{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-3636","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","dateUpdated":"2026-07-28T16:51:44.501Z","dateReserved":"2022-10-21T00:00:00.000Z","datePublished":"2022-10-21T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-07-28T16:51:44.501Z"},"title":"Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"Use After Free"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Linux","product":"Kernel","versions":[{"version":"33fc42de33278b2b3ec6f3390512987bc29a62b7","status":"affected"}],"cpes":["cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*"],"modules":["Ethernet Handler"]}],"descriptions":[{"lang":"en","value":"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":[{"cvssV4_0":{"version":"4.0","baseScore":5.1,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.5,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.5,"vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.9,"vectorString":"AV:A/AC:M/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C"}}],"timeline":[{"time":"2022-10-21T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2022-10-21T00:00:00.000Z","lang":"en","value":"CVE reserved"},{"time":"2022-10-21T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-07-28T18:56:36.000Z","lang":"en","value":"VulDB entry last update"}],"references":[{"url":"https://vuldb.com/vuln/211935","name":"VDB-211935 | Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/211935/cti","name":"VDB-211935 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2022-3636","name":"CVE-2022-3636 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6","tags":["patch"]},{"url":"https://www.kernel.org/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202607"]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T01:14:03.212Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6","tags":["x_transferred"]},{"url":"https://vuldb.com/?id.211935","tags":["x_transferred"]},{"name":"DSA-5333","tags":["vendor-advisory","x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5333"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-14T17:07:51.608381Z","id":"CVE-2022-3636","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-15T13:25:07.505Z"}}]}}