CVE-2026-23356: drbd: fix "LOGIC BUG" in drbd_al_begin_io_nonblock()
Published Mar 25, 2026
·Updated
drbd: fix "LOGIC BUG" in drbdalbeginiononblock()
Affected Software
17 affected componentsFixes available
Linux DRBD (Linux kernel module)
Microsoft azl3 kernel 6.6.126.1-1
Linux Linux kernel>=3.10.1<5.10.253
Linux Linux kernel>=5.11<5.15.203
Linux Linux kernel>=5.16<6.1.167
Linux Linux kernel>=6.2<6.6.130
Linux Linux kernel>=6.7<6.12.77
Linux Linux kernel>=6.13<6.18.17
Linux Linux kernel>=6.19<6.19.7
Linux Linux kernel=3.10
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7
Remediation
Event History
Mar 25, 2026
CVE Published
via MITRE·10:27 AM
Data Sourced
via MITRE·10:27 AM
Description
Data Sourced
via NVD·11:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Mar 26, 2026
Data Sourced
via Microsoft·08:07 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:07 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-23356?
CVE-2026-23356 has been classified as a moderate severity vulnerability in the Linux kernel's DRBD module.
2
How do I fix CVE-2026-23356?
To fix CVE-2026-23356, users should update to the latest version of the Linux DRBD kernel module that includes the patch for this vulnerability.
3
What are the potential impacts of CVE-2026-23356?
The potential impacts of CVE-2026-23356 include data corruption and instability in the DRBD cluster synchronization process.
4
Which systems are affected by CVE-2026-23356?
CVE-2026-23356 affects systems running the Linux DRBD kernel module.
5
Is there a patch available for CVE-2026-23356?
Yes, a patch for CVE-2026-23356 has been released as part of the kernel updates.