CVE-2025-40302
High
Description
In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: forbid remove_bufs when legacy fileio is active vb2_ioctl_remove_bufs() call manipulates queue internal buffer list, potentially overwriting some pointers used by the legacy fileio access mode. Forbid that ioctl when fileio is active to protect internal queue state between subsequent read/write calls.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedDec 8, 2025
First seenDec 8, 2025
How to fix
Update
- Linux Linuxa6a493b985bfffac097a4e1be09f98b27729dca8, e819b34df0a7030a15c968d619fa8a3ed2455c7a, 27afd6e066cfd80ddbe22a4a11b99174ac89cced or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | a3293a85381ec9680aa2929547fbc76c5d87a1b2 ≤ v < a6a493b985bfffac097a4e1be09f98b27729dca8, a3293a85381ec9680aa2929547fbc76c5d87a1b2 ≤ v < e819b34df0a7030a15c968d619fa8a3ed2455c7a, a3293a85381ec9680aa2929547fbc76c5d87a1b2 ≤ v < 27afd6e066cfd80ddbe22a4a11b99174ac89cced, 6.10 | a6a493b985bfffac097a4e1be09f98b27729dca8, e819b34df0a7030a15c968d619fa8a3ed2455c7a, 27afd6e066cfd80ddbe22a4a11b99174ac89cced |
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