Last week was once the per 30 days Patch Tuesday match for Microsoft’s supported Windows working techniques. However, a patch that was once supposed to mend a vulnerability ended up inflicting issues of quite a lot of dual-boot PCs with Windows and quite a lot of variations of Linux.

Ars Technica stories that the replace in query was once to mend the vulnerability referred to as CVE-2022-2601. It was once first came upon in 2022, and would permit hackers to get admission to GRUB, an open supply boot loader, so they might get across the Secure Boot function. Microsoft after all launched a patch for this factor remaining week as a part of Patch Tuesday.

The patch was once no longer supposed to be put in on dual-boot PCs with Windows and types of Linux. However, for causes unknown in this day and age, the patch was once certainly despatched out to house owners of the ones PCs. As a outcome, they might no longer boot into Linux with Secure Boot enabled.

Instead, the ones PCs confirmed an error message that stated, “Verifying shim SBAT information failed: Security Policy Violation. Something has long past critically incorrect: SBAT self-check failed: Security Policy Violation.”

According to the tale, dual-boot PC customers who’ve put in Linux-based working techniques like Debian, Ubuntu, Linux Mint, Zorin OS, Puppy Linux have all been suffering from this factor.

As of this writing, Microsoft has no longer posted any data on how this Patch Tuesday replace was once launched to those dual-boot PCs. The corporate has additionally no longer presented any help to house owners of those PCs to mend this factor.

In the period in-between, it seems that the easiest way to get round this downside for the ones dual-boot PCs is to delete the SBAT document that Microsoft integrated with this patch. The Ubuntu website has posted up a process to delete this document, despite the fact that they are going to nonetheless be open to the vulnerability that this patch was once supposed to mend within the first position.