Vulnerability Details : CVE-2022-3636

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.

Vulnerability category: OverflowMemory Corruption

Published 2022-10-21 11:15:10

Updated 2023-02-23 16:07:50

Source VulDB

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-3636

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-3636

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.5	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	2.1	3.4	cna@vuldb.com
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	nvd@nist.gov
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-3636

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

Assigned by: cna@vuldb.com (Primary)
CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
Assigned by:
- cna@vuldb.com (Primary)
- nvd@nist.gov (Secondary)

References for CVE-2022-3636

https://vuldb.com/?id.211935

CVE-2022-3636 | Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free
Permissions Required;Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6

kernel/git/pabeni/net-next.git - pabeni net-next tree
Mailing List;Patch;Vendor Advisory
https://www.debian.org/security/2023/dsa-5333

Debian -- Security Information -- DSA-5333-1 tiff
Third Party Advisory

CVEs referencing this url

Products affected by CVE-2022-3636

Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: N/A
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Matching versions