Bug 1950398 (CVE-2021-31162)

Summary: CVE-2021-31162 rust: double free in Vec::from_iter function if freeing the element panics
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: amulhern, bodavis, cbuissar, igor.raits, jcajka, jistone, jpadman, mnewsome, rust-sig, TicoTimo, tstellar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: rust 1.52.0 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-08-10 13:28:43 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1950400, 1950401, 1952984, 1952985, 1959106, 1969556    
Bug Blocks: 1949215    

Description Guilherme de Almeida Suckevicz 2021-04-16 14:18:20 UTC 
In the standard library in Rust before 1.53.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

Reference:
https://github.com/rust-lang/rust/issues/83618

Upstream patch:
https://github.com/rust-lang/rust/pull/83629
Comment 1 Guilherme de Almeida Suckevicz 2021-04-16 14:18:47 UTC 
Created rust tracking bugs for this issue:

Affects: epel-7 [bug 1950401]
Affects: fedora-all [bug 1950400]
Comment 5 Josh Stone 2021-04-29 16:18:51 UTC 
This was backported to the upstream beta branch, so it will now be fixed in 1.52.0.
https://github.com/rust-lang/rust/pull/84603
Comment 7 errata-xmlrpc 2021-08-10 07:26:17 UTC 
This issue has been addressed in the following products:

  Red Hat Developer Tools

Via RHSA-2021:3042 https://access.redhat.com/errata/RHSA-2021:3042
Comment 8 Product Security DevOps Team 2021-08-10 13:28:43 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-2021-31162
Comment 9 errata-xmlrpc 2021-08-10 13:51:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3063 https://access.redhat.com/errata/RHSA-2021:3063