Medium severity5.5NVD Advisory· Published May 11, 2022· Updated Jun 17, 2026
CVE-2021-26339
CVE-2021-26339
Description
A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.
Affected products
154- cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_5700g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_5700ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_7_4700g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_7_4700ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_4600g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_4600ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_4300g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_4300ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_pro_2300u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_2500u_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_5_2500u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:*range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_5_pro_2500u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2600h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_2700u_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_7_2700u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_pro_3700u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_pro_2700u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_2800h_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600u_firmware:*:*:*:*:*:*:*:*range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_3_pro_3300u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3450g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_pro_3500u_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_5_pro_3500u_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5625u_firmware:*:*:*:*:*:*:*:*range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_5825u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_9_5900hx_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_9_5900hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_5825c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_5800h_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_5800hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_5_5625c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_5_5600h_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_5_5600hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_7_5800u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_5_5560u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_3_5425c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_3_5400u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- cpe:2.3:o:amd:ryzen_3_5125c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9a
- AMD/Ryzen™ Seriesv5Range: various
- AMD/Athlon™ Seriesv5Range: various
- Range: various
- osv-coords66 versionspkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/opensuse/kernel-firmware-ath10k&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-ath11k&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-dpaa2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-i915&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-intel&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-liquidio&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-marvell&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-media&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-network&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-nvidia&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-platform&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-qlogic&distro=openSUSE%20Tumbleweedpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/kernel-firmware-amdgpu&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-atheros&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-bnx2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-brcm&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-chelsio&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-iwlwifi&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-mellanox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-nfp&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-prestera&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-qcom&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-radeon&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-realtek&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-sound&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-ti&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-ueagle&distro=openSUSE%20Tumbleweedpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/opensuse/kernel-firmware-ath12k&distro=openSUSE%20Tumbleweedpkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/opensuse/kernel-firmware-bluetooth&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-mwifiex&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-serial&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-usb-network&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-all&distro=openSUSE%20Tumbleweedpkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Server%204.1pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-firmware-mediatek&distro=openSUSE%20Tumbleweed
< 20200107-150100.3.31.1+ 65 more
- (no CPE)range: < 20200107-150100.3.31.1
- (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: < 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: < 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: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (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: < 20191118-150000.3.42.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20220509-150400.4.5.1
- (no CPE)range: < 20220509-150400.4.5.1
- (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: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (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: < 20250206-1.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20190618-5.25.2
- (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: < 20250206-1.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20220516-1.1
- (no CPE)range: < 20250206-1.1
Patches
Vulnerability mechanics
References
2- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027nvdVendor Advisory
- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028nvdVendor Advisory
News mentions
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