CVE-2026-43174

Summary

In the Linux kernel, the following vulnerability has been resolved:

io_uring/zcrx: fix post open error handling

Closing a queue doesn't guarantee that all associated page pools are terminated right away, let the refcounting do the work instead of releasing the zcrx ctx directly.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe0793de24a9f610bd8ce106f7033b3966e7fca0e < 18afaff077b46655a8eb6fd7f6de1b81327be577affected
LinuxLinuxe0793de24a9f610bd8ce106f7033b3966e7fca0e < 5d540e4508950c674d6feef1d95463d039bbf4f5affected
LinuxLinux6.15affected
LinuxLinux0 < 6.15unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References