[qubes-devel] XSAs released on 2023-10-10

2023-10-10 Thread Andrew David Wong
Dear Qubes Community, The [Xen Project](https://xenproject.org/) has released one or more [Xen security advisories (XSAs)](https://xenbits.xen.org/xsa/). The security of Qubes OS *is affected*. Therefore, *user action is required*. ## XSAs that DO affect the security of Qubes OS The following

[qubes-devel] QSB-095: Missing IOMMU TLB flushing on x86 AMD systems

2023-10-10 Thread Andrew David Wong
Dear Qubes Community, We have published [Qubes Security Bulletin 095: Missing IOMMU TLB flushing on x86 AMD systems](https://github.com/QubesOS/qubes-secpack/blob/main/QSBs/qsb-095-2023.txt). The text of this QSB and its accompanying cryptographic signatures are reproduced below. For an