CVE-2021-26339
5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD
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 (84)
Products: Amd: Epyc 7763 Firmware, Epyc 7713p Firmware, Epyc 7713 Firmware, Epyc 7663 Firmware, Epyc 7643 Firmware, Epyc 75f3 Firmware, Epyc 7543p Firmware, Epyc 7543 Firmware, Epyc 7513 Firmware, Epyc 7453 Firmware, Epyc 74f3 Firmware, Epyc 7443p Firmware, Epyc 7443 Firmware, Epyc 7413 Firmware, Epyc 73f3 Firmware, Epyc 7343 Firmware, Epyc 7313p Firmware, Epyc 7313 Firmware, Epyc 72f3 Firmware, Epyc 7773x Firmware, Epyc 7473x Firmware, Epyc 7573x Firmware, Epyc 7373x Firmware, Ryzen 7 5700g Firmware, Ryzen 7 5700ge Firmware, Ryzen 5 5700g Firmware, Ryzen 5 5700ge Firmware, Ryzen 3 5300g Firmware, Ryzen 3 5300ge Firmware, Ryzen 7 4700g Firmware, Ryzen 7 4700ge Firmware, Ryzen 5 4600g Firmware, Ryzen 5 4600ge Firmware, Ryzen 3 4300g Firmware, Ryzen 3 4300ge Firmware, Ryzen Threadripper Pro 3945wx Firmware, Ryzen Threadripper Pro 3955wx Firmware, Ryzen Threadripper Pro 3975wx Firmware, Ryzen Threadripper Pro 3995wx Firmware, Ryzen Threadripper Pro 5945wx Firmware, Ryzen Threadripper Pro 5955wx Firmware, Ryzen Threadripper Pro 5965wx Firmware, Ryzen Threadripper Pro 5975wx Firmware, Ryzen Threadripper Pro 5995wx Firmware, Ryzen 3 2200u Firmware, Ryzen 3 2300u Firmware, Ryzen 3 Pro 2300u Firmware, Ryzen 5 2500u Firmware, Ryzen 5 Pro 2500u Firmware, Ryzen 5 2600h Firmware, Ryzen 7 2700u Firmware, Ryzen 7 Pro 2700u Firmware, Ryzen 7 2800h Firmware, Ryzen 3 3300g Firmware, Ryzen 3 3300x Firmware, Ryzen 3 3100 Firmware, Ryzen 3 Pro 3300u Firmware, Ryzen 5 3400g Firmware, Ryzen 5 3450g Firmware, Ryzen 5 3600 Firmware, Ryzen 5 3600x Firmware, Ryzen 5 Pro 3500u Firmware, Ryzen 7 3700x Firmware, Ryzen 7 3800x Firmware, Ryzen 7 Pro 3700u Firmware, Ryzen 9 5980hx Firmware, Ryzen 9 5980hs Firmware, Ryzen 7 5825u Firmware, Ryzen 9 5900hx Firmware, Ryzen 9 5900hs Firmware, Ryzen 7 5825c Firmware, Ryzen 7 5800h Firmware, Ryzen 5 5625u Firmware, Ryzen 7 5800hs Firmware, Ryzen 5 5625c Firmware, Ryzen 5 5600h Firmware, Ryzen 5 5600hs Firmware, Ryzen 7 5800u Firmware, Ryzen 5 5600u Firmware, Ryzen 5 5560u Firmware, Ryzen 3 5425u Firmware, Ryzen 3 5425c Firmware, Ryzen 3 5400u Firmware, Ryzen 3 5125c Firmware
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7763 | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7713p | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7713 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7663 | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7643 | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 75f3 | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7543p | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7543 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7513 | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7453 | All versions |
Configuration K
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 74f3 | All versions |
Configuration L
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7443p | All versions |
Configuration M
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7443 | All versions |
Configuration N
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7413 | All versions |
Configuration O
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 73f3 | All versions |
Configuration P
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7343 | All versions |
Configuration Q
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7313p | All versions |
Configuration R
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7313 | All versions |
Configuration S
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 72f3 | All versions |
Configuration T
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7773x | All versions |
Configuration U
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7473x | All versions |
Configuration V
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7573x | All versions |
Configuration W
| Vulnerable Software | Affected Versions |
|---|---|
| Before milanpi-sp3_1.0.0.7 |
| Running on/with | Platform Versions |
|---|---|
Amd Epyc 7373x | All versions |
Configuration X
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5700g | All versions |
Configuration Y
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5700ge | All versions |
Configuration Z
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5700g | All versions |
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5700ge | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5300g | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5300ge | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 4700g | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 4700ge | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 4600g | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 4600ge | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 4300g | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Before comboam4_v2_pi_1.2.0.6c |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 4300ge | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 3945wx | All versions |
Configuration K
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 3955wx | All versions |
Configuration L
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 3975wx | All versions |
Configuration M
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 3995wx | All versions |
Configuration N
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 5945wx | All versions |
Configuration O
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 5955wx | All versions |
Configuration P
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 5965wx | All versions |
Configuration Q
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 5975wx | All versions |
Configuration R
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen Threadripper Pro 5995wx | All versions |
Configuration S
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 2200u | All versions |
Configuration T
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 2300u | All versions |
Configuration U
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 Pro 2300u | All versions |
Configuration V
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 2500u | All versions |
Configuration W
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 Pro 2500u | All versions |
Configuration X
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 2600h | All versions |
Configuration Y
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 2700u | All versions |
Configuration Z
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 Pro 2700u | All versions |
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 2800h | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 3300g | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 3300x | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 3100 | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 Pro 3300u | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 3400g | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 3450g | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 3600 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 3600x | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 Pro 3500u | All versions |
Configuration K
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 3700x | All versions |
Configuration L
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 3800x | All versions |
Configuration M
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 Pro 3700u | All versions |
Configuration N
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 9 5980hx | All versions |
Configuration O
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 9 5980hs | All versions |
Configuration P
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5825u | All versions |
Configuration Q
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 9 5900hx | All versions |
Configuration R
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 9 5900hs | All versions |
Configuration S
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5825c | All versions |
Configuration T
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5800h | All versions |
Configuration U
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5625u | All versions |
Configuration V
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5800hs | All versions |
Configuration W
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5625c | All versions |
Configuration X
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5600h | All versions |
Configuration Y
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5600hs | All versions |
Configuration Z
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 7 5800u | All versions |
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5600u | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 5 5560u | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5425u | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5425c | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5400u | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Before cezannepi-fp6_1.0.0.9a |
| Running on/with | Platform Versions |
|---|---|
Amd Ryzen 3 5125c | All versions |
References (4)
Source: psirt@amd.com
Vendor Advisory
Source: psirt@amd.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.