{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54240", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.509Z", "datePublished": "2025-12-30T12:11:29.039Z", "dateUpdated": "2026-05-11T19:58:09.830Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:58:09.830Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()\n\nrule_locs is allocated in ethtool_get_rxnfc and the size is determined by\nrule_cnt from user space. So rule_cnt needs to be check before using\nrule_locs to avoid NULL pointer dereference."}], "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": "7776591e5ae2befff86579f68916a171971c6aab", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "751b2e22a188b0c306029d094da29b6b8de31430", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "653fbddbdfc6673bba01b13dae5a4384ad8f92ec", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "75f2de75c1182e80708c932418e4895dbc88b68f", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "072324cfab9b96071c0782f51f53cc5aea1e9d5b", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "ff5faed5f5487b0fd2b640ba1304f82a5ebaab42", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "fe0195fe48f85182bc7e7eabcad925bd3cbc10f5", "status": "affected", "versionType": "git"}, {"version": "7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd", "lessThan": "e4c79810755f66c9a933ca810da2724133b1165a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mediatek/mtk_eth_soc.c"], "versions": [{"version": "4.9", "status": "affected"}, {"version": "0", "lessThan": "4.9", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.326", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.295", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.257", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.195", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.132", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.54", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.4", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "4.14.326"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "4.19.295"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.4.257"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.10.195"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "5.15.132"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.1.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.5.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7776591e5ae2befff86579f68916a171971c6aab"}, {"url": "https://git.kernel.org/stable/c/751b2e22a188b0c306029d094da29b6b8de31430"}, {"url": "https://git.kernel.org/stable/c/653fbddbdfc6673bba01b13dae5a4384ad8f92ec"}, {"url": "https://git.kernel.org/stable/c/75f2de75c1182e80708c932418e4895dbc88b68f"}, {"url": "https://git.kernel.org/stable/c/072324cfab9b96071c0782f51f53cc5aea1e9d5b"}, {"url": "https://git.kernel.org/stable/c/ff5faed5f5487b0fd2b640ba1304f82a5ebaab42"}, {"url": "https://git.kernel.org/stable/c/fe0195fe48f85182bc7e7eabcad925bd3cbc10f5"}, {"url": "https://git.kernel.org/stable/c/e4c79810755f66c9a933ca810da2724133b1165a"}], "title": "net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()\n\nrule_locs is allocated in ethtool_get_rxnfc and the size is determined by\nrule_cnt from user space. So rule_cnt needs to be check before using\nrule_locs to avoid NULL pointer dereference."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: ethernet: mtk_eth_soc: correcci\u00f3n de posible desreferencia de puntero NULL en mtk_hwlro_get_fdir_all()\n\nrule_locs se asigna en ethtool_get_rxnfc y el tama\u00f1o es determinado por rule_cnt del espacio de usuario. Por lo tanto, rule_cnt debe ser verificado antes de usar rule_locs para evitar la desreferencia de puntero NULL."}], "id": "CVE-2023-54240", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-30T13:16:12.540", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/072324cfab9b96071c0782f51f53cc5aea1e9d5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/653fbddbdfc6673bba01b13dae5a4384ad8f92ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/751b2e22a188b0c306029d094da29b6b8de31430"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75f2de75c1182e80708c932418e4895dbc88b68f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7776591e5ae2befff86579f68916a171971c6aab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e4c79810755f66c9a933ca810da2724133b1165a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe0195fe48f85182bc7e7eabcad925bd3cbc10f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff5faed5f5487b0fd2b640ba1304f82a5ebaab42"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()", "id": "2426027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426027"}, "csaw": false, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all()\nrule_locs is allocated in ethtool_get_rxnfc and the size is determined by\nrule_cnt from user space. So rule_cnt needs to be check before using\nrule_locs to avoid NULL pointer dereference."], "name": "CVE-2023-54240", "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": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54240\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54240\nhttps://lore.kernel.org/linux-cve-announce/2025123033-CVE-2023-54240-b9f8@gregkh/T"]}

{}