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no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Peter Krempa via Devel Reply-To: Peter Krempa X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1764342281884019200 Content-Type: text/plain; charset="utf-8" From: Peter Krempa Signed-off-by: Peter Krempa Reviewed-by: Jiri Denemark --- 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 snapsho= t 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) permissio= ns + 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 backu= p 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 cha= in 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 correct= ly + even after those operations. + v11.9.0 (2025-11-03) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --=20 2.52.0