Ubuntu update for qemu

Published: 2025-02-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-26327 CVE-2024-26328
CWE-ID	CWE-119 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system qemu-system-x86 (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-sparc (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-s390x (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-ppc (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-misc (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-mips (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system-arm (Ubuntu package) Operating systems & Components / Operating system package or component qemu-system (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU100251

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26327

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to a boundary error within the register_vfs() function in hw/pci/pcie_sriov.c in VF implementations. A malicious guest can trigger memory corruption and execute arbitrary code on the system.

Mitigation

Update the affected package qemu to the latest version.

Vulnerable software versions

Ubuntu: 24.04

qemu-system-x86 (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-sparc (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-s390x (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-ppc (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-misc (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-mips (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system-arm (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

qemu-system (Ubuntu package): before 1:8.2.2+ds-0ubuntu1.2

CPE2.3

External links

https://ubuntu.com/security/notices/USN-6977-1

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.

2) Resource management error

EUVDB-ID: #VU101964

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-26328

CWE-ID: CWE-399 - Resource Management Errors