CVE-2021-26339

Advisory lineage Upstream: 0 Downstream: 40
Modified
Published: 11 May 2022, 16:18
Last modified:17 Sept 2024, 01:56

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 May 2022, 16:18
Published
Vulnerability first disclosed
17 Sept 2024, 01:56
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.09%• Percentile: 26%

Affected Systems

  • amd•athlon™ series

    various

  • amd•epyc_72f3_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7313_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7313p_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7343_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7373x_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_73f3_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7413_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7443_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7443p_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7453_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7473x_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_74f3_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7513_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7543_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7543p_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7573x_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_75f3_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7643_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7663_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7713_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7713p_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7763_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc_7773x_firmware

    < milanpi-sp3_1.0.0.7

  • amd•epyc™ processors

    various

  • amd•ryzen_3_2200u_firmware

    na

  • amd•ryzen_3_2300u_firmware

    na

  • amd•ryzen_3_3100_firmware

    na

  • amd•ryzen_3_3300g_firmware

    na

  • amd•ryzen_3_3300x_firmware

    na

  • amd•ryzen_3_4300g_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_3_4300ge_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_3_5125c_firmware

    < cezannepi-fp6_1.0.0.9a

  • amd•ryzen_3_5300g_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_3_5300ge_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_3_5400u_firmware

    < cezannepi-fp6_1.0.0.9a

  • amd•ryzen_3_5425c_firmware

    < cezannepi-fp6_1.0.0.9a

  • amd•ryzen_3_5425u_firmware

    < cezannepi-fp6_1.0.0.9a

  • amd•ryzen_3_pro_2300u_firmware

    na

  • amd•ryzen_3_pro_3300u_firmware

    na

  • amd•ryzen_5_2500u_firmware

    na

  • amd•ryzen_5_2600h_firmware

    na

  • amd•ryzen_5_3400g_firmware

    na

  • amd•ryzen_5_3450g_firmware

    na

  • amd•ryzen_5_3600_firmware

    na

  • amd•ryzen_5_3600x_firmware

    na

  • amd•ryzen_5_4600g_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_5_4600ge_firmware

    < comboam4_v2_pi_1.2.0.6c

  • amd•ryzen_5_5560u_firmware

    < cezannepi-fp6_1.0.0.9a

  • amd•ryzen_5_5600h_firmware

    < cezannepi-fp6_1.0.0.9a

Showing first 50 affected entries in server-rendered view.

References (2)