Bug 6961 - [Anolis OS 8] Bugfix for CVE-2022-39188
Summary: [Anolis OS 8] Bugfix for CVE-2022-39188
Status: RESOLVED DUPLICATE of bug 2214
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: 2023-10-19 16:46 UTC by 小龙
Modified: 2023-10-24 15:40 UTC (History)
1 user (show)

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Description 小龙 admin 2023-10-19 16:46:57 UTC 
Description:
An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

Broken commit info:

Bugfix commit info:
https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15
Comment 1 zl01087097 alibaba_cloud_group 2023-10-24 15:40:49 UTC 
此前已修复，cve-center bug冲掉了评估结果，回补评估结果时重新创建的bugzilla

*** This bug has been marked as a duplicate of bug 2214 ***