Anolis OS update for qemu



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-6683
CVE-2023-6693
CVE-2024-26327
CWE-ID CWE-476
CWE-121
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Anolis OS
Operating systems & Components / Operating system

qemu-user-binfmt
Operating systems & Components / Operating system package or component

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

qemu-ui-spice-core
Operating systems & Components / Operating system package or component

qemu-ui-spice-app
Operating systems & Components / Operating system package or component

qemu-ui-opengl
Operating systems & Components / Operating system package or component

qemu-ui-gtk
Operating systems & Components / Operating system package or component

qemu-ui-egl-headless
Operating systems & Components / Operating system package or component

qemu-ui-dbus
Operating systems & Components / Operating system package or component

qemu-ui-curses
Operating systems & Components / Operating system package or component

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

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

qemu-system-x86-core
Operating systems & Components / Operating system package or component

qemu-system-x86
Operating systems & Components / Operating system package or component

qemu-system-riscv-core
Operating systems & Components / Operating system package or component

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

qemu-system-loongarch64-core
Operating systems & Components / Operating system package or component

qemu-system-loongarch64
Operating systems & Components / Operating system package or component

qemu-system-arm-core
Operating systems & Components / Operating system package or component

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

qemu-system-aarch64-core
Operating systems & Components / Operating system package or component

qemu-system-aarch64
Operating systems & Components / Operating system package or component

qemu-pr-helper
Operating systems & Components / Operating system package or component

qemu-kvm-core
Operating systems & Components / Operating system package or component

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

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

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

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

qemu-device-usb-smartcard
Operating systems & Components / Operating system package or component

qemu-device-usb-redirect
Operating systems & Components / Operating system package or component

qemu-device-usb-host
Operating systems & Components / Operating system package or component

qemu-device-display-virtio-vga-gl
Operating systems & Components / Operating system package or component

qemu-device-display-virtio-vga
Operating systems & Components / Operating system package or component

qemu-device-display-virtio-gpu-pci
Operating systems & Components / Operating system package or component

qemu-device-display-virtio-gpu-ccw
Operating systems & Components / Operating system package or component

qemu-device-display-virtio-gpu
Operating systems & Components / Operating system package or component

qemu-device-display-qxl
Operating systems & Components / Operating system package or component

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

qemu-char-spice
Operating systems & Components / Operating system package or component

qemu-char-baum
Operating systems & Components / Operating system package or component

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

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

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

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

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

qemu-audio-spice
Operating systems & Components / Operating system package or component

qemu-audio-pa
Operating systems & Components / Operating system package or component

qemu-audio-oss
Operating systems & Components / Operating system package or component

qemu-audio-dbus
Operating systems & Components / Operating system package or component

qemu-audio-alsa
Operating systems & Components / Operating system package or component

qemu
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU87738

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-2023-6683

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when processing ClientCutText messages within the QEMU built-in VNC server. A remote authenticated VNC client can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

qemu-user-binfmt: before 8.2.0-17

qemu-user: before 8.2.0-17

qemu-ui-spice-core: before 8.2.0-17

qemu-ui-spice-app: before 8.2.0-17

qemu-ui-opengl: before 8.2.0-17

qemu-ui-gtk: before 8.2.0-17

qemu-ui-egl-headless: before 8.2.0-17

qemu-ui-dbus: before 8.2.0-17

qemu-ui-curses: before 8.2.0-17

qemu-tools: before 8.2.0-17

qemu-tests: before 8.2.0-17

qemu-system-x86-core: before 8.2.0-17

qemu-system-x86: before 8.2.0-17

qemu-system-riscv-core: before 8.2.0-17

qemu-system-riscv: before 8.2.0-17

qemu-system-loongarch64-core: before 8.2.0-17

qemu-system-loongarch64: before 8.2.0-17

qemu-system-arm-core: before 8.2.0-17

qemu-system-arm: before 8.2.0-17

qemu-system-aarch64-core: before 8.2.0-17

qemu-system-aarch64: before 8.2.0-17

qemu-pr-helper: before 8.2.0-17

qemu-kvm-core: before 8.2.0-17

qemu-kvm: before 8.2.0-17

qemu-img: before 8.2.0-17

qemu-guest-agent: before 8.2.0-17

qemu-docs: before 8.2.0-17

qemu-device-usb-smartcard: before 8.2.0-17

qemu-device-usb-redirect: before 8.2.0-17

qemu-device-usb-host: before 8.2.0-17

qemu-device-display-virtio-vga-gl: before 8.2.0-17

qemu-device-display-virtio-vga: before 8.2.0-17

qemu-device-display-virtio-gpu-pci: before 8.2.0-17

qemu-device-display-virtio-gpu-ccw: before 8.2.0-17

qemu-device-display-virtio-gpu: before 8.2.0-17

qemu-device-display-qxl: before 8.2.0-17

qemu-common: before 8.2.0-17

qemu-char-spice: before 8.2.0-17

qemu-char-baum: before 8.2.0-17

qemu-block-ssh: before 8.2.0-17

qemu-block-iscsi: before 8.2.0-17

qemu-block-gluster: before 8.2.0-17

qemu-block-dmg: before 8.2.0-17

qemu-block-curl: before 8.2.0-17

qemu-audio-spice: before 8.2.0-17

qemu-audio-pa: before 8.2.0-17

qemu-audio-oss: before 8.2.0-17

qemu-audio-dbus: before 8.2.0-17

qemu-audio-alsa: before 8.2.0-17

qemu: before 8.2.0-17

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0827


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stack-based buffer overflow

EUVDB-ID: #VU87161

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-2023-6693

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when flushing TX in the virtio_net_flush_tx() function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. A local user can trigger a stack based buffer overflow and execute arbitrary code on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

