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Red Hat Product Errata RHSA-2022:0271 - Security Advisory
Issued:
2022-01-25
Updated:
2022-01-25

RHSA-2022:0271 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: polkit security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for polkit is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

Description

The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones.

Security Fix(es):

  • polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)

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.

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

Affected Products

  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6 x86_64

Fixes

  • BZ - 2025869 - CVE-2021-4034 polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector

CVEs

  • CVE-2021-4034

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/RHSB-2022-001
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 7.6

SRPM
polkit-0.112-18.el7_6.3.src.rpm SHA-256: 70f9e6832022a4e853ad122f2070896bf21e198852d49c4433139352c29b661f
x86_64
polkit-0.112-18.el7_6.3.i686.rpm SHA-256: 1d1b086f608d6505340fc36c71b1ccc1ca45667f64eac0c6bbf859306068906e
polkit-0.112-18.el7_6.3.x86_64.rpm SHA-256: 0c783931d5e943b231c2cb4c25d4f3d96e6525d2f13a86885b8ca323f024768b
polkit-debuginfo-0.112-18.el7_6.3.i686.rpm SHA-256: c60859b1fea54d09e8efa4804c0d9c2e73eed2ab3df48220b9495b0da80631dd
polkit-debuginfo-0.112-18.el7_6.3.x86_64.rpm SHA-256: 74ccbb7ef93bcaded5dfbeae07a1ae804d3f387e967a5d831f933ec3509ed4a8
polkit-devel-0.112-18.el7_6.3.i686.rpm SHA-256: be574d3182bebe493a60dc9b06873f29fa4fe7527449e402eb7b67c7bda3be58
polkit-devel-0.112-18.el7_6.3.x86_64.rpm SHA-256: caed3373359e09106ef373a46ac5ee8e32fcf22d77a7f6eb9d0bf71346014a1e
polkit-docs-0.112-18.el7_6.3.noarch.rpm SHA-256: c1b52792db004b0d0dafaad10035f19ccdf6e84afec2cce03f1c08103eb45fbd

Red Hat Enterprise Linux Server - TUS 7.6

SRPM
polkit-0.112-18.el7_6.3.src.rpm SHA-256: 70f9e6832022a4e853ad122f2070896bf21e198852d49c4433139352c29b661f
x86_64
polkit-0.112-18.el7_6.3.i686.rpm SHA-256: 1d1b086f608d6505340fc36c71b1ccc1ca45667f64eac0c6bbf859306068906e
polkit-0.112-18.el7_6.3.x86_64.rpm SHA-256: 0c783931d5e943b231c2cb4c25d4f3d96e6525d2f13a86885b8ca323f024768b
polkit-debuginfo-0.112-18.el7_6.3.i686.rpm SHA-256: c60859b1fea54d09e8efa4804c0d9c2e73eed2ab3df48220b9495b0da80631dd
polkit-debuginfo-0.112-18.el7_6.3.x86_64.rpm SHA-256: 74ccbb7ef93bcaded5dfbeae07a1ae804d3f387e967a5d831f933ec3509ed4a8
polkit-devel-0.112-18.el7_6.3.i686.rpm SHA-256: be574d3182bebe493a60dc9b06873f29fa4fe7527449e402eb7b67c7bda3be58
polkit-devel-0.112-18.el7_6.3.x86_64.rpm SHA-256: caed3373359e09106ef373a46ac5ee8e32fcf22d77a7f6eb9d0bf71346014a1e
polkit-docs-0.112-18.el7_6.3.noarch.rpm SHA-256: c1b52792db004b0d0dafaad10035f19ccdf6e84afec2cce03f1c08103eb45fbd

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6

SRPM
polkit-0.112-18.el7_6.3.src.rpm SHA-256: 70f9e6832022a4e853ad122f2070896bf21e198852d49c4433139352c29b661f
ppc64le
polkit-0.112-18.el7_6.3.ppc64le.rpm SHA-256: efc9db94d280ca5f74fad1fc6f7d1e5d156d23eaafae416284b5612cdc71c5b2
polkit-debuginfo-0.112-18.el7_6.3.ppc64le.rpm SHA-256: d0f8bbf90791530704627ac1864fc7e0c08eb37d16bb9b0d7882a0c0cb6010d6
polkit-devel-0.112-18.el7_6.3.ppc64le.rpm SHA-256: 376f6874f73a5e9eadc67eb48915650d2e903b27092aa029c8fc81391036ff93
polkit-docs-0.112-18.el7_6.3.noarch.rpm SHA-256: c1b52792db004b0d0dafaad10035f19ccdf6e84afec2cce03f1c08103eb45fbd

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6

SRPM
polkit-0.112-18.el7_6.3.src.rpm SHA-256: 70f9e6832022a4e853ad122f2070896bf21e198852d49c4433139352c29b661f
x86_64
polkit-0.112-18.el7_6.3.i686.rpm SHA-256: 1d1b086f608d6505340fc36c71b1ccc1ca45667f64eac0c6bbf859306068906e
polkit-0.112-18.el7_6.3.x86_64.rpm SHA-256: 0c783931d5e943b231c2cb4c25d4f3d96e6525d2f13a86885b8ca323f024768b
polkit-debuginfo-0.112-18.el7_6.3.i686.rpm SHA-256: c60859b1fea54d09e8efa4804c0d9c2e73eed2ab3df48220b9495b0da80631dd
polkit-debuginfo-0.112-18.el7_6.3.x86_64.rpm SHA-256: 74ccbb7ef93bcaded5dfbeae07a1ae804d3f387e967a5d831f933ec3509ed4a8
polkit-devel-0.112-18.el7_6.3.i686.rpm SHA-256: be574d3182bebe493a60dc9b06873f29fa4fe7527449e402eb7b67c7bda3be58
polkit-devel-0.112-18.el7_6.3.x86_64.rpm SHA-256: caed3373359e09106ef373a46ac5ee8e32fcf22d77a7f6eb9d0bf71346014a1e
polkit-docs-0.112-18.el7_6.3.noarch.rpm SHA-256: c1b52792db004b0d0dafaad10035f19ccdf6e84afec2cce03f1c08103eb45fbd

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

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