# CVE-2021-4115: policykit-1: There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descript... CVE-2021-4115 is fixed in 11 products on 1 platform, first by gir1.2-polkit-1.0 0.105-26ubuntu1.3, released February 14, 2022. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2021-4115 - Priority: Routine - CVSS: 6.2 (medium) - EPSS: 0.0053 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 14, 2022 ## Description There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gir1.2-polkit-1.0 Ubuntu 20.04 LTS (focal) | 0.105-26ubuntu1.3 | [gir1.2-polkit-1.0 0.105-26ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-polkit-1.0-0.105-26ubuntu1.3.md) | Feb 14, 2022 | | Linux | libpolkit-agent-1-0 Ubuntu 20.04 LTS (focal) | 0.105-26ubuntu1.3 | [libpolkit-agent-1-0 0.105-26ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpolkit-agent-1-0-0.105-26ubuntu1.3.md) | Feb 14, 2022 | | Linux | libpolkit-gobject-1-0 Ubuntu 20.04 LTS (focal) | 0.105-26ubuntu1.3 | [libpolkit-gobject-1-0 0.105-26ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpolkit-gobject-1-0-0.105-26ubuntu1.3.md) | Feb 14, 2022 | | Linux | policykit-1 Debian 12.15 (bookworm) | 0.105-32 | [DEBIAN-CVE-2021-4115](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4115.md) | Feb 21, 2022 | | Linux | policykit-1 Debian 13.5 (trixie) | 0.105-32 | [DEBIAN-CVE-2021-4115](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4115.md) | Feb 21, 2022 | | Linux | policykit-1 Debian 14 | 0.105-32 | [DEBIAN-CVE-2021-4115](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4115.md) | Feb 21, 2022 | | Linux | policykit-1 Ubuntu 20.04 LTS (focal) | 0.105-26ubuntu1.3 | [policykit-1 0.105-26ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-policykit-1-0.105-26ubuntu1.3.md) | Feb 14, 2022 | | Linux | polkit RHEL 8 | 0:0.115-13.el8_5.2 | [RHSA-2022:1546](https://patchblox.com/security/data/fix/linux/rhsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit almalinux 8 | 0.115-13.el8_5.2 | [ALSA-2022:1546](https://patchblox.com/security/data/fix/linux/alsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit ol 8 | 0:0.115-13.0.1.el8_5.2 | [ELSA-2022-1546](https://patchblox.com/security/data/fix/linux/elsa-2022-1546.md) | Apr 27, 2022 | | Linux | polkit rocky 8 | 0:0.115-13.el8_5.2 | [RLSA-2022:1546](https://patchblox.com/security/data/fix/linux/rlsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-debuginfo amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit-debugsource amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit-devel RHEL 8 | 0:0.115-13.el8_5.2 | [RHSA-2022:1546](https://patchblox.com/security/data/fix/linux/rhsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-devel almalinux 8 | 0.115-13.el8_5.2 | [ALSA-2022:1546](https://patchblox.com/security/data/fix/linux/alsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-devel amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit-devel ol 8 | 0:0.115-13.0.1.el8_5.2 | [ELSA-2022-1546](https://patchblox.com/security/data/fix/linux/elsa-2022-1546.md) | Apr 27, 2022 | | Linux | polkit-docs RHEL 8 | 0:0.115-13.el8_5.2 | [RHSA-2022:1546](https://patchblox.com/security/data/fix/linux/rhsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-docs almalinux 8 | 0.115-13.el8_5.2 | [ALSA-2022:1546](https://patchblox.com/security/data/fix/linux/alsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-docs amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit-docs ol 8 | 0:0.115-13.0.1.el8_5.2 | [ELSA-2022-1546](https://patchblox.com/security/data/fix/linux/elsa-2022-1546.md) | Apr 27, 2022 | | Linux | polkit-libs RHEL 8 | 0:0.115-13.el8_5.2 | [RHSA-2022:1546](https://patchblox.com/security/data/fix/linux/rhsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-libs almalinux 8 | 0.115-13.el8_5.2 | [ALSA-2022:1546](https://patchblox.com/security/data/fix/linux/alsa-2022-1546.md) | Apr 26, 2022 | | Linux | polkit-libs amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | | Linux | polkit-libs ol 8 | 0:0.115-13.0.1.el8_5.2 | [ELSA-2022-1546](https://patchblox.com/security/data/fix/linux/elsa-2022-1546.md) | Apr 27, 2022 | | Linux | polkit-libs-debuginfo amzn 2023 | 0.117-10.amzn2023.0.3 | [ALAS2023-2023-026](https://patchblox.com/security/data/fix/linux/alas2023-2023-026.md) | Feb 17, 2023 | --- Data as of 2026-11-11T07:45:43Z UTC. 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