CVE-2021-47263

Summary

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

Affected Software

VendorProductVersion RangeStatus
LinuxLinux59c324683400b41caa6d85b091e812ee3d5415c3 < e0b518a2eb44d8a74c19e50f79a8ed393e96d634affected
LinuxLinux59c324683400b41caa6d85b091e812ee3d5415c3 < dd55331d493b7ea75c5db1f24d6822946fde2862affected
LinuxLinux59c324683400b41caa6d85b091e812ee3d5415c3 < dbec64b11c65d74f31427e2b9d5746fbf17bf840affected
LinuxLinux5.6affected
LinuxLinux0 < 5.6unaffected
LinuxLinux5.10.44 <= 5.10.*unaffected
LinuxLinux5.12.11 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References