CVE-2021-26341: Medium severity AMD Athlon X4 940 Firmware vulnerability
Published Mar 8, 2022
·Updated
A flaw was found in hw. This issue can cause AMD CPUs to transiently execute beyond unconditional direct branches.
Other sources
AMD received notification of a potential security vulnerability in which a subset of AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
— Red Hat
Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
Affected Software
256 affected componentsFixes available
redhat/kernel-rt<0:4.18.0-477.10.1.rt7.274.el8_8
0:4.18.0-477.10.1.rt7.274.el8_8
redhat/kernel<0:4.18.0-477.10.1.el8_8
0:4.18.0-477.10.1.el8_8
redhat/kernel<0:5.14.0-284.11.1.el9_2
0:5.14.0-284.11.1.el9_2
redhat/kernel-rt<0:5.14.0-284.11.1.rt14.296.el9_2
0:5.14.0-284.11.1.rt14.296.el9_2
AMD Athlon X4 940 Firmware
AMD Athlon X4 940
AMD Athlon X4 950 Firmware
AMD Athlon X4 950
AMD Athlon X4 970 Firmware
AMD Athlon X4 970
AMD Athlon X4 835 Firmware
AMD Athlon X4 835
AMD Athlon X4 845 Firmware
AMD Athlon X4 845
AMD Athlon X4 830 Firmware
AMD Athlon X4 830
AMD Athlon X4 840 Firmware
AMD Athlon X4 840
AMD Athlon X4 860k Firmware
AMD Athlon X4 860k
AMD Athlon X4 870k Firmware
AMD Athlon X4 870k
AMD Athlon X4 880k Firmware
AMD Athlon X4 880k
AMD Athlon X4 750 Firmware
AMD Athlon X4 750
AMD Athlon X4 760k Firmware
AMD Athlon X4 760k
AMD Ryzen Threadripper Pro 5995wx Firmware
AMD Ryzen Threadripper Pro 5995wx
AMD Ryzen Threadripper Pro 5975wx Firmware
AMD Ryzen Threadripper Pro 5975wx
AMD Ryzen Threadripper Pro 5965wx Firmware
AMD Ryzen Threadripper Pro 5965wx
AMD Ryzen Threadripper Pro 5955wx Firmware
AMD Ryzen Threadripper Pro 5955wx
AMD Ryzen Threadripper Pro 5945wx Firmware
AMD Ryzen Threadripper Pro 5945wx
AMD Ryzen Threadripper 2990wx Firmware
AMD Ryzen Threadripper 2990wx
AMD Ryzen Threadripper 2970wx Firmware
AMD Ryzen Threadripper 2970wx
AMD Ryzen Threadripper 2950x Firmware
AMD Ryzen Threadripper 2950x
AMD Ryzen Threadripper 2920x Firmware
AMD Ryzen Threadripper 2920x
AMD Ryzen Threadripper 3970x Firmware
AMD Ryzen Threadripper 3970x
AMD A12-9730p Firmware
AMD A12-9730p
AMD A12-9700p Firmware
AMD A12-9700p
AMD A10-9630p Firmware
AMD A10-9630p
AMD A10-9600p Firmware
AMD A10-9600p
AMD A9-9420 Firmware
AMD A9-9420
AMD A9-9410 Firmware
AMD A9-9410
AMD A6-9220 Firmware
AMD A6-9220
AMD A6-9220c Firmware
AMD A6-9220c
AMD A6-9210 Firmware
AMD A6-9210
AMD A4-9120 Firmware
AMD A4-9120
AMD Ryzen 7 2700x Firmware
AMD Ryzen 7 2700x
AMD Ryzen 7 2700 Firmware
AMD Ryzen 7 2700
