Bug 5265 - [Anolis OS 8] Bugfix for CVE-2023-21102
Summary: [Anolis OS 8] Bugfix for CVE-2023-21102
Status: NEW
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: BaseOS Packages (show other bugs) BaseOS Packages
Version: 8.6
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Jacob
QA Contact: shuming
URL:
Whiteboard:
Keywords: CVE
Depends on:
Blocks:
 
Reported: 2023-05-22 17:48 UTC by 小龙
Modified: 2023-05-22 17:48 UTC (History)
0 users

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Description 小龙 admin 2023-05-22 17:48:58 UTC 
Description:
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.Product: AndroidVersions: Android kernelAndroid ID: A-260821414References: Upstream kernel

Broken commit info:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=cefc7ca46235f01d5233e3abd4b79452af01d9e9
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=cefc7ca46235f01d5233e3abd4b79452af01d9e9
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=cefc7ca46235f01d5233e3abd4b79452af01d9e9

Bugfix commit info:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=d6544bccc1967cd6a883d6abac71fc7d863e8baa
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a993c1be595835acf578d0382bfd8f83475f301
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=72b0e5faa5149f09c6a7a74e4012f29e33509bab
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=d6544bccc1967cd6a883d6abac71fc7d863e8baa
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a993c1be595835acf578d0382bfd8f83475f301
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=72b0e5faa5149f09c6a7a74e4012f29e33509bab