Buffer overflow in Linux Kernel
CVE-2022-3636
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.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Linux Kernel — versions n/a, 33fc42de33278b2b3ec6f3390512987bc29a62b7
- Linux Linux_kernel
- Debian Debian_linux — versions 11.0
Weakness classification (CWE)
References
- cna@vuldb.com (Patch, Mailing List, patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Permissions Required, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (vendor-advisory, Third Party Advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2022-3636?
- CVE-2022-3636 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-10-21.
- How severe is CVE-2022-3636?
- Medium severity. CVSS v3 base score is 5.5 out of 10.