Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU85734
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3019
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the e1000e_write_packet_to_guest() function in the e1000e NIC emulation code in QEMU. A local user can trigger DMA reentrancy and crash the QEMU process on the host.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4
qemu-seabios: before 4.1.0-82
qemu-help: before 4.1.0-82
qemu-block-iscsi: before 4.1.0-82
qemu-block-ssh: before 4.1.0-82
qemu-guest-agent: before 4.1.0-82
qemu-block-curl: before 4.1.0-82
qemu-img: before 4.1.0-82
qemu-debugsource: before 4.1.0-82
qemu-debuginfo: before 4.1.0-82
qemu-block-rbd: before 4.1.0-82
qemu: before 4.1.0-82
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1337
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.