This security bulletin contains one medium risk vulnerability.
CWE-416 - Use After Free
Exploit availability: NoDescription
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the NVM Express Controller emulation in QEMU within the dma_buf_write() and dma_buf_read() function in hw/nvme/ctrl.c:nvme_tx(). A remote privileged user on the guest OS can trigger a use-after-free error and execute arbitrary code on the QEMU host.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.Mitigation
Install updates from vendor's website.Vulnerable software versions
QEMU: 6.0.0 - 6.2.0 rc2
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?