Bug 1950398 (CVE-2021-31162) - CVE-2021-31162 rust: double free in Vec::from_iter function if freeing the element panics
Summary: CVE-2021-31162 rust: double free in Vec::from_iter function if freeing the el...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-31162
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: 1950400 1950401 1952984 1952985 1959106 1969556
Blocks: 1949215
TreeView+ depends on / blocked
 
Reported: 2021-04-16 14:18 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-04-17 21:18 UTC (History)
11 users (show)

Fixed In Version: rust 1.52.0
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Environment:
Last Closed: 2021-08-10 13:28:43 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:3042 0 None None None 2021-08-10 07:26:19 UTC
Red Hat Product Errata RHSA-2021:3063 0 None None None 2021-08-10 13:51:20 UTC

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
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