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:15.5
kernel-source
to version 5.14.21-150500.55.59.1 or higher.
Note: Versions mentioned in the description apply only to the upstream kernel-source
package and not the kernel-source
package as distributed by SLES
.
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for SLES:15.5
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
PCI: switchtec: Fix stdev_release() crash after surprise hot remove
A PCI device hot removal may occur while stdev->cdev is held open. The call to stdev_release() then happens during close or exit, at a point way past switchtec_pci_remove(). Otherwise the last ref would vanish with the trailing put_device(), just before return.
At that later point in time, the devm cleanup has already removed the stdev->mmio_mrpc mapping. Also, the stdev->pdev reference was not a counted one. Therefore, in DMA mode, the iowrite32() in stdev_release() will cause a fatal page fault, and the subsequent dma_free_coherent(), if reached, would pass a stale &stdev->pdev->dev pointer.
Fix by moving MRPC DMA shutdown into switchtec_pci_remove(), after stdev_kill(). Counting the stdev->pdev ref is now optional, but may prevent future accidents.
Reproducible via the script at https://lore.kernel.org/r/20231113212150.96410-1-dns@arista.com