Bug 2093158 (CVE-2022-29694) - CVE-2022-29694 unicorn: null pointer dereference via qemu_ram_free when HVA malloc fails
Summary: CVE-2022-29694 unicorn: null pointer dereference via qemu_ram_free when HVA m...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-29694
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2093161
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-06-03 06:41 UTC by TEJ RATHI
Modified: 2022-06-03 10:29 UTC (History)
2 users (show)

Fixed In Version: unicorn 2.0.0-rc7
Clone Of:
Environment:
Last Closed: 2022-06-03 10:29:29 UTC
Embargoed:

Attachments (Terms of Use)

Description TEJ RATHI 2022-06-03 06:41:53 UTC 
Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

https://github.com/unicorn-engine/unicorn/pull/1593/commits/6a879a082d4d67a5d13f1233ae0334cde0a7f844
https://github.com/unicorn-engine/unicorn/pull/1593/commits/31389e59457f304be3809f9679f91a42daa7ebaa
https://violentbinary.github.io/posts/2-simple-analysis-of-software-virtualization-of-memory-in-unicorn-engine/
https://github.com/unicorn-engine/unicorn/commit/3d3deac5e6d38602b689c4fef5dac004f07a2e63
https://github.com/unicorn-engine/unicorn/issues/1588
Comment 1 TEJ RATHI 2022-06-03 06:42:26 UTC 
Created unicorn tracking bugs for this issue:

Affects: fedora-all [bug 2093161]
Comment 2 Product Security DevOps Team 2022-06-03 10:29:27 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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