CVE-2022-3636

Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free

En bref

Sévérité: MEDIUM 5.1
EPSS: EPSS 0.36 % · centile 30 (2026-10-27)
État: PUBLISHED
Publiée: 2022-10-21
Mise à jour: 2026-07-28
Attribuée par: VulDB
Statut NVD: Modified

Description

A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc29a62b7. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. Such manipulation leads to use after free. The name of the patch is 17a5f6a78dc7b8db385de346092d7d9f9dc24df6. It is best practice to apply a patch to resolve this issue. No released Linux Kernel version was ever affected by this CVE.

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
CVSS 3.0	MEDIUM 5.5	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
CVSS 2.0	MEDIUM 4.9	AV:A/AC:M/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/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 · cna@vuldb.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	NVD · cna@vuldb.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 4.9	AV:A/AC:M/Au:S/C:P/I:P/A:P	NVD · cna@vuldb.com (Secondary)

Faiblesses (CWE)

Références européennes

ENISA EUVD · EUVD-2022-42996
GCVE · GCVE-0-2022-3636

Configurations affectées (CPE NVD)

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
Linux · Kernel	affected 33fc42de33278b2b3ec6f3390512987bc29a62b7

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD