CVE-2024-21980

CWE-119 — Buffer OverflowCWE-787 — Out-of-bounds Write4 documents4 sources
Severity
7.9HIGH
EPSS
2.3%
top 15.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
90
AMD 3RD GEN AMD Epyc™ ProcessorsAMD 4TH GEN AMD Epyc™ ProcessorsAMD AMD Epyc™ Embedded 7003+87 more
Timeline
PublishedAug 5

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:NExploitability: 1.5 | Impact: 5.8

Affected Packages90 packages

▶NVDamd/epyc_7203_firmware< milanpi_1.0.0.d
▶NVDamd/epyc_72f3_firmware< milanpi_1.0.0.d
▶NVDamd/epyc_7303_firmware< milanpi_1.0.0.d
▶NVDamd/epyc_7313_firmware< milanpi_1.0.0.d
▶NVDamd/epyc_7343_firmware< milanpi_1.0.0.d

🔴Vulnerability Details

2
GHSA
GHSA-q9j5-9g8p-5h5q: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resu↗2024-08-05
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CVEList
CVE-2024-21980: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resu↗2024-08-05
▶

📋Vendor Advisories

1
Red Hat
kernel: hw:amd: Guest Memory Vulnerability in SNP↗2024-08-05
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CVE-2024-21980 (HIGH CVSS 7.9) | Improper restriction of write opera | cvebase.io