kernel: Insufficient check may lead to an incorrect TSC
Published Feb 13, 2024
4.9
MEDIUMCVSS 3.1
EPSS 0.46%
Description
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.
Affected products
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- Version variousStatusaffectedConstraints-
- Version
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- Version variousStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AMD | 3rd Gen AMD EPYC™ Processors | affected |
| ||||||
| AMD | 4th Gen AMD EPYC™ Processors | affected |
|
Configuration 1
- < milanpi_1.0.0.c
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Configuration 2
- < milanpi_1.0.0.c
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Configuration 7
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Configuration 9
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Configuration 10
- < milanpi_1.0.0.c
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Configuration 12
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Configuration 13
- < milanpi_1.0.0.c
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- < milanpi_1.0.0.c
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Configuration 16
- < milanpi_1.0.0.c
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- < milanpi_1.0.0.c
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Configuration 19
- < milanpi_1.0.0.c
Configuration 20
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Configuration 21
- < milanpi_1.0.0.c
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- < milanpi_1.0.0.c
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- < milanpi_1.0.0.c
Configuration 24
- < milanpi_1.0.0.c
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Configuration 25
- < milanpi_1.0.0.c
Configuration 26
- < milanpi_1.0.0.c
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Configuration 27
- < milanpi_1.0.0.c
Configuration 28
- < milanpi_1.0.0.c
Configuration 29
- < milanpi_1.0.0.c
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Configuration 30
- < genoapi_1.0.0.b
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Configuration 31
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Configuration 32
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Configuration 34
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Configuration 36
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Configuration 37
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Configuration 38
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Configuration 39
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Configuration 40
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Configuration 41
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Configuration 42
- < genoapi_1.0.0.b
Configuration 43
- < genoapi_1.0.0.b
Configuration 44
- < genoapi_1.0.0.b
Configuration 45
- < genoapi_1.0.0.b
Configuration 46
- < genoapi_1.0.0.b
Configuration 47
- < genoapi_1.0.0.b
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Configuration 48
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Configuration 49
- < genoapi_1.0.0.b
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Configuration 50
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Configuration 51
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Configuration 52
- < genoapi_1.0.0.b
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Configuration 53
- < genoapi_1.0.0.b
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Configuration 54
- < genoapi_1.0.0.b
Configuration 55
- < genoapi_1.0.0.b
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Configuration 56
- < genoapi_1.0.0.b
Configuration 57
- < genoapi_1.0.0.b
Configuration 58
- < genoapi_1.0.0.b
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Configuration 59
- < genoapi_1.0.0.b
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- < genoapi_1.0.0.b
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Configuration 62
- < genoapi_1.0.0.b
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No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References (7)
- https://access.redhat.com/security/cve/CVE-2023-31347 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250460 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-35658 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-31347
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007 vendor-advisoryBroken Link
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3007.html
- https://www.cve.org/CVERecord?id=CVE-2023-31347
Change history (0)
No recorded changes yet.