CVE-2025-40048 — Race Condition in Linux
Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vectorEPSS
0.1%
top 82.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 28
Latest updateApr 13
Description
In the Linux kernel, the following vulnerability has been resolved:
uio_hv_generic: Let userspace take care of interrupt mask
Remove the logic to set interrupt mask by default in uio_hv_generic
driver as the interrupt mask value is supposed to be controlled
completely by the user space. If the mask bit gets changed
by the driver, concurrently with user mode operating on the ring,
the mask bit may be set when it is supposed to be clear, and the
user-mode driver will miss an interrupt which will…
Affected Packages7 packages
▶CVEListV5linux/linux95096f2fbd10186d3e78a328b327afc71428f65f — 540aac117eaea5723cef5e4cbf3035c4ac654d92+8