openEuler 20.03 LTS SP4 update for qemu



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-3019
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
openEuler
Operating systems & Components / Operating system

qemu-seabios
Operating systems & Components / Operating system package or component

qemu-help
Operating systems & Components / Operating system package or component

qemu-block-iscsi
Operating systems & Components / Operating system package or component

qemu-block-ssh
Operating systems & Components / Operating system package or component

qemu-guest-agent
Operating systems & Components / Operating system package or component

qemu-block-curl
Operating systems & Components / Operating system package or component

qemu-img
Operating systems & Components / Operating system package or component

qemu-debugsource
Operating systems & Components / Operating system package or component

qemu-debuginfo
Operating systems & Components / Operating system package or component

qemu-block-rbd
Operating systems & Components / Operating system package or component

qemu
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU85734

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3019

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The 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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 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

CPE2.3 External links

https://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.



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