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416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47263HistoryMay 21, 2024 - 3:15 p.m.
CVE-2021-47263
2024-05-2115:15:15
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
2
linux kernel
cve-2021-47263
gpio vulnerability
wcd934x
shift-out-of-bounds error
ubsan
usban check
In the Linux kernel, the following vulnerability has been resolved:
gpio: wcd934x: Fix shift-out-of-bounds error
bit-mask for pins 0 to 4 is BIT(0) to BIT(4) however we ended up with BIT(n - 1)
which is not right, and this was caught by below usban check
UBSAN: shift-out-of-bounds in drivers/gpio/gpio-wcd934x.c:34:14
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