CVE-2022-1055

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

Published Mar 29, 2022 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-24401 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
Ubuntu USN Ubuntu USN USN-5358-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5358-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5368-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5377-1 Linux kernel (BlueField) vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}