CVE-2022-28738

medium

Published 2022-09-20 · Modified 2022-10-19

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

Moderate: ruby security, bug fix, and enhancement update

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description Ruby: Double free in Regexp compilation Red Hat statement Ruby 2.6 series and 2.7 series are not affected. CVSS v3: 7.7 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 8ruby:3.0-8060020220810162001.ad008a3aRHSA-2022:64502022-09-13T00:00:00Z Red Hat Enterprise Linux…

Description

Ruby: Double free in Regexp compilation

Red Hat statement

Ruby 2.6 series and 2.7 series are not affected.

CVSS v3: 7.7 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 8	`ruby:3.0-8060020220810162001.ad008a3a`	RHSA-2022:6450	2022-09-13T00:00:00Z
Red Hat Enterprise Linux 9	`ruby-0:3.0.4-160.el9_0`	RHSA-2022:6585	2022-09-20T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7	`rh-ruby30-ruby-0:3.0.4-149.el7`	RHSA-2022:6855	2022-10-11T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`ruby`	Not affected
Red Hat Enterprise Linux 7	`ruby`	Not affected
Red Hat Enterprise Linux 8	`ruby:2.5/ruby`	Not affected
Red Hat Enterprise Linux 8	`ruby:2.6/ruby`	Not affected
Red Hat Enterprise Linux 8	`ruby:2.7/ruby`	Not affected
Red Hat Software Collections	`rh-ruby27-ruby`	Not affected

Apply commands

bash fix

Apply RHSA-2022:6450 for Red Hat Enterprise Linux 8

yum update -y ruby:3
# or:
dnf upgrade -y ruby:3

Affected

Vendor	Product	Version
redhat	Red Hat Enterprise Linux 6	`Not affected`
redhat	Red Hat Enterprise Linux 7	`Not affected`
redhat	Red Hat Enterprise Linux 8	`Not affected`
redhat	Red Hat Enterprise Linux 8	`Not affected`
redhat	Red Hat Enterprise Linux 8	`Not affected`
redhat	Red Hat Software Collections	`Not affected`

OS impact

AlmaLinux Fixed 1 release

Version	Status	Fixed in
9	Fixed	`rubygem-typeprof-0.15.2-160.el9_0.noarch.rpm`

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`3.0.4-1`

Debian Fixed 1 release

Version	Status	Fixed in
bullseye	Fixed	`0`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.