cve/published/2024/CVE-2024-38566.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix verifier assumptions about socket->sk\n\nThe verifier assumes that 'sk' field in 'struct socket' is valid\nand non-NULL when 'socket' pointer itself is trusted and non-NULL.\nThat may not be the case when socket was just created and\npassed to LSM socket_accept hook.\nFix this verifier assumption and adjust tests."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/bpf/verifier.c",
                  "tools/testing/selftests/bpf/progs/bