drbd: fix "LOGIC BUG" in drbd_al_begin_io_nonblock()

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CVE-2026-23356

The CVE-2026-23356 issue affects the Linux kernel DRBD subsystem. A logic bug in drbd_al_begin_io_nonblock() could mis-handle a reference-counted extent when lc_get_cumulative() and lc_try_lock() timing collided, risking a crash or incorrect assumption that an activity log extent is active during...

CVE-2026-23356

In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbdalbeginiononblock Even though we check that we "should" be able to do lcgetcumulative while holding the device-allock spinlock, it may still fail, if some other code path decided to do lctrylock with...

PT-2026-27650

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel where a null-pointer dereference can occur in the drbd request endio function. This happens when READ COMPLETED WITH ERROR is passed to req mod with a...

Linux Distros Unpatched Vulnerability : CVE-2022-50506

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: drbd: only clone bio if we have a backing device Commit c347a787e34cb drbd: set -bibdev in...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from DRBD not properly increasing the reference count...

DEBIAN-CVE-2015-7945

The RESTful control interface aka RAPI or ganeti-rapi in Ganeti before 2.9.7, 2.10.x before 2.10.8, 2.11.x before 2.11.8, 2.12.x before 2.12.6, 2.13.x before 2.13.3, 2.14.x before 2.14.2, and 2.15.x before 2.15.2 allows remote attackers to obtain the DRBD secret via instance information job resul...