ASB-A-260821414

vendorUSosv

view advisory published 2023-05-01Licence: per source

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-21102US	high7.8	0.18% (7th)	—	2023-05-15
In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privileg…

references

External citations — patches, advisories, analysis.

https://android.googlesource.com/kernel/common/+/984241bdc04f401c423005a52eb013b00e19358cFIX
https://android.googlesource.com/kernel/common/+/ec6fe823507b2f6ef4a58f3a9bee9a5ec086c32cFIX
https://source.android.com/security/bulletin/2023-05-01ADVISORY

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