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CVE-2021-26318

🗓️ 13 Oct 2021 19:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 413 Views

A side channel attack exploiting x86 PREFETCH instructions on certain AMD CPUs could leak kernel address space information. No microcode update details available as of 2022-01-05

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-26318
12 Oct 202119:30
–attackerkb
amd
Amd
Side-channels Related to the x86 PREFETCH Instruction
12 Oct 202100:00
–amd
bdu_fstec
BDU FSTEC
AMD PREFETCH Information Disclosure
20 Oct 202100:00
–bdu_fstec
circl
Circl
CVE-2021-26318
13 Oct 202122:26
–circl
cnnvd
CNNVD
Advanced Micro Devices Cpu 信息泄露漏洞
13 Oct 202100:00
–cnnvd
cve
CVE
CVE-2021-26318
13 Oct 202118:29
–cve
cvelist
Cvelist
CVE-2021-26318 Side-channels Related to the x86 PREFETCH Instruction
13 Oct 202118:29
–cvelist
euvd
EUVD
EUVD-2021-13124
7 Oct 202500:30
–euvd
lenovo
Lenovo
AMD x86 PREFETCH instruction related side-channels - Lenovo Support US
12 Oct 202117:54
–lenovo
nvd
NVD
CVE-2021-26318
13 Oct 202119:15
–nvd
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21 Jan 2026 22:19Current
5.9Medium risk
Vulners AI Score5.9
CVSS 21.9
CVSS 3.14.7
EPSS0.00327
413