CVE-2021-26363
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for...
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
4.4
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
- Record
CVE-2021-26363- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
- Record
CVE-2021-26363- Updated
- 2026-11-02
EUVDEUVD-2021-13169 No score
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
- Record
EUVD-2021-13169- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v2rv-5w2r-qqhg
4.4
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for...
A malicious or compromised UApp or ABL could potentially change the value that the ASP uses for its reserved DRAM, to one outside of the fenced area, potentially leading to data exposure.
- Record
GHSA-v2rv-5w2r-qqhg- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
Affected products
- amd athlon™ series
- amd radeon software
- amd ryzen 3 3100 firmware
- amd ryzen 3 3300g firmware
- amd ryzen 3 3300x firmware
- amd ryzen 3 5125c firmware
- amd ryzen 3 5400u firmware
- amd ryzen 3 5425c firmware
- amd ryzen 3 5425u firmware
- amd ryzen 5 3400g firmware
- amd ryzen 5 3450g firmware
- amd ryzen 5 3600 firmware
Show 24 moreShow less
- amd ryzen 5 3600x firmware
- amd ryzen 5 5560u firmware
- amd ryzen 5 5600h firmware
- amd ryzen 5 5600hs firmware
- amd ryzen 5 5600u firmware
- amd ryzen 5 5600x firmware
- amd ryzen 5 5625c firmware
- amd ryzen 5 5625u firmware
- amd ryzen 5 5700g firmware
- amd ryzen 5 5700ge firmware
- amd ryzen 7 3700x firmware
- amd ryzen 7 3800x firmware
- amd ryzen 7 5800h firmware
- amd ryzen 7 5800hs firmware
- amd ryzen 7 5800u firmware
- amd ryzen 7 5825c firmware
- amd ryzen 7 5825u firmware
- amd ryzen 9 3900x firmware
- amd ryzen 9 3950x firmware
- amd ryzen 9 5900hs firmware
- amd ryzen 9 5900hx firmware
- amd ryzen 9 5980hs firmware
- amd ryzen 9 5980hx firmware
- amd ryzen™ series
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26363 is a medium vulnerability (CVSS 4.4) in Amd Athlon™ Series, published May 12, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.