1. Home
  2. CVE Database
  3. CVE-2022-1055
HIGH · 7.8

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 ...

Vulnerability 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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
LinuxLinux Kernel>= 5.1, < 5.17
RedhatEnterprise Linux8.0
FedoraprojectFedora35
CanonicalUbuntu Linux16.04
NetappH300S Firmware-
NetappH300S-
NetappH500S Firmware-
NetappH500S-
NetappH700S Firmware-
NetappH700S-
NetappH300E Firmware-
NetappH300E-
NetappH500E Firmware-
NetappH500E-
NetappH700E Firmware-
NetappH700E-
NetappH410S Firmware-
NetappH410S-
NetappH410C Firmware-
NetappH410C-

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2022-1055?

CVE-2022-1055 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...

How severe is CVE-2022-1055?

CVE-2022-1055 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-1055?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Fedoraproject Fedora, Canonical Ubuntu Linux, Netapp H300S Firmware.