What’s Vulnerable › Vulnerabilities
CVE-2023-28576: Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Kernel Driver
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-08-08 · updated 2026-06-17
- Weakness: CWE-367
Description
The buffer obtained from kernel APIs such as cam_mem_get_cpu_buf() may be readable/writable in userspace after kernel accesses it. In other words, user mode may race and modify the packet header (e.g. header.count), causing checks (e.g. size checks) in kernel code to be invalid. This may lead to out-of-bounds read/write issues.
Affected products
- Qualcomm Fastconnect 6800 Firmware: all versions
- Qualcomm Fastconnect 6900 Firmware: all versions
- Qualcomm Fastconnect 7800 Firmware: all versions
- Qualcomm Qca6391 Firmware: all versions
- Qualcomm Qca6426 Firmware: all versions
- Qualcomm Qca6436 Firmware: all versions
- Qualcomm Qcn9074 Firmware: all versions
- Qualcomm Qcs410 Firmware: all versions
- Qualcomm Qcs610 Firmware: all versions
- Qualcomm Sd865 5G Firmware: all versions
- Qualcomm Snapdragon 865+ 5G Firmware: all versions
- Qualcomm Snapdragon 865 5G Firmware: all versions
- Qualcomm Snapdragon 870 5G Firmware: all versions
- Qualcomm Snapdragon 8 Gen 1 Firmware: all versions
- Qualcomm Snapdragon X55 5G Firmware: all versions
- Qualcomm Snapdragon Xr2 5G Firmware: all versions
- Qualcomm Sw5100 Firmware: all versions
- Qualcomm Sw5100P Firmware: all versions
- Qualcomm Sxr2130 Firmware: all versions
- Qualcomm Wcd9341 Firmware: all versions
- Qualcomm Wcd9370 Firmware: all versions
- Qualcomm Wcd9380 Firmware: all versions
- Qualcomm Wcn3660B Firmware: all versions
- Qualcomm Wcn3680B Firmware: all versions
- Qualcomm Wcn3950 Firmware: all versions
- Qualcomm Wcn3980 Firmware: all versions
- Qualcomm Wcn3988 Firmware: all versions
- Qualcomm Wsa8810 Firmware: all versions
- Qualcomm Wsa8815 Firmware: all versions
- Qualcomm Wsa8830 Firmware: all versions
References
- https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin
- https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin
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