CVE-2022-3636

Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free

HIGH
7.8
CVSS Score
Published: October 21, 2022 at 12:00 AM UTC
Updated: July 28, 2026 at 06:17 PM UTC
2 products affected across 2 vendorsDebian LinuxLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211935.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

33fc42de33278b2b3ec6f3390512987bc29a62b7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

Permissions RequiredThird Party Advisory
https://vuldb.com/?id.211935
Vendor AdvisoryThird Party Advisory
https://www.debian.org/security/2023/dsa-5333
VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/211935
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/211935/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2022-3636
Product
Source: cverecord
https://www.kernel.org/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119CWE-416

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