Bug 2536145 (CVE-2026-90396) - CVE-2026-90396 kernel: block: fix dio leak on metadata mapping error
Summary: CVE-2026-90396 kernel: block: fix dio leak on metadata mapping error
Keywords:
Status: NEW
Alias: CVE-2026-90396
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-17 16:40 UTC by OSIDB Bzimport
Modified: 2026-10-20 11:02 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-09-17 16:40:45 UTC 
In the Linux kernel, the following vulnerability has been resolved:

block: fix dio leak on metadata mapping error

A failed integrity mapping holds a dio reference, so we need to go
through the full bio ending in case there were previously submitted
bio's in the sequence.
Comment 1 gkamathe 2026-09-21 09:21:18 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90396.mbox
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