Expired Pointer Dereference Affecting openshift/ose-rhel-coreos-9 package, versions *
Threat Intelligence
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Test your applications- Snyk IDSNYK-RHEL9-OPENSHIFTOSERHELCOREOS9-21897869
- published30 Oct 2026
- disclosed23 Oct 2026
Introduced: 23 Oct 2026
NewCVE-2026-99001 (opens in a new tab)How to fix?
There is no fixed version for RHEL:9 openshift/ose-rhel-coreos-9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openshift/ose-rhel-coreos-9 package and not the openshift/ose-rhel-coreos-9 package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/xe/i2c: cancel the client work on remove
xe_i2c_notifier() stores the DesignWare adapter in i2c->adapter and schedules i2c->work when the adapter is registered under the xe I2C platform device, and xe_i2c_client_work() then instantiates the AMC client device on that adapter.
xe_i2c_remove() tears down the AMC, unregisters the client devices, the bus notifier and the adapter platform device, but it never drains i2c->work. A work item that is still queued or running when the adapter is unregistered dereferences i2c->adapter in i2c_new_client_device() after platform_device_unregister() has released the adapter. The work item is also embedded in the devm-allocated struct xe_i2c, so a work item still queued after the drm device devm unwind frees that allocation runs its callback on freed memory.
The bus notifier is the only thing that schedules this work, and it is unregistered after the client devices. An instance that is still queued when the teardown runs can therefore write i2c->client[XE_I2C_CLIENT_AMC] while the loop is unregistering and clearing the same array, and an AMC client it instantiates late is only cleaned up by the adapter's own child sweep in i2c_del_adapter().
Move bus_unregister_notifier() in front of the client teardown loop and cancel the work right after it, so no new instance can be scheduled and a queued instance is drained before the client array is touched. A running instance still finds a live adapter, since the adapter is unregistered later.
(cherry picked from commit a23f27d5ec11c3f418c5e5531eea34ccda2b5b20)