Description
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: Cleanup initializations and fix sign-extension bug Include linux/bitfield.h for FIELD_GET(). Create new macros for bit manipulation in combination with manual bit manipulation being replaced with FIELD_GET(). The current variable declaration and initializations are barely readable and use comma separations across multiple lines. Refactor the initializations so that mantissa and exp have separate declarations and sign gets initialized later. In addition (and due to the nature of the cleanup), fix a sign-extension bug where, float32 would get bitwise anded with ~BIT(31) (which is 0xFFFFFFFF7FFFFFFF) which corrupted the exponent.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 0ccff849bde90973e6c13a666f6ceab5c55b30d4affected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 1821bcacd8ac5b214c53be16cbb8172bf193f0b6affected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 40bb0fdb37f441c9c9f52bf58bbd8a0ca3cc9598affected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < b131f0011dfef72350f4e3f11df94dc3e6b46065affected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 8d4a46e971cf846bda98b20d4cabfa21c1276e5faffected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 82accdd57404399eddf3d56fd9beda7c61307388affected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < d49ff54b2784aa56a7c97982de713604de89d23aaffected64b3d8b1b0f5c16c19045785e4da8391ae35ec99 to < 60d877910a43c305b5165131b258a17b1d772d57affected
Linux Linux
Default version status: affected
5.9affected0 to < 5.9unaffected5.10.261 to ≤ 5.10.*unaffected5.15.212 to ≤ 5.15.*unaffected6.1.178 to ≤ 6.1.*unaffected6.6.145 to ≤ 6.6.*unaffected6.12.96 to ≤ 6.12.*unaffected6.18.39 to ≤ 6.18.*unaffected7.1.4 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/0ccff849bde90973e6c13a666f6ceab5c55b30d4 ↗
- https://git.kernel.org/stable/c/1821bcacd8ac5b214c53be16cbb8172bf193f0b6 ↗
- https://git.kernel.org/stable/c/40bb0fdb37f441c9c9f52bf58bbd8a0ca3cc9598 ↗
- https://git.kernel.org/stable/c/b131f0011dfef72350f4e3f11df94dc3e6b46065 ↗
- https://git.kernel.org/stable/c/8d4a46e971cf846bda98b20d4cabfa21c1276e5f ↗
- https://git.kernel.org/stable/c/82accdd57404399eddf3d56fd9beda7c61307388 ↗
- https://git.kernel.org/stable/c/d49ff54b2784aa56a7c97982de713604de89d23a ↗
- https://git.kernel.org/stable/c/60d877910a43c305b5165131b258a17b1d772d57 ↗