AMD Ryzen 5 2600x Firmware
AMD Ryzen 5 2600x
AMD Ryzen 5 2600 Firmware
AMD Ryzen 5 2600
AMD Ryzen 9 3950x Firmware
AMD Ryzen 9 3950x
AMD Ryzen 9 3900x Firmware
AMD Ryzen 9 3900x
AMD Ryzen 7 3800x Firmware
AMD Ryzen 7 3800x
AMD Ryzen 7 3700x Firmware
AMD Ryzen 7 3700x
AMD Ryzen 5 3600x Firmware
AMD Ryzen 5 3600x
AMD Ryzen 5 3600 Firmware
AMD Ryzen 5 3600
AMD Ryzen 5 3400g Firmware
AMD Ryzen 5 3400g
AMD Ryzen 3 3300x Firmware
AMD Ryzen 3 3300x
AMD Ryzen 3 3300g Firmware
AMD Ryzen 3 3300g
AMD Ryzen 3 3100 Firmware
AMD Ryzen 3 3100
AMD Ryzen 7 4700g Firmware
AMD Ryzen 7 4700g
AMD Ryzen 7 4700ge Firmware
AMD Ryzen 7 4700ge
AMD Ryzen 5 4600g Firmware
AMD Ryzen 5 4600g
AMD Ryzen 5 4600ge Firmware
AMD Ryzen 5 4600ge
AMD Ryzen 3 4300g Firmware
AMD Ryzen 3 4300g
AMD Ryzen 3 4300ge Firmware
AMD Ryzen 3 4300ge
AMD Athlon Gold 3450g Firmware
AMD Athlon Gold 3450g
AMD Athlon Gold 3150ge Firmware
AMD Athlon Gold 3150ge
AMD Athlon Silver 3050ge Firmware
AMD Athlon Silver 3050ge
AMD Ryzen 3 2200u Firmware
AMD Ryzen 3 2200u
AMD Ryzen 3 2300u Firmware
AMD Ryzen 3 2300u
AMD Ryzen 3 Pro 2300u Firmware
AMD Ryzen 3 Pro 2300u
AMD Ryzen 5 2500u Firmware
AMD Ryzen 5 2500u
AMD Ryzen 5 Pro 2500u Firmware
AMD Ryzen 5 Pro 2500u
AMD Ryzen 5 2600h Firmware
AMD Ryzen 5 2600h
AMD Ryzen 7 2700u Firmware
AMD Ryzen 7 2700u
AMD Ryzen 7 Pro 2700u Firmware
AMD Ryzen 7 Pro 2700u
AMD Ryzen 7 2800h Firmware
AMD Ryzen 7 2800h
AMD Athlon Gold 3150u Firmware
AMD Athlon Gold 3150u
AMD Athlon Silver 3050u Firmware
AMD Athlon Silver 3050u
AMD Ryzen 7 Pro 3700u Firmware
AMD Ryzen 7 Pro 3700u
AMD Ryzen 5 Pro 3500u Firmware
AMD Ryzen 5 Pro 3500u
AMD Ryzen 3 Pro 3300u Firmware
AMD Ryzen 3 Pro 3300u
AMD Athlon Pro 300u Firmware
AMD Athlon Pro 300u
AMD Ryzen 9 5980hx Firmware
AMD Ryzen 9 5980hx
AMD Ryzen 9 5980hs Firmware
AMD Ryzen 9 5980hs
AMD Ryzen 7 5825u Firmware
AMD Ryzen 7 5825u
AMD Ryzen 9 5900hx Firmware
AMD Ryzen 9 5900hx
AMD Ryzen 9 5900hs Firmware
AMD Ryzen 9 5900hs
AMD Ryzen 5 5625u Firmware
AMD Ryzen 5 5625u
AMD Ryzen 7 5800h Firmware
AMD Ryzen 7 5800h
AMD Ryzen 7 5800hs Firmware
AMD Ryzen 7 5800hs
AMD Ryzen 5 5600h Firmware
AMD Ryzen 5 5600h
AMD Ryzen 5 5600hs Firmware
AMD Ryzen 5 5600hs
AMD Ryzen 7 5800u Firmware
AMD Ryzen 7 5800u
AMD Ryzen 5 5600u Firmware
AMD Ryzen 5 5600u
AMD Ryzen 3 5425u Firmware
AMD Ryzen 3 5425u
AMD Ryzen 3 5400u Firmware
AMD Ryzen 3 5400u
AMD Ryzen 9 4900hs Firmware
AMD Ryzen 9 4900hs
AMD Ryzen 7 4800h Firmware
AMD Ryzen 7 4800h
AMD Ryzen 5 4600h Firmware
AMD Ryzen 5 4600h
