Bug 2532259 (CVE-2026-89575) - CVE-2026-89575 kernel: dm raid1: reserve space for NUL-terminator in build_constructor_string()
Summary: CVE-2026-89575 kernel: dm raid1: reserve space for NUL-terminator in build_co...
Keywords:
Status: NEW
Alias: CVE-2026-89575
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-11 21:46 UTC by OSIDB Bzimport
Modified: 2026-09-18 16:52 UTC (History)
17 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-11 21:46:35 UTC 
In the Linux kernel, the following vulnerability has been resolved:

dm raid1: reserve space for NUL-terminator in build_constructor_string()

Reserve space for the termination NUL after the maximum 20 decimal
digits of a long long value to avoid buffer overflow in sprintf().
Comment 1 Keith Grant 2026-09-18 16:46:19 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89575.mbox
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