CVE-2026-63965
CVE CVE-2026-63965EUVD EUVD-2026-45738Published 2026-07-19T14:55:53.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: iio: pressure: bmp280: fix stack leak in bmp580 trigger handler bmp580_trigger_handler() declares its scan buffer on the stack without an initializer and then memcpy()s 3 bytes of 24-bit sensor data into each 4-byte __le32 field. The high byte of comp_temp and comp_press is left uninitialized, and the channel storagebits is 32, so two bytes of stack are pushed to userspace per scan. This is a regression from when the buffer lived in the private data, the move to a stack-local struct dropped the implicit zeroing. bme280_trigger_handler() was fixed up to handle this bug, but this driver was not fixed because there was no padding hole, but rather a short-fill issue. Fix this all by just zero-initializing the structure on the stack.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux 872c8014e05ed47b8a7c0f5ba4311279a637150b <a58400f58f82f3d8de9c067aa7cda690228c1ecc; patch: 6.18.35; 6.16; 872c8014e05ed47b8a7c0f5ba4311279a637150b <387c86b582e0782ab332e7bfcd4e6e3f93922961; 872c8014e05ed47b8a7c0f5ba4311279a637150b <58dfb6fe9dc80270cf7cc014837af4cbf928e3aa; patch: 7.0.12; patch: 7.1; patch: 0
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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