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Vulnerability Details : CVE-2022-0847

A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.
Publish Date : 2022-03-10 Last Update Date : 2022-12-09
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 665

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:0819: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20220819 unix
RHSA-2022:0825: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20220825 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2022-0847

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
3 Application Ovirt Ovirt-engine 4.4.10.2 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Eus 8.2 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Eus 8.4 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux For Ibm Z Systems 8.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux For Ibm Z Systems Eus 8.2 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux For Ibm Z Systems Eus 8.4 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux For Power Little Endian 8.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux For Power Little Endian Eus 8.2 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux For Power Little Endian Eus 8.4 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux For Real Time 8 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux For Real Time For Nfv 8 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux For Real Time For Nfv Tus 8.2 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux For Real Time For Nfv Tus 8.4 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux For Real Time Tus 8.2 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux For Real Time Tus 8.4 * * * Version Details Vulnerabilities
19 OS Redhat Enterprise Linux Server Aus 8.2 * * * Version Details Vulnerabilities
20 OS Redhat Enterprise Linux Server Aus 8.4 * * * Version Details Vulnerabilities
21 OS Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.1 * * * Version Details Vulnerabilities
22 OS Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.2 * * * Version Details Vulnerabilities
23 OS Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.4 * * * Version Details Vulnerabilities
24 OS Redhat Enterprise Linux Server Tus 8.2 * * * Version Details Vulnerabilities
25 OS Redhat Enterprise Linux Server Tus 8.4 * * * Version Details Vulnerabilities
26 OS Redhat Enterprise Linux Server Update Services For Sap Solutions 8.1 * * * Version Details Vulnerabilities
27 OS Redhat Enterprise Linux Server Update Services For Sap Solutions 8.2 * * * Version Details Vulnerabilities
28 OS Redhat Enterprise Linux Server Update Services For Sap Solutions 8.4 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 1
Linux Linux Kernel 1
Ovirt Ovirt-engine 1
Redhat Enterprise Linux 1
Redhat Enterprise Linux Eus 2
Redhat Enterprise Linux For Ibm Z Systems 1
Redhat Enterprise Linux For Ibm Z Systems Eus 2
Redhat Enterprise Linux For Power Little Endian 1
Redhat Enterprise Linux For Power Little Endian Eus 2
Redhat Enterprise Linux For Real Time 1
Redhat Enterprise Linux For Real Time For Nfv 1
Redhat Enterprise Linux For Real Time For Nfv Tus 2
Redhat Enterprise Linux For Real Time Tus 2
Redhat Enterprise Linux Server Aus 2
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 3
Redhat Enterprise Linux Server Tus 2
Redhat Enterprise Linux Server Update Services For Sap Solutions 3

- References For CVE-2022-0847

http://packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf CONFIRM
https://security.netapp.com/advisory/ntap-20220325-0005/ CONFIRM
https://dirtypipe.cm4all.com/
http://packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Escalation.html
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015 CONFIRM
https://www.suse.com/support/kb/doc/?id=000020603
https://bugzilla.redhat.com/show_bug.cgi?id=2060795
http://packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2022-0847

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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