CVE-2022-1055
HIGHLinux Kernel 5.1-5.17 - Use-After-Free in tc_new_tfilter
Title source: llmDescription
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
References (5)
Core 5
Core References
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Exploit, Patch, Third Party Advisory x_refsource_misc
https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
Exploit, Patch, Third Party Advisory x_refsource_misc
https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220506-0007/
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
Scores
CVSS v3
7.8
EPSS
0.0002
EPSS Percentile
6.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (17)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
canonical/ubuntu_linux
21.10
canonical/ubuntu_linux
22.04
fedoraproject/fedora
35
linux/linux_kernel
5.17 (3 CPE variants)
linux/linux_kernel
5.1 - 5.17
netapp/h300e_firmware
netapp/h300s_firmware
... and 7 more
Published
Mar 29, 2022
Tracked Since
Feb 18, 2026