kernel: Reserved fields in guest message responses may not be zero initialized
Published Feb 13, 2024
6.0
MEDIUMCVSS 3.1
EPSS 0.31%
Description
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
Affected products
-
- Version variousStatusaffectedConstraints-
- Version
-
- 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
Running on/with
- n/a
Configuration 2
- < milanpi_1.0.0.c
Configuration 3
- < milanpi_1.0.0.c
Configuration 4
- < milanpi_1.0.0.c
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- n/a
Configuration 5
- < milanpi_1.0.0.c
Configuration 6
- < milanpi_1.0.0.c
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- n/a
Configuration 7
- < milanpi_1.0.0.c
Configuration 8
- < milanpi_1.0.0.c
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- n/a
Configuration 9
- < milanpi_1.0.0.c
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- n/a
Configuration 10
- < milanpi_1.0.0.c
Configuration 11
- < milanpi_1.0.0.c
Configuration 12
- < milanpi_1.0.0.c
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- n/a
Configuration 13
- < milanpi_1.0.0.c
Configuration 14
- < milanpi_1.0.0.c
Configuration 15
- < milanpi_1.0.0.c
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- n/a
Configuration 16
- < milanpi_1.0.0.c
Configuration 17
- < milanpi_1.0.0.c
Configuration 18
- < milanpi_1.0.0.c
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- n/a
Configuration 19
- < milanpi_1.0.0.c
Configuration 20
- < milanpi_1.0.0.c
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- n/a
Configuration 21
- < milanpi_1.0.0.c
Configuration 22
- < milanpi_1.0.0.c
Configuration 23
- < milanpi_1.0.0.c
Configuration 24
- < milanpi_1.0.0.c
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- n/a
Configuration 25
- < milanpi_1.0.0.c
Configuration 26
- < milanpi_1.0.0.c
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- n/a
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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- n/a
Configuration 30
- < genoapi_1.0.0.b
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- n/a
Configuration 31
- < genoapi_1.0.0.b
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- n/a
Configuration 32
- < genoapi_1.0.0.b
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Configuration 33
- < genoapi_1.0.0.b
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Configuration 34
- < genoapi_1.0.0.b
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- n/a
Configuration 35
- < genoapi_1.0.0.b
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Configuration 36
- < genoapi_1.0.0.b
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- n/a
Configuration 37
- < genoapi_1.0.0.b
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- n/a
Configuration 38
- < genoapi_1.0.0.b
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- n/a
Configuration 39
- < genoapi_1.0.0.b
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- n/a
Configuration 40
- < genoapi_1.0.0.b
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- n/a
Configuration 41
- < genoapi_1.0.0.b
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- n/a
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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- n/a
Configuration 48
- < genoapi_1.0.0.b
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- n/a
Configuration 49
- < genoapi_1.0.0.b
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- n/a
Configuration 50
- < genoapi_1.0.0.b
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- n/a
Configuration 51
- < genoapi_1.0.0.b
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- n/a
Configuration 52
- < genoapi_1.0.0.b
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- n/a
Configuration 53
- < genoapi_1.0.0.b
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- n/a
Configuration 54
- < genoapi_1.0.0.b
Configuration 55
- < genoapi_1.0.0.b
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- n/a
Configuration 56
- < genoapi_1.0.0.b
Configuration 57
- < genoapi_1.0.0.b
Configuration 58
- < genoapi_1.0.0.b
Running on/with
- n/a
Configuration 59
- < genoapi_1.0.0.b
Configuration 60
- < genoapi_1.0.0.b
Configuration 61
- < genoapi_1.0.0.b
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- n/a
Configuration 62
- < genoapi_1.0.0.b
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- n/a
No data.
Red Hat Enterprise Linux 8
linux-firmware-0:20240610-122.git90df68d2.el8_10
Fixed · RHSA-2024:4262
Red Hat Enterprise Linux 8.2 Advanced Update Support
linux-firmware-0:20240715-102.2.git4c8fb21e.el8_2
Fixed · RHSA-2024:5883
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
linux-firmware-0:20240610-106.1.git90df68d2.el8_4
Fixed · RHSA-2024:4733
Red Hat Enterprise Linux 8.4 Telecommunications Update Service
linux-firmware-0:20240610-106.1.git90df68d2.el8_4
Fixed · RHSA-2024:4733
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
linux-firmware-0:20240610-106.1.git90df68d2.el8_4
Fixed · RHSA-2024:4733
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
linux-firmware-0:20240610-114.1.git90df68d2.el8_6
Fixed · RHSA-2024:4409
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
linux-firmware-0:20240610-114.1.git90df68d2.el8_6
Fixed · RHSA-2024:4409
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
linux-firmware-0:20240610-114.1.git90df68d2.el8_6
Fixed · RHSA-2024:4409
Red Hat Enterprise Linux 8.8 Extended Update Support
linux-firmware-0:20240610-118.1.git90df68d2.el8_8
Fixed · RHSA-2024:4741
Red Hat Enterprise Linux 9
linux-firmware-0:20240603-143.1.el9_4
Fixed · RHSA-2024:4774
Red Hat Enterprise Linux 9.2 Extended Update Support
linux-firmware-0:20240603-138.1.el9_2
Fixed · RHSA-2024:5640
Red Hat Enterprise Linux 6
linux-firmware
Affected
Red Hat Enterprise Linux 7
linux-firmware
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | linux-firmware-0:20240610-122.git90df68d2.el8_10 | Fixed | RHSA-2024:4262 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | linux-firmware-0:20240715-102.2.git4c8fb21e.el8_2 | Fixed | RHSA-2024:5883 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | linux-firmware-0:20240610-106.1.git90df68d2.el8_4 | Fixed | RHSA-2024:4733 |
| Red Hat Enterprise Linux 8.4 Telecommunications Update Service | linux-firmware-0:20240610-106.1.git90df68d2.el8_4 | Fixed | RHSA-2024:4733 |
| Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | linux-firmware-0:20240610-106.1.git90df68d2.el8_4 | Fixed | RHSA-2024:4733 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | linux-firmware-0:20240610-114.1.git90df68d2.el8_6 | Fixed | RHSA-2024:4409 |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | linux-firmware-0:20240610-114.1.git90df68d2.el8_6 | Fixed | RHSA-2024:4409 |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | linux-firmware-0:20240610-114.1.git90df68d2.el8_6 | Fixed | RHSA-2024:4409 |
| Red Hat Enterprise Linux 8.8 Extended Update Support | linux-firmware-0:20240610-118.1.git90df68d2.el8_8 | Fixed | RHSA-2024:4741 |
| Red Hat Enterprise Linux 9 | linux-firmware-0:20240603-143.1.el9_4 | Fixed | RHSA-2024:4774 |
| Red Hat Enterprise Linux 9.2 Extended Update Support | linux-firmware-0:20240603-138.1.el9_2 | Fixed | RHSA-2024:5640 |
| Red Hat Enterprise Linux 6 | linux-firmware | Affected | n/a |
| Red Hat Enterprise Linux 7 | linux-firmware | 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-2023-31346 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250458 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-35657 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-31346
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007 vendor-advisoryVendor Advisory
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3007.html
- https://www.cve.org/CVERecord?id=CVE-2023-31346
Change history (0)
No recorded changes yet.