Unrated severityNVD Advisory· Published May 11, 2022· Updated Sep 16, 2024

CVE-2021-46744

Description

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

AMD/SEVllm-fuzzy
osv-coords66 versions
pkg:rpm/opensuse/kernel-firmware-all&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-amdgpu&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-ath10k&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-ath11k&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-ath12k&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-atheros&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-bluetooth&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-bnx2&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-brcm&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-chelsio&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-dpaa2&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-i915&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-intel&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-iwlwifi&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-liquidio&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-marvell&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-media&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-mediatek&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-mellanox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-mwifiex&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-network&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-nfp&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-nvidia&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-platform&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-prestera&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-qcom&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-qlogic&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-radeon&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-realtek&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-serial&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-sound&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-ti&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-ueagle&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/kernel-firmware-usb-network&distro=openSUSE%20Tumbleweed pkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%207 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCL pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Proxy%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Server%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 20250206-1.1+ 65 more
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
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- (no CPE)range: < 20250208-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20220509-150400.4.5.1
- (no CPE)range: < 20220516-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250210-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250210-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20250206-1.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20220509-150400.4.5.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
AMD/AMD processorscpe-rescue
Range: Processor EPYC

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2022/08/08/6mitremailing-listx_refsource_MLIST
www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033mitrex_refsource_MISC

News mentions

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