CVE-2022-49368

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"value": "AV:L - Reachable only via local SIOCETHTOOL/ethtool_get_rxnfc (ETHTOOL_GRXCLSRULE) on a MediaTek mtk_eth_soc interface; not triggered by remote packets or network protocols.\nAC:L - Attacker fully controls fsp->location and can reliably trigger the OOB read with a single crafted ethtool ioctl; no race or attacker-uncontrollable condition is required.\nPR:L - ETHTOOL_GRXCLSRULE is explicitly exempt from CAP_NET_ADMIN in __dev_ethtool, so any unprivileged local user who can open a socket and see the interface can invoke the path.\nUI:N - No victim interaction is required; the attacker issues the ioctl directly.\nS:U - Impact is confined to the local kernel (info leak and/or oops); it does not cross VM, IOMMU, or other security-authority boundaries.\nC:H - Attacker-controlled u32 index yields an unbounded out-of-bounds read of kernel memory that is copied back to userspace as ip4dst, enabling arbitrary relative kernel memory disclosure (not a few fixed bytes).\nI:N - The defect is a pure out-of-bounds read with no write primitive or memory corruption that could modify kernel state or hijack control flow.\nA:H - A sufficiently large location reads unmapped memory and can cause a kernel oops/panic, fully disrupting availability on the device."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mediatek/mtk_eth_soc.c"], "versions": [{"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "b4f0e57ea0d867aacffad7999527e48bd4ea9293", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "5ba81f82607ead85fe36f50869fc4f5661359ab8", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "657e7174603f0aab2cdedc64ac81edffd2a87afe", "status": "affected", "versionType": "git"}, {"version": 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mtk_hwlro_get_fdir_entry()\n\nThe \"fsp->location\" variable comes from user via ethtool_get_rxnfc().\nCheck that it is valid to prevent an out of bounds read."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: mtk_eth_soc: lectura fuera de los l\u00edmites en mtk_hwlro_get_fdir_entry() La variable \"fsp->location\" proviene del usuario a trav\u00e9s de ethtool_get_rxnfc(). Verifique que sea v\u00e1lida para evitar una lectura fuera de los l\u00edmites."}], "id": "CVE-2022-49368", "lastModified": "2026-06-17T05:17:50.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49368", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:42:28.090960Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:01:13.483", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0b238f75b65ed4462ef4cdfa718cac0ac7fce3b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2bd1faedb74dc2a2be3972abcd4239b75a3e7b00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4cde554c70d7397cfa2e4116bacb4accdfb6fd48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ba81f82607ead85fe36f50869fc4f5661359ab8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/657e7174603f0aab2cdedc64ac81edffd2a87afe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/71ae30662ec610b92644d13f79c78f76f17873b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b24ca1cf846273361d5bd73a35de95a486a54b6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4f0e57ea0d867aacffad7999527e48bd4ea9293"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7e7104e2d5ddf3806a28695670f21bef471f1e1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: net: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry()", "id": "2348334", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348334"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ethernet: mtk_eth_soc: out of bounds read in mtk_hwlro_get_fdir_entry()\nThe \"fsp->location\" variable comes from user via ethtool_get_rxnfc().\nCheck that it is valid to prevent an out of bounds read."], "name": "CVE-2022-49368", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49368\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49368\nhttps://lore.kernel.org/linux-cve-announce/2025022645-CVE-2022-49368-d1d6@gregkh/T"], "threat_severity": "Important"}

{}