Bug 3998 - [ANCK 4.19] CVE-2020-25671
Summary: [ANCK 4.19] CVE-2020-25671
Status: RESOLVED FIXED
Alias: None
Product: ANCK 4.19 Dev
Classification: ANCK
Component: net (show other bugs) net
Version: 4.19-026.x
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: XuanZhuo
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-02-08 17:36 UTC by songkai
Modified: 2023-03-29 11:47 UTC (History)
3 users (show)

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Description songkai inspur_group 2023-02-08 17:36:51 UTC 
CVE-2020-25671

nfc_llcp_local_get() is invoked in llcp_sock_connect(),
but nfc_llcp_local_put() is not invoked in subsequent failure branches.
As a result, refcount leakage occurs.
To fix it, add calling nfc_llcp_local_put().

upstream c14b50185cd0d5ba6d7a5eb8acf9fbcc3663416d
Comment 1 宁畅 alibaba_cloud_group 2023-03-29 11:47:11 UTC 
PR: https://gitee.com/anolis/cloud-kernel/pulls/1150