qemu-user-binfmt: before 8.2.0-17

qemu-user: before 8.2.0-17

qemu-ui-spice-core: before 8.2.0-17

qemu-ui-spice-app: before 8.2.0-17

qemu-ui-opengl: before 8.2.0-17

qemu-ui-gtk: before 8.2.0-17

qemu-ui-egl-headless: before 8.2.0-17

qemu-ui-dbus: before 8.2.0-17

qemu-ui-curses: before 8.2.0-17

qemu-tools: before 8.2.0-17

qemu-tests: before 8.2.0-17

qemu-system-x86-core: before 8.2.0-17

qemu-system-x86: before 8.2.0-17

qemu-system-riscv-core: before 8.2.0-17

qemu-system-riscv: before 8.2.0-17

qemu-system-loongarch64-core: before 8.2.0-17

qemu-system-loongarch64: before 8.2.0-17

qemu-system-arm-core: before 8.2.0-17

qemu-system-arm: before 8.2.0-17

qemu-system-aarch64-core: before 8.2.0-17

qemu-system-aarch64: before 8.2.0-17

qemu-pr-helper: before 8.2.0-17

qemu-kvm-core: before 8.2.0-17

qemu-kvm: before 8.2.0-17

qemu-img: before 8.2.0-17

qemu-guest-agent: before 8.2.0-17

qemu-docs: before 8.2.0-17

qemu-device-usb-smartcard: before 8.2.0-17

qemu-device-usb-redirect: before 8.2.0-17

qemu-device-usb-host: before 8.2.0-17

qemu-device-display-virtio-vga-gl: before 8.2.0-17

qemu-device-display-virtio-vga: before 8.2.0-17

qemu-device-display-virtio-gpu-pci: before 8.2.0-17

qemu-device-display-virtio-gpu-ccw: before 8.2.0-17

qemu-device-display-virtio-gpu: before 8.2.0-17

qemu-device-display-qxl: before 8.2.0-17

qemu-common: before 8.2.0-17

qemu-char-spice: before 8.2.0-17

qemu-char-baum: before 8.2.0-17

qemu-block-ssh: before 8.2.0-17

qemu-block-iscsi: before 8.2.0-17

qemu-block-gluster: before 8.2.0-17

qemu-block-dmg: before 8.2.0-17

qemu-block-curl: before 8.2.0-17

qemu-audio-spice: before 8.2.0-17

qemu-audio-pa: before 8.2.0-17

qemu-audio-oss: before 8.2.0-17

qemu-audio-dbus: before 8.2.0-17

qemu-audio-alsa: before 8.2.0-17

qemu: before 8.2.0-17

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0827


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.

3) 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

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

qemu-user-binfmt: before 8.2.0-17

qemu-user: before 8.2.0-17

qemu-ui-spice-core: before 8.2.0-17

qemu-ui-spice-app: before 8.2.0-17

qemu-ui-opengl: before 8.2.0-17

qemu-ui-gtk: before 8.2.0-17

qemu-ui-egl-headless: before 8.2.0-17

qemu-ui-dbus: before 8.2.0-17

qemu-ui-curses: before 8.2.0-17

qemu-tools: before 8.2.0-17

qemu-tests: before 8.2.0-17

qemu-system-x86-core: before 8.2.0-17

qemu-system-x86: before 8.2.0-17

qemu-system-riscv-core: before 8.2.0-17

qemu-system-riscv: before 8.2.0-17

qemu-system-loongarch64-core: before 8.2.0-17

qemu-system-loongarch64: before 8.2.0-17

qemu-system-arm-core: before 8.2.0-17

qemu-system-arm: before 8.2.0-17

qemu-system-aarch64-core: before 8.2.0-17

qemu-system-aarch64: before 8.2.0-17

qemu-pr-helper: before 8.2.0-17

qemu-kvm-core: before 8.2.0-17

qemu-kvm: before 8.2.0-17

qemu-img: before 8.2.0-17

qemu-guest-agent: before 8.2.0-17

qemu-docs: before 8.2.0-17

qemu-device-usb-smartcard: before 8.2.0-17

qemu-device-usb-redirect: before 8.2.0-17

qemu-device-usb-host: before 8.2.0-17

qemu-device-display-virtio-vga-gl: before 8.2.0-17

qemu-device-display-virtio-vga: before 8.2.0-17

qemu-device-display-virtio-gpu-pci: before 8.2.0-17

qemu-device-display-virtio-gpu-ccw: before 8.2.0-17

qemu-device-display-virtio-gpu: before 8.2.0-17

qemu-device-display-qxl: before 8.2.0-17

qemu-common: before 8.2.0-17

qemu-char-spice: before 8.2.0-17

qemu-char-baum: before 8.2.0-17

qemu-block-ssh: before 8.2.0-17

qemu-block-iscsi: before 8.2.0-17

qemu-block-gluster: before 8.2.0-17

qemu-block-dmg: before 8.2.0-17

qemu-block-curl: before 8.2.0-17

qemu-audio-spice: before 8.2.0-17

qemu-audio-pa: before 8.2.0-17

qemu-audio-oss: before 8.2.0-17

qemu-audio-dbus: before 8.2.0-17

qemu-audio-alsa: before 8.2.0-17

qemu: before 8.2.0-17

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0827


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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