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kernel: Use After Free in unix_gc() which could result in a local privilege escalation

🗓️ 07 Apr 2022 09:05:42Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Use-after-free in unix_gc may enable local privilege escalation via race in Unix domain sockets.

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IBM Security Bulletins		Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities.
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IBM Security Bulletins		Security Bulletin: IBM QRadar Network Packet Capture is using components with known vulnerabilities
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IBM Security Bulletins		Security Bulletin: IBM Security Guardium is affected by multiple vulnerabilities
26 Mar 202503:34
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabiities in the IBM 4769 Developer's Toolkit. CVE-2019-20811, CVE-2020-0466, CVE-2021-0920, CVE-2021-3347, CVE-2018-19985, CVE-2018-20169, CVE-2019-13648, CVE-2019-15916, CVE-2019-19527
27 Apr 202620:48
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ATTACKERKB		CVE-2021-0920
15 Dec 202100:00
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Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2022:0825)
7 Aug 202300:00
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Tenable Nessus		CentOS 8 : kernel (CESA-2022:0825)
29 Mar 202200:00
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Tenable Nessus		CentOS 7 : kpatch-patch (RHSA-2022:0592)
9 Oct 202400:00
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Tenable Nessus		CentOS 7 : kernel (RHSA-2022:0620)
25 Feb 202200:00
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Tenable Nessus		Debian DLA-2843-1 : linux - LTS security update
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9noarchredhat-virtualization-host-image-update4.3.22-20220330.1.el7_9redhat-virtualization-host-image-update-4.3.22-20220330.1.el7_9.noarch.rpm

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03 Jul 2026 11:48Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.16.4
CVSS 26.9
EPSS0.00811
SSVC
CWE-416
unix domain socketsuse after freerace conditiongarbage collectionclose racefget race
5