CVE Tools
Sign in

CVE-2022-1055

Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

Published: Mar 29, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
7.8HIGH
NVD MITRE
EPSS Score
0.5%
Top 60.7%
CISA KEV
Not in KEV
Exploits
4 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

netapp
commercial·US
h300s firmware
Hardware Firmware
h500s firmware
Hardware Firmware
h700s firmware
Hardware Firmware
h300e firmware
Hardware Firmware
h500e firmware
Hardware Firmware
h700e firmware
Hardware Firmware
h410s firmware
Hardware Firmware
h410c firmware
Hardware Firmware
Linux
oss-projectaka the linux kernel
KernelOn-prem
Operating Systems / linux-distro
linux kernelOn-premOS
Operating Systems
redhat
commercial·USaka red hat
enterprise linuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
and 5 more affected products View all →

Exploitability

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2022-1055?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
git.kernel.org
https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
syzkaller.appspot.com
https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
kernel.dance
and 36 more references View all →
News mentions
Could not load news mentions.

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-1055 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows