{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "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."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/core/net-sysfs.c",
                  "net/ethtool/ioctl.c"
               ],
               "versions": [
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "ec7b4f7f6440",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "842a40c7273b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "7a8d98b6d648",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "9bba5955eed1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "94ab317024ba",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "1d6d9b5b1b95",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d519e17e2d01",
                     "lessThan": "a699781c79ec",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/core/net-sysfs.c",
                  "net/ethtool/ioctl.c"
               ],
               "versions": [
                  {
                     "version": "2.6.33",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.33",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.283",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.225",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.166",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.108",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.49",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10.8",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/ec7b4f7f644018ac293cb1b02528a40a32917e62"
            },
            {
               "url": "https://git.kernel.org/stable/c/842a40c7273ba1c1cb30dda50405b328de1d860e"
            },
            {
               "url": "https://git.kernel.org/stable/c/7a8d98b6d6484d3ad358510366022da080c37cbc"
            },
            {
               "url": "https://git.kernel.org/stable/c/9bba5955eed160102114d4cc00c3d399be9bdae4"
            },
            {
               "url": "https://git.kernel.org/stable/c/94ab317024ba373d37340893d1c0358638935fbb"
            },
            {
               "url": "https://git.kernel.org/stable/c/1d6d9b5b1b95bfeccb84386a51b7e6c510ec13b2"
            },
            {
               "url": "https://git.kernel.org/stable/c/a699781c79ecf6cfe67fb00a0331b4088c7c8466"
            }
         ],
         "title": "ethtool: check device is present when getting link settings",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-46679",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}