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CVE-2023-52764 is an out-of-bounds shift vulnerability in the Linux kernel's gspca cpia1 USB camera driver. In the set_flicker function, an exposure gain value can cause the current exposure value to be left-shifted by an exponent greater than the width of a 32-bit int. This produces undefined behavior and is detected by UBSAN as a shift-out-of-bounds condition. The upstream fix adds a conditional check to prevent an invalid left-shift range.
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Linux kernel GSPCA CPIA1 driver shift-out-of-bounds flaw in set_flicker.
Unknown
A low-severity Linux kernel vulnerability in the media GSPCA CPIA1 driver. The set_flicker functionality can perform an out-of-bounds shift; the issue is described as resolved in upstream and vendor kernel updates.
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