Bug 2177371 (CVE-2023-1382) - CVE-2023-1382 kernel: denial of service in tipc_conn_close
Summary: CVE-2023-1382 kernel: denial of service in tipc_conn_close
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2023-1382
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: Red Hat2177374 Red Hat2177375 Red Hat2160540 Red Hat2177372 Red Hat2177373
Blocks: Embargoed2158739
TreeView+ depends on / blocked
 
Reported: 2023-03-11 09:05 UTC by Rohit Keshri
Modified: 2023-05-12 20:14 UTC (History)
37 users (show)

Fixed In Version: Kernel 6.1 RC7
Doc Type: If docs needed, set a value
Doc Text:
A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.
Clone Of:
Environment:
Last Closed: 2023-05-09 15:19:05 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2148 0 None None None 2023-05-09 07:13:04 UTC
Red Hat Product Errata RHSA-2023:2458 0 None None None 2023-05-09 07:51:34 UTC

Description Rohit Keshri 2023-03-11 09:05:09 UTC 
A data race happens between con is allocated and con->sock is set, leading to null pointer dereference when accessing con->sock->sk. The null pointer dereference issue was found in tipc protocol in net/tipc/topsrv.c in Linux before 6.0.

Reference:
https://lore.kernel.org/netdev/bc7bd3183f1c275c820690fc65b708238fe9e38e.1668807842.git.lucien.xin@gmail.com/T/#u
Comment 5 errata-xmlrpc 2023-05-09 07:13:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148
Comment 6 errata-xmlrpc 2023-05-09 07:51:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458
Comment 7 Product Security DevOps Team 2023-05-09 15:19:01 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-1382
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