The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade SLES:15.3
kernel-64kb
to version 5.3.18-150300.59.164.1 or higher.
Note: Versions mentioned in the description apply only to the upstream kernel-64kb
package and not the kernel-64kb
package as distributed by SLES
.
See How to fix?
for SLES:15.3
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
scsi: core: sysfs: Fix hang when device state is set via sysfs
This fixes a regression added with:
commit f0f82e2476f6 ("scsi: core: Fix capacity set to zero after offlinining device")
The problem is that after iSCSI recovery, iscsid will call into the kernel to set the dev's state to running, and with that patch we now call scsi_rescan_device() with the state_mutex held. If the SCSI error handler thread is just starting to test the device in scsi_send_eh_cmnd() then it's going to try to grab the state_mutex.
We are then stuck, because when scsi_rescan_device() tries to send its I/O scsi_queue_rq() calls -> scsi_host_queue_ready() -> scsi_host_in_recovery() which will return true (the host state is still in recovery) and I/O will just be requeued. scsi_send_eh_cmnd() will then never be able to grab the state_mutex to finish error handling.
To prevent the deadlock move the rescan-related code to after we drop the state_mutex.
This also adds a check for if we are already in the running state. This prevents extra scans and helps the iscsid case where if the transport class has already onlined the device during its recovery process then we don't need userspace to do it again plus possibly block that daemon.