Description
In the Linux kernel, the following vulnerability has been resolved:
io_uring: Fix release of pinned pages when __io_uaddr_map fails
Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages.
I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 223ef474316466e9f61f6e0064f3a6fe4923a2c5, < 0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62; >= 223ef474316466e9f61f6e0064f3a6fe4923a2c5, < 712e2c8415f55a4a4ddaa98a430b87f624109f69; >= 223ef474316466e9f61f6e0064f3a6fe4923a2c5, < 4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3a; >= 223ef474316466e9f61f6e0064f3a6fe4923a2c5, < 67d1189d1095d471ed7fa426c7e384a7140a5dd7; 3f3164ce6396138747984ee9e61158e248246300; >= 6.5.7, < 6.6 |
| Linux | Linux | 6.6 |
References
- https://git.kernel.org/stable/c/0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62Patch
- https://git.kernel.org/stable/c/4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3aPatch
- https://git.kernel.org/stable/c/67d1189d1095d471ed7fa426c7e384a7140a5dd7Patch
- https://git.kernel.org/stable/c/712e2c8415f55a4a4ddaa98a430b87f624109f69Patch
- https://git.kernel.org/stable/c/0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62Patch
- https://git.kernel.org/stable/c/4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3aPatch
- https://git.kernel.org/stable/c/67d1189d1095d471ed7fa426c7e384a7140a5dd7Patch
- https://git.kernel.org/stable/c/712e2c8415f55a4a4ddaa98a430b87f624109f69Patch
Timeline
- Published
- May 17, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed