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CVE-2022-3636 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6	CVE	Mailing ListPatchVendor Advisory
https://vuldb.com/?id.211935	CVE	Permissions RequiredThird Party Advisory
https://www.debian.org/security/2023/dsa-5333	CVE	Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6	[email protected]	Mailing ListPatchVendor Advisory
https://vuldb.com/cve/CVE-2022-3636	[email protected]
https://vuldb.com/vuln/211935	[email protected]
https://vuldb.com/vuln/211935/cti	[email protected]
https://www.kernel.org/	[email protected]

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-416	Use After Free	[email protected]
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
linux linux kernel	All versions
CPE cpe:2.3:o:linux:linux_kernel:-:::::::* Remediation No remediation found in references.
debian debian linux	11.0
CPE cpe:2.3:o:debian:debian_linux:11.0:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jul 28, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Feb 23, 2023	Modified Analysis	[email protected]
Jan 30, 2023	CVE Modified	[email protected]
Oct 24, 2022	Initial Analysis	[email protected]