Linux Kernel up to 5.10.101/5.15.24/5.16.10 Pipe Dirty Pipe Privilege Escalation
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Linux Kernel up to 5.10.101/5.15.24/5.16.10 (Operating System) and classified as critical. This issue affects some unknown processing of the component Pipe Handler. Impacted is confidentiality, integrity, and availability.
The weakness was presented 03/08/2022. The advisory is shared at dirtypipe.cm4all.com. The identification of this vulnerability is CVE-2022-0847. Technical details are unknown but a public exploit is available.
A public exploit has been developed by Max Kellermann/BLASTY in C and been published before and not just after the advisory. The exploit is available at haxx.in. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 5.10.102, 5.15.25 or 5.16.11 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
CVSSv3VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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ExploitingClass: Privilege Escalation
Author: Max Kellermann/BLASTY
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Upgrade: Kernel 5.10.102/5.15.25/5.16.11
03/07/2022 +4 days 🔍
03/08/2022 +1 days 🔍
03/08/2022 +0 days 🔍
03/16/2022 +8 days 🔍
CVE: CVE-2022-0847 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
EntryCreated: 03/08/2022 05:52 AM
Updated: 03/16/2022 08:51 AM
Changes: 03/08/2022 05:52 AM (43), 03/08/2022 09:26 AM (6), 03/09/2022 05:14 PM (2), 03/16/2022 08:51 AM (1)
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