CVE-2025-40124 — Linux vulnerability
54 documents6 sources
Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vectorEPSS
0.1%
top 82.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 12
Latest updateApr 13
Description
In the Linux kernel, the following vulnerability has been resolved:
sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC III
Anthony Yznaga tracked down that a BUG_ON in ext4 code with large folios
enabled resulted from copy_from_user() returning impossibly large values
greater than the size to be copied. This lead to __copy_from_iter()
returning impossible values instead of the actual number of bytes it was
able to copy.
The BUG_ON has been reported in
https://lore.k…
Affected Packages6 packages
▶CVEListV5linux/linuxee841d0aff649164080e445e84885015958d8ff4 — fdd43fe6d286f27b826572457a89c926f97e2d3a+10