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Vulnerability Details : CVE-2022-1055

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Publish Date : 2022-03-29 Last Update Date : 2022-10-19
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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) Gain privileges
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:6002: kernel-rt security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20226002 unix
RHSA-2022:6003: kernel security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20226003 unix
RHSA-2022:7444: kernel-rt security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20227444 unix
RHSA-2022:7683: kernel security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20227683 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-2022-1055

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 20.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 21.10 * * * Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 22.04 * * * Version Details Vulnerabilities
6 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
7 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
8 OS Linux Linux Kernel 5.17 RC1 * * Version Details Vulnerabilities
9 OS Linux Linux Kernel 5.17 RC2 * * Version Details Vulnerabilities
10 OS Linux Linux Kernel 5.17 - * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 5
Fedoraproject Fedora 1
Linux Linux Kernel 4
Redhat Enterprise Linux 1

- References For CVE-2022-1055

https://security.netapp.com/advisory/ntap-20220506-0007/ CONFIRM
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
CONFIRM N/A
https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
CONFIRM N/A
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
CONFIRM N/A

- 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

- Metasploit Modules Related To CVE-2022-1055

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