kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM x86 shadow paging mechanism. This vulnerability occurs when a host page directory entry PDE mapping is changed from within the guest, leading to an unexpected role mismatch in shadow paging. This mismatch can cause a...

PT-2022-5558 · Linux +5 · Linux +5

Name of the Vulnerable Software and Affected Versions: Linux affected versions not specified Xen affected versions not specified Description: The issue is related to errors in resource release and a potential Denial of Service DoS in dom0 caused by Arm guests via PV devices. When mapping pages of...

SUSE-SU-2022:0469-1 Security update for xen

This update for xen fixes the following issues: - CVE-2022-23033: Fixed guestphysmapremovepage not removing the p2m mappings. XSA-393 bsc1194576 - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. XSA-394 bsc1194581 - CVE-2022-23035: Fixed insufficient cleanup of...

SUSE-SU-2022:0468-1 Security update for xen

This update for xen fixes the following issues: - CVE-2022-23033: Fixed guestphysmapremovepage not removing the p2m mappings. XSA-393 bsc1194576 - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. XSA-394 bsc1194581 - CVE-2022-23035: Fixed insufficient cleanup of...

SUSE-RU-2016:1479-1 Recommended update for samba

This update for Samba provides the following fixes: - Fix libads' record session expiry for spnego sasl binds. bsc979268 - Fix NTSTATUSACCESSDENIED when accessing windows public share. - Only validate MIC if 'map to guest' is not being used. - NetAPP SMB servers don't negotiate NTLMSSPSIGN...