CVE-2025-40100 — Reachable Assertion in Linux
Severity
3.2LOWOSV
No vectorEPSS
0.1%
top 82.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 30
Latest updateApr 9
Description
In the Linux kernel, the following vulnerability has been resolved:
btrfs: do not assert we found block group item when creating free space tree
Currently, when building a free space tree at populate_free_space_tree(),
if we are not using the block group tree feature, we always expect to find
block group items (either extent items or a block group item with key type
BTRFS_BLOCK_GROUP_ITEM_KEY) when we search the extent tree with
btrfs_search_slot_for_read(), so we assert that we found an item.…