Bug 1725 - [ANCK-4.19] Bugfix for CVE-2022-32250
Summary: [ANCK-4.19] Bugfix for CVE-2022-32250
Status: RESOLVED FIXED
Alias: None
Product: ANCK 4.19 Dev
Classification: ANCK
Component: net (show other bugs) net
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: XuanZhuo
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-07-25 15:50 UTC by kangjie
Modified: 2022-07-25 18:33 UTC (History)
2 users (show)

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Description kangjie 2022-07-25 15:50:47 UTC 
Description:
net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

Broken commit info:
https://github.com/torvalds/linux/commit/0b2d8a7b638b5034d2d68f6add8af94daaa1d4cd

Bugfix commit info:
https://github.com/torvalds/linux/commit/520778042ccca019f3ffa136dd0ca565c486cedd
Comment 1 kangjie 2022-07-25 18:33:34 UTC 
已修复

Link：https://gitee.com/anolis/cloud-kernel/pulls/566#note_11879048