Bug 2540323 (CVE-2026-93262) - CVE-2026-93262 kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush()
Summary: CVE-2026-93262 kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush()
Keywords:
Status: NEW
Alias: CVE-2026-93262
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-24 16:20 UTC by OSIDB Bzimport
Modified: 2026-09-28 11:14 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-09-24 16:20:47 UTC 
In the Linux kernel, the following vulnerability has been resolved:

md/raid5-ppl: fix use-after-free in ppl_do_flush()

The loop in ppl_do_flush() continues iterating after calling
ppl_io_unit_finished(), touching io->pending_flushes and leading to a
use-after-free.

Add a break statement to stop the loop once io is freed.
Comment 1 gkamathe 2026-09-28 11:10:10 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93262.mbox
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