Bug 1747330 (CVE-2019-15551)

Summary:	CVE-2019-15551 rust-smallvec: Double-free and use-after-free in SmallVec::grow()
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	igor.raits, rust-sig
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2019-08-30 07:07:24 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1747331
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Description Dhananjay Arunesh 2019-08-30 07:02:59 UTC

An issue was discovered in the smallvec crate before 0.6.10 for Rust. There is a double free for certain grow attempts with the current capacity.

Reference:
https://github.com/servo/rust-smallvec/issues/148

Comment 1 Dhananjay Arunesh 2019-08-30 07:03:15 UTC

Created rust-smallvec tracking bugs for this issue:

Affects: fedora-29 [bug 1747331]

Comment 2 Dhananjay Arunesh 2019-08-30 07:03:37 UTC

External References:

https://rustsec.org/advisories/RUSTSEC-2019-0009.html

Comment 3 Product Security DevOps Team 2019-08-30 07:07:24 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.