CVE-2025-40267
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: io_uring/rw: ensure allocated iovec gets cleared for early failure A previous commit reused the recyling infrastructure for early cleanup, but this is not enough for the case where our internal caches have overflowed. If this happens, then the allocated iovec can get leaked if the request is also aborted early. Reinstate the previous forced free of the iovec for that situation.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 6, 2025
First seenDec 6, 2025
How to fix
Update
- Linux Linux094c6467fe05e0de618c5a7fcff4d3ee20aeaef8, d3c9c213c0b86ac5dd8fe2c53c24db20f1f510bc or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 9ac273ae3dc296905b4d61e4c8e7a25592f6d183 ≤ v < 094c6467fe05e0de618c5a7fcff4d3ee20aeaef8, 9ac273ae3dc296905b4d61e4c8e7a25592f6d183 ≤ v < d3c9c213c0b86ac5dd8fe2c53c24db20f1f510bc, 6.14 | 094c6467fe05e0de618c5a7fcff4d3ee20aeaef8, d3c9c213c0b86ac5dd8fe2c53c24db20f1f510bc |
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