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prionPRIOn knowledge basePRION:CVE-2022-29275
HistoryNov 15, 2022 - 9:15 p.m.

Input validation

2022-11-1521:15:00
PRIOn knowledge base
www.prio-n.com
3
usbcoredxe
untrusted input
memory tampering
privilege escalation
insyde
kernels 5.0-5.5

8.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

In UsbCoreDxe, untrusted input may allow SMRAM or OS memory tampering Use of untrusted pointers could allow OS or SMRAM memory tampering leading to escalation of privileges. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.21 Kernel 5.1: version 05.17.21 Kernel 5.2: version 05.27.21 Kernel 5.3: version 05.36.21 Kernel 5.4: version 05.44.21 Kernel 5.5: version 05.52.21 https://www.insyde.com/security-pledge/SA-2022058

8.9 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

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