synced 3 MIN AGO
01 Record

CVE-2021-35937

A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.3% of scored records. A rank, not a probability.
NVD base score
6.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-08-25 00:00Z4 YR AGO
Last updated
2024-08-04 00:40Z2 YR AGO
Reserved
2021-06-29
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-59Improper Link Resolution Before File Access ('Link Following')Base
  • CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
Data version
5.1
Document digest
5823ed7529e93741b4141bc4a9c848049d8a68564420a10e98a3557a02d6ee53

05 Affected products

VendorProductVersionsPlatforms
n/aRPMFixed in rpm v4.18.0—

06 References

07 Fixed in

AlmaLinux 8

  • python3-rpm
    Fixed in 4.14.3-28.el8_9
  • rpm
    Fixed in 4.14.3-28.el8_9
  • rpm-apidocs
    Fixed in 4.14.3-28.el8_9
  • rpm-build
    Fixed in 4.14.3-28.el8_9
  • rpm-build-libs
    Fixed in 4.14.3-28.el8_9
  • rpm-cron
    Fixed in 4.14.3-28.el8_9
  • rpm-devel
    Fixed in 4.14.3-28.el8_9
  • rpm-libs
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-fapolicyd
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-ima
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-prioreset
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-selinux
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-syslog
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-systemd-inhibit
    Fixed in 4.14.3-28.el8_9
  • rpm-sign
    Fixed in 4.14.3-28.el8_9

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 9

  • python3-rpm
    Fixed in 4.16.1.3-27.el9_3
  • rpm
    Fixed in 4.16.1.3-27.el9_3
  • rpm-apidocs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-build
    Fixed in 4.16.1.3-27.el9_3
  • rpm-build-libs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-cron
    Fixed in 4.16.1.3-27.el9_3
  • rpm-devel
    Fixed in 4.16.1.3-27.el9_3
  • rpm-libs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-audit
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-fapolicyd
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-ima
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-selinux
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-syslog
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-systemd-inhibit
    Fixed in 4.16.1.3-27.el9_3
  • rpm-sign
    Fixed in 4.16.1.3-27.el9_3
  • rpm-sign-libs
    Fixed in 4.16.1.3-27.el9_3

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • python3-rpm
    Fixed in 4.14.3-28.el8_9
  • rpm
    Fixed in 4.14.3-28.el8_9
  • rpm-apidocs
    Fixed in 4.14.3-28.el8_9
  • rpm-build
    Fixed in 4.14.3-28.el8_9
  • rpm-build-libs
    Fixed in 4.14.3-28.el8_9
  • rpm-cron
    Fixed in 4.14.3-28.el8_9
  • rpm-devel
    Fixed in 4.14.3-28.el8_9
  • rpm-libs
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-fapolicyd
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-ima
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-prioreset
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-selinux
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-syslog
    Fixed in 4.14.3-28.el8_9
  • rpm-plugin-systemd-inhibit
    Fixed in 4.14.3-28.el8_9
  • rpm-sign
    Fixed in 4.14.3-28.el8_9

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 9

  • python3-rpm
    Fixed in 4.16.1.3-27.el9_3
  • rpm
    Fixed in 4.16.1.3-27.el9_3
  • rpm-apidocs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-build
    Fixed in 4.16.1.3-27.el9_3
  • rpm-build-libs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-cron
    Fixed in 4.16.1.3-27.el9_3
  • rpm-devel
    Fixed in 4.16.1.3-27.el9_3
  • rpm-libs
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-audit
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-fapolicyd
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-ima
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-selinux
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-syslog
    Fixed in 4.16.1.3-27.el9_3
  • rpm-plugin-systemd-inhibit
    Fixed in 4.16.1.3-27.el9_3
  • rpm-sign
    Fixed in 4.16.1.3-27.el9_3
  • rpm-sign-libs
    Fixed in 4.16.1.3-27.el9_3

Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • rpm
    Fixed in 4.18.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • rpm
    Fixed in 4.18.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • rpm
    Fixed in 4.18.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • rpm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 14.04 LTS

  • rpm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • rpm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • rpm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • rpm
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.