CVE-2022-1055
Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel
En bref Sévérité HIGH 8.6 EPSS EPSS 0.50 % · centile 43 (2026-10-27) État PUBLISHED Publiée 2022-03-29 Mise à jour 2026-07-29 Attribuée par Google Statut NVD Analyzed
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
Scores Version Score Vecteur Évalué par CVSS 4.0 HIGH 8.6 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N Google CVSS 4.0 HIGH 8.6 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X NVD · cve-coordination@google.com (Secondary) CVSS 3.1 HIGH 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P NVD · nvd@nist.gov (Primary)
Faiblesses (CWE)
Références européennes
Avis du CERT-FR
Configurations affectées (CPE NVD) cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.1 < 5.4.177cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.5 < 5.10.97cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.11 < 5.15.20cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.16 < 5.16.6cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
Produits affectés Produit Versions Linux · Kernel affected 5.1.0 < 5.4.177 ; affected 5.5.0 < 5.10.97 ; affected 5.11.0 < 5.15.20 ; affected 5.16.0 < 5.16.6 ; unaffected 5.17.0 ; unaffected 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Références
Sources