CVEvulnerability
CVE-2021-47263
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
Affected configurations
• linux linux kernel (>= 5.6 < 5.10.44)
• linux linux kernel (>= 5.11 < 5.12.11)
• linux linux kernel 5.13
References
- https://git.kernel.org/stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840 Patch
- https://git.kernel.org/stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862 Patch
- https://git.kernel.org/stable/c/e0b518a2eb44d8a74c19e50f79a8ed393e96d634 Patch
- https://git.kernel.org/stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840 Patch
- https://git.kernel.org/stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862 Patch
- https://git.kernel.org/stable/c/e0b518a2eb44d8a74c19e50f79a8ed393e96d634 Patch