[PATCH] NEWS: Mention CVE-2025-13193 and improvements for block stats/config and backups
From: Peter Krempa <pkrempa@redhat.com> Signed-off-by: Peter Krempa <pkrempa@redhat.com> --- NEWS.rst | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 879e9e8448..91ed53ba7e 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -29,6 +29,14 @@ v11.10.0 (unreleased) identification parts of the XML definition (which is needed to perform the checks) and full parsing is done only after checking all ACLs. + * CVE-2025-13193: Incorrect permissions on images after external snapshot of an inactive VM + + The overlay ``qcow2`` images which are created as part of creation of an + external snapshot of an inactive VM had world-readable (644) permissions + which would allow unauthorized users to see contents of blocks written by + the VM after snapshot was taken. Libvirt now sets proper umask so that + the images are created with 600 mode. + * **Removed features** * **New features** @@ -39,6 +47,11 @@ v11.10.0 (unreleased) feature requires Qemu version 10.2.0 or later and is available on Linux hosts where the /dev/mshv is present. + * Add more statistics for block devices on QEMU domains + + The block devices now report optimal access request sizes as well as + statistics such as the queue depth. + * **Improvements** * bhyve: VNC ``wait`` attribute support @@ -57,6 +70,12 @@ v11.10.0 (unreleased) The virt-host-validate tool will now report extra details when certain checks pass. + * qemu: Allow backup jobs to continue if guest OS shuts down + + When starting a backup job users can now use a flag which prevents the VM + to be completely cleaned up if the guest OS shuts down while the backup is + running so that the backup can be finalized. + * **Bug fixes** * ch: Use correct domain definition in chDomainGetXMLDesc() @@ -83,6 +102,13 @@ v11.10.0 (unreleased) if the QEMU binary had it built-in. It is now limited to only platforms with the TDX kernel feature available for use. + * qemu: set ``detect_zeroes`` for all backing chain layers + + Some block jobs (snapshots, block commit) could modify the backing chain in + a way where ``detect_zeroes`` would no longer be honoured. We now set + it for all images in the backing chain, so that it will behave correctly + even after those operations. + v11.9.0 (2025-11-03) ==================== -- 2.52.0
On Fri, Nov 28, 2025 at 15:59:37 +0100, Peter Krempa wrote:
From: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com> --- NEWS.rst | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
participants (2)
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Jiri Denemark -
Peter Krempa