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====================================================================                   
Red Hat Security Advisory

Synopsis:          Low: rust-toolset:rhel8 security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:1935-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1935
Issue date:        2021-05-18
CVE Names:         CVE-2020-36317 CVE-2020-36318
====================================================================
1. Summary:

An update for the rust-toolset:rhel8 module is now available for Red Hat
Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

Rust is a systems programming language that runs blazingly fast, prevents
segfaults, and guarantees thread safety.

The following packages have been upgraded to a later upstream version: rust
(1.49.0). (BZ#1896712)

Security Fix(es):

* rust: use-after-free or double free in VecDeque::make_contiguous
(CVE-2020-36318)

* rust: memory safety violation in String::retain() (CVE-2020-36317)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1949189 - CVE-2020-36317 rust: memory safety violation in String::retain()
1949192 - CVE-2020-36318 rust: use-after-free or double free in VecDeque::make_contiguous

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
rust-1.49.0-1.module+el8.4.0+9446+1a463e08.src.rpm
rust-toolset-1.49.0-1.module+el8.4.0+9446+1a463e08.src.rpm

aarch64:
cargo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
cargo-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
clippy-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
clippy-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rls-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rls-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-analysis-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-debugsource-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-doc-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-std-static-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rust-toolset-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rustfmt-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm
rustfmt-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.aarch64.rpm

noarch:
cargo-doc-1.49.0-1.module+el8.4.0+9446+1a463e08.noarch.rpm
rust-debugger-common-1.49.0-1.module+el8.4.0+9446+1a463e08.noarch.rpm
rust-gdb-1.49.0-1.module+el8.4.0+9446+1a463e08.noarch.rpm
rust-lldb-1.49.0-1.module+el8.4.0+9446+1a463e08.noarch.rpm
rust-src-1.49.0-1.module+el8.4.0+9446+1a463e08.noarch.rpm

ppc64le:
cargo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
cargo-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
clippy-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
clippy-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rls-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rls-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-analysis-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-debugsource-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-doc-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-std-static-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rust-toolset-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rustfmt-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm
rustfmt-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.ppc64le.rpm

s390x:
cargo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
cargo-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
clippy-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
clippy-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rls-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rls-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-analysis-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-debugsource-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-doc-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-std-static-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rust-toolset-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rustfmt-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm
rustfmt-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.s390x.rpm

x86_64:
cargo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
cargo-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
clippy-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
clippy-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rls-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rls-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-analysis-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-debugsource-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-doc-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-std-static-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rust-toolset-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rustfmt-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm
rustfmt-debuginfo-1.49.0-1.module+el8.4.0+9446+1a463e08.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-36317
https://access.redhat.com/security/cve/CVE-2020-36318
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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