{"id":"CVE-2024-46679","revision":"fd463360542f488fb85a48f1b05086d5","records":[{"revision":"fd463360542f488fb85a48f1b05086d5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-46679","aliases":[],"title":"ethtool: check device is present when getting link settings","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: check device is present when getting link settings\n\nA sysfs reader can race with a device reset or removal, attempting to\nread device state when the device is not actually present. eg:\n\n     [exception RIP: qed_get_current_link+17]\n  #8 [ffffb9e4f2907c48] qede_get_link_ksettings at ffffffffc07a994a [qede]\n  #9 [ffffb9e4f2907cd8] __rh_call_get_link_ksettings at ffffffff992b01a3\n #10 [ffffb9e4f2907d38] __ethtool_get_link_ksettings at ffffffff992b04e4\n #11 [ffffb9e4f2907d90] duplex_show at ffffffff99260300\n #12 [ffffb9e4f2907e38] dev_attr_show at ffffffff9905a01c\n #13 [ffffb9e4f2907e50] sysfs_kf_seq_show at ffffffff98e0145b\n #14 [ffffb9e4f2907e68] seq_read at ffffffff98d902e3\n #15 [ffffb9e4f2907ec8] vfs_read at ffffffff98d657d1\n #16 [ffffb9e4f2907f00] ksys_read at ffffffff98d65c3f\n #17 [ffffb9e4f2907f38] do_syscall_64 at ffffffff98a052fb\n\n crash> struct net_device.state ffff9a9d21336000\n    state = 5,\n\nstate 5 is __LINK_STATE_START (0b1) and __LINK_STATE_NOCARRIER (0b100).\nThe device is not present, note lack of __LINK_STATE_PRESENT (0b10).\n\nThis is the same sort of panic as observed in commit 4224cfd7fb65\n(\"net-sysfs: add check for netdevice being present to speed_show\").\n\nThere are many other callers of __ethtool_get_link_ksettings() which\ndon't have a device presence check.\n\nMove this check into ethtool to protect all callers.","state":0,"publishedAt":"2024-09-13T05:29:13.45+00:00","modifiedAt":"2026-10-15T00:50:14.512+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/net-sysfs.c\",\n                        \"net/ethtool/ioctl.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"ec7b4f7f644018ac293cb1b02528a40a32917e62\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"842a40c7273ba1c1cb30dda50405b328de1d860e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"7a8d98b6d6484d3ad358510366022da080c37cbc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"9bba5955eed160102114d4cc00c3d399be9bdae4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"94ab317024ba373d37340893d1c0358638935fbb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"1d6d9b5b1b95bfeccb84386a51b7e6c510ec13b2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d519e17e2d01a0ee9abe083019532061b4438065\",\n                            \"lessThan\": \"a699781c79ecf6cfe67fb00a0331b4088c7c8466\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/net-sysfs.c\",\n                        \"net/ethtool/ioctl.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.33\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.33\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.283\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.225\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.166\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.108\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.49\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.10.8\",\n                            \"lessThanOrEqual\": \"6.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.11\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ec7b4f7f644018ac293cb1b02528a40a32917e62","https://git.kernel.org/stable/c/842a40c7273ba1c1cb30dda50405b328de1d860e","https://git.kernel.org/stable/c/7a8d98b6d6484d3ad358510366022da080c37cbc","https://git.kernel.org/stable/c/9bba5955eed160102114d4cc00c3d399be9bdae4","https://git.kernel.org/stable/c/94ab317024ba373d37340893d1c0358638935fbb","https://git.kernel.org/stable/c/1d6d9b5b1b95bfeccb84386a51b7e6c510ec13b2","https://git.kernel.org/stable/c/a699781c79ecf6cfe67fb00a0331b4088c7c8466"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-46679","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-46679","identifiers":["CVE-2024-46679"]},"retained":false,"historicalAffected":[]}],"coverage":[]}