug 2023 · 10:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletinPatchVendor Advisory
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