Vulnerability Description
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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6, < 5.10.44 |
References
- https://git.kernel.org/stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840Patch
- https://git.kernel.org/stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862Patch
- https://git.kernel.org/stable/c/e0b518a2eb44d8a74c19e50f79a8ed393e96d634Patch
- https://git.kernel.org/stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840Patch
- https://git.kernel.org/stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862Patch
- https://git.kernel.org/stable/c/e0b518a2eb44d8a74c19e50f79a8ed393e96d634Patch
FAQ
What is CVE-2021-47263?
CVE-2021-47263 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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) whic...
How severe is CVE-2021-47263?
CVE-2021-47263 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47263?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.