AMD Epyc 7f72 Firmware
AMD Epyc 7f72
AMD Epyc 7f52 Firmware
AMD Epyc 7f52
AMD Epyc 7f32 Firmware
AMD Epyc 7f32
AMD Epyc 7h12 Firmware
AMD Epyc 7h12
AMD Epyc 7742 Firmware
AMD Epyc 7742
AMD Epyc 7702 Firmware
AMD Epyc 7702
AMD Epyc 7702p Firmware
AMD Epyc 7702p
AMD Epyc 7662 Firmware
AMD Epyc 7662
AMD Epyc 7642 Firmware
AMD Epyc 7642
AMD Epyc 7552 Firmware
AMD Epyc 7552
AMD Epyc 7542 Firmware
AMD Epyc 7542
AMD Epyc 7532 Firmware
AMD Epyc 7532
AMD Epyc 7502 Firmware
AMD Epyc 7502
AMD Epyc 7502p Firmware
AMD Epyc 7502p
AMD Epyc 7452 Firmware
AMD Epyc 7452
AMD Epyc 7402 Firmware
AMD Epyc 7402
AMD Epyc 7402p Firmware
AMD Epyc 7402p
AMD Epyc 7352 Firmware
AMD Epyc 7352
AMD Epyc 7302 Firmware
AMD Epyc 7302
AMD Epyc 7302p Firmware
AMD Epyc 7302p
AMD Epyc 7282 Firmware
AMD Epyc 7282
AMD Epyc 7272 Firmware
AMD Epyc 7272
AMD Epyc 7262 Firmware
AMD Epyc 7262
AMD Epyc 7252 Firmware
AMD Epyc 7252
AMD Epyc 7232p Firmware
AMD Epyc 7232p
AMD Epyc 7601 Firmware
AMD Epyc 7601
AMD Epyc 7551p Firmware
AMD Epyc 7551p
AMD Epyc 7551 Firmware
AMD Epyc 7551
AMD Epyc 7501 Firmware
AMD Epyc 7501
AMD Epyc 7451 Firmware
AMD Epyc 7451
AMD Epyc 7401p Firmware
AMD Epyc 7401p
AMD Epyc 7401 Firmware
AMD Epyc 7401
AMD Epyc 7371 Firmware
AMD Epyc 7371
AMD Epyc 7351p Firmware
AMD Epyc 7351p
AMD Epyc 7351 Firmware
AMD Epyc 7351
AMD Epyc 7301 Firmware
AMD Epyc 7301
AMD Epyc 7281 Firmware
AMD Epyc 7281
AMD Epyc 7261 Firmware
AMD Epyc 7261
AMD Epyc 7251 Firmware
AMD Epyc 7251
Event History
Mar 8, 2022
CVE Published
12:00 AM
Data Sourced
via Red Hat·11:13 AM
DescriptionSeverityAffected Software
Mar 11, 2022
CVE Published
via MITRE·05:54 PM
Data Sourced
via MITRE·05:54 PM
DescriptionWeakness
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
1
What is the severity of CVE-2021-26341?
CVE-2021-26341 has a severity rating that indicates potential for data leakage through a vulnerability in some AMD CPUs.
2
How do I fix CVE-2021-26341?
To mitigate CVE-2021-26341, update to the recommended kernel versions provided in the AMD security bulletin.
3
Which AMD CPUs are affected by CVE-2021-26341?
CVE-2021-26341 affects several AMD CPUs that might transiently execute beyond unconditional direct branches.
4
What can happen if CVE-2021-26341 is exploited?
If exploited, CVE-2021-26341 could potentially lead to unauthorized data leakage from the affected systems.
5
Is there a workaround for CVE-2021-26341?
Currently, the most effective workaround for CVE-2021-26341 is to apply the patches and updates provided by AMD.