Bug 2448683 (CVE-2026-23263) - CVE-2026-23263 kernel: io_uring/zcrx: fix page array leak
Summary: CVE-2026-23263 kernel: io_uring/zcrx: fix page array leak
Keywords:
Status: NEW
Alias: CVE-2026-23263
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-18 18:02 UTC by OSIDB Bzimport
Modified: 2026-03-18 20:06 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-03-18 18:02:10 UTC 
In the Linux kernel, the following vulnerability has been resolved:

io_uring/zcrx: fix page array leak

d9f595b9a65e ("io_uring/zcrx: fix leaking pages on sg init fail") fixed
a page leakage but didn't free the page array, release it as well.
Comment 1 Jon Moroney 2026-03-18 20:04:07 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026031820-CVE-2026-23263-5c88@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.