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CVE-2023-28577

Multiple Dmabuf Kernel Address UAF Vulnerability

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.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Qualcomm
Products
Fastconnect 6800 Fastconnect 6800 Firmware Fastconnect 6900 and 63 more
CVE-2023-28576

Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Kernel Driver

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.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Qualcomm
Products
Fastconnect 6800 Fastconnect 6800 Firmware Fastconnect 6900 and 59 more
CVE-2023-28575

Multiple Type Confusion Vulnerability

The cam_get_device_priv function does not check the type of handle being returned (device/session/link). This would lead to invalid type usage if a wrong handle is passed to it.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Qualcomm
Products
205 205 Firmware 215 and 117 more