High severity · published Nov 9, 2022
CVE-2021-26392
Insufficient verification of missing size check in 'LoadModule' may lead to an out-of-bounds write potentially allowing an attacker with privileges to gain code execution of the…
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Insufficient verification of missing size check in 'LoadModule' may lead to an out-of-bounds write potentially allowing an attacker with privileges to gain code execution of the OS/kernel by loading a malicious TA.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AG
Athlon Gold 3150c Firmware · Amd
All versions, or not specified · source: NVD
AG
Athlon Gold 3150u Firmware · Amd
All versions, or not specified · source: NVD
AP
Athlon Pro 3045b Firmware · Amd
All versions, or not specified · source: NVD
AP
Athlon Pro 3145b Firmware · Amd
All versions, or not specified · source: NVD
AS
Athlon Silver 3050c Firmware · Amd
All versions, or not specified · source: NVD
AS
Athlon Silver 3050e Firmware · Amd
All versions, or not specified · source: NVD
AS
Athlon Silver 3050u Firmware · Amd
All versions, or not specified · source: NVD
ED
Enterprise Driver · Amd
before 22.10.20 · source: NVD
RP
Radeon Pro Software · Amd
before 22.q2 · source: NVD
RR
Radeon RX Vega 56 Firmware · Amd
All versions, or not specified · source: NVD
RR
Radeon RX Vega 64 Firmware · Amd
All versions, or not specified · source: NVD
RS
Radeon Software · Amd
before 22.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26392
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26392
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029
www.amd.com
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-5001
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