CVE-2021-26318
published 2021-10-13CVE-2021-26318: A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space…
PriorityP418medium4.7CVSS 3.1
AVLACHPRLUINSUCHINAN
EPSS
0.32%
23.7th percentile
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| amd | all_supported_processors | >= unspecified < undefined | undefined |
CVSS provenance
nvdv3.14.7MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.01.9LOWAV:L/AC:M/Au:N/C:P/I:N/A:N
osv4.7MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-8rf7-vpj6-3967: A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel addre
ghsa_unreviewed·2022-05-24
CVE-2021-26318 [MEDIUM] CWE-203 GHSA-8rf7-vpj6-3967: A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel addre
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
OSV
CVE-2021-26318: A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel addre
osv·2021-10-13·CVSS 4.7
CVE-2021-26318 [MEDIUM] CVE-2021-26318: A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel addre
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-10-13
Published