17 results · Clear filters · Feed
-
Medium 5.5
Libvirt: unsafe chown in qemutpmemulatorpreparehost() allows arbitrary file ownership change via symlink
A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker with access to the swtpm account can replace the logfile w…
-
Medium 5.5
Libvirt: information disclosure via world-readable storage volume images during clone/convert
A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with overly permissive file creation settings, allowing any local us…
-
Medium 5.5
Libvirt: information disclosure via world-readable vm snapshots
A flaw was found in libvirt. External inactive snapshots for shut-down VMs are incorrectly created as world-readable, making it possible for unprivileged users to inspect the guest OS contents. This results in an information disclosure vulnerability.
-
Medium 5.5CVE-2025-12748 Public exploit
Libvirt: denial of service in xml parsing
A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML…
-
Medium 6.2
Libvirt: stack use-after-free in virnetclientioeventloop()
A race condition leading to a stack use-after-free flaw was found in libvirt. Due to a bad assumption in the virNetClientIOEventLoop() method, the `data` pointer to a stack-allocated virNetClientIOEventData structure ended up being used in the virNetClientIOE…
-
Medium 6.2
Libvirt: negative g_new0 length can lead to unbounded memory allocation
A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a cra…
-
Medium 5.0
Libvirt: null pointer dereference in udevconnectlistallinterfaces()
A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw c…
-
Medium 5.5CVE-2024-1441 Public exploit
Libvirt: off-by-one error in udevlistinterfacesbystatus()
An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `names` array. This issue can be reproduced by sending specially crafted data to the libvirt daemon, allowing an u…
-
Medium 5.5
A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capa…
-
Medium 6.5
A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in…
-
Medium 5.9
Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execut…
-
Medium 5.6
Microarchitectural Load Port Data Sampling (MLPDS): Load ports on some microprocessors utilizing speculative execution …
-
Medium 5.6
Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative exec…
-
Medium 5.6
Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing specu…
-
Medium 5.8
A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information…
-
Medium 5.5
Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addre…
-
Medium 5.6
Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disc…