SUSE update for kernel-firmware

1) Use-after-free

EUVDB-ID: #VU78572

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-2023-20593

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in AMD Zen2 processors. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Note, the vulnerability was dubbed Zenbleed.

Mitigation

Update the affected package kernel-firmware to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro for Rancher: 5.2

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.2

SUSE Linux Enterprise Micro: 5.1 - 5.2

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

kernel-firmware-ueagle: before 20210208-150300.4.13.1

kernel-firmware-mediatek: before 20210208-150300.4.13.1

kernel-firmware-liquidio: before 20210208-150300.4.13.1

kernel-firmware-sound: before 20210208-150300.4.13.1

kernel-firmware-mellanox: before 20210208-150300.4.13.1

kernel-firmware-network: before 20210208-150300.4.13.1

kernel-firmware-prestera: before 20210208-150300.4.13.1

kernel-firmware-mwifiex: before 20210208-150300.4.13.1

kernel-firmware-bluetooth: before 20210208-150300.4.13.1

kernel-firmware-ti: before 20210208-150300.4.13.1

kernel-firmware-usb-network: before 20210208-150300.4.13.1

kernel-firmware-platform: before 20210208-150300.4.13.1

kernel-firmware-intel: before 20210208-150300.4.13.1

kernel-firmware-ath11k: before 20210208-150300.4.13.1

kernel-firmware-media: before 20210208-150300.4.13.1

kernel-firmware-radeon: before 20210208-150300.4.13.1

kernel-firmware-i915: before 20210208-150300.4.13.1

kernel-firmware-atheros: before 20210208-150300.4.13.1

kernel-firmware-serial: before 20210208-150300.4.13.1

kernel-firmware-marvell: before 20210208-150300.4.13.1

kernel-firmware-dpaa2: before 20210208-150300.4.13.1

kernel-firmware-ath10k: before 20210208-150300.4.13.1

kernel-firmware-chelsio: before 20210208-150300.4.13.1

kernel-firmware-qlogic: before 20210208-150300.4.13.1

kernel-firmware-nvidia: before 20210208-150300.4.13.1

kernel-firmware-nfp: before 20210208-150300.4.13.1

kernel-firmware-amdgpu: before 20210208-150300.4.13.1

kernel-firmware-iwlwifi: before 20210208-150300.4.13.1

kernel-firmware-all: before 20210208-150300.4.13.1

kernel-firmware-bnx2: before 20210208-150300.4.13.1

kernel-firmware-realtek: before 20210208-150300.4.13.1

ucode-amd: before 20210208-150300.4.13.1

kernel-firmware-brcm: before 20210208-150300.4.13.1

kernel-firmware: before 20210208-150300.4.13.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3_ltss:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.2:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kernel-firmware-ueagle:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-mediatek:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-liquidio:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-sound:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-mellanox:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-network:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-prestera:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-mwifiex:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-bluetooth:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-ti:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-usb-network:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-platform:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-intel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-ath11k:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-media:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-radeon:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-i915:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-atheros:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-serial:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-marvell:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-dpaa2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-ath10k:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-chelsio:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-qlogic:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-nvidia:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-nfp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-amdgpu:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-iwlwifi:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-all:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-bnx2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-realtek:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ucode-amd:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware-brcm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kernel-firmware:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233206-1/

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.