Bug 2102205 (CVE-2022-34494) - CVE-2022-34494 kernel: a double free in drivers/rpmsg/virtio_rpmsg_bus.c
Summary: CVE-2022-34494 kernel: a double free in drivers/rpmsg/virtio_rpmsg_bus.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-34494
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: 2102206
Blocks: 2102210
TreeView+ depends on / blocked
 
Reported: 2022-06-29 13:09 UTC by Marian Rehak
Modified: 2022-08-29 10:08 UTC (History)
49 users (show)

Fixed In Version: kernel 5.19-rc1
Doc Type: If docs needed, set a value
Doc Text:
A double free flaw was found in the Linux kernel Remote Processor Messaging (rpmsg) framework. This flaw could allow a local user to crash the system.
Clone Of:
Environment:
Last Closed: 2022-08-29 10:08:27 UTC
Embargoed:

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Description Marian Rehak 2022-06-29 13:09:19 UTC 
A double free in rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c may lead to a crash.

Reference:

https://github.com/torvalds/linux/commit/1680939e9ecf7764fba8689cfb3429c2fe2bb23c
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
Comment 1 Marian Rehak 2022-06-29 13:09:49 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2102206]
Comment 2 Justin M. Forbes 2022-06-29 16:11:10 UTC 
This was fixed for Fedora with the 5.18.4 stable kernel rebases.
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