Is there a patch available for CVE-2022-3636?

Yes, a patch is available for CVE-2022-3636. Update the affected software to the latest version immediately.

Debian Linux CVE-2022-3636

Q: What is the CVSS score of CVE-2022-3636?

CVE-2022-3636 has a CVSS 4.0 base score of 5.1 (Medium). CVSS vector: 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. EPSS exploitation probability: 0.3%.

MEDIUM

Buffer Overflow (CWE-119)

2022-10-21 cna@vuldb.com

Buffer Overflow Denial Of Service Linux Debian Mediatek Debian Linux

5.1

CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY

5.1 MEDIUM

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

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Jul 28, 2026 - 18:22 NVD

HIGH MEDIUM

CVSS changed

Jul 28, 2026 - 18:22 NVD

7.8 (HIGH) 5.1 (MEDIUM)

CVE Published

Oct 21, 2022 - 11:15 nvd

HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

A vulnerability, which was classified as critical, was found in Linux Kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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 products include: Linux Linux Kernel, Debian Debian Linux.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.