Bug 2046440 (CVE-2022-0382) - CVE-2022-0382 kernel: information leak due to uninitialized memory in __tipc_sendmsg() in net/tipc/socket.c
Summary: CVE-2022-0382 kernel: information leak due to uninitialized memory in __tipc_...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-0382
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: 2046442 2048240 2048241 2050039
Blocks: 2039894 2046443
TreeView+ depends on / blocked
 
Reported: 2022-01-26 17:04 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-05-10 17:13 UTC (History)
43 users (show)

Fixed In Version: Linux kernel 5.17-rc1
Doc Type: If docs needed, set a value
Doc Text:
An information leak flaw was found due to uninitialized memory in the Linux kernel’s TIPC protocol subsystem, in the way a user sends a TIPC datagram to one or more destinations. This flaw allows a local user to read some kernel memory. This issue is limited to no more than 7 bytes, and the user cannot control what is read.
Clone Of:
Environment:
Last Closed: 2023-05-10 17:13:04 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2022-01-26 17:04:12 UTC 
A flaw was found in the Linux kernel. There is a information leak due to uninitialized memory in __tipc_sendmsg() in net/tipc/socket.c.

Reference and upstream patch:
https://github.com/torvalds/linux/commit/d6d86830705f173fca6087a3e67ceaf68db80523
Comment 1 Guilherme de Almeida Suckevicz 2022-01-26 17:04:57 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2046442]
Comment 2 Justin M. Forbes 2022-01-26 20:58:38 UTC 
This was fixed for Fedora with the 5.15.14 stable kernel updates.
Comment 3 Alex 2022-01-30 11:22:16 UTC 
Actual starting from v5.13-rc1 till v5.17-rc1.
Comment 6 juneau 2022-01-31 13:31:25 UTC 
Services notaffected per kernel analysis.
Comment 14 Product Security DevOps Team 2023-05-10 17:13:00 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-2022-0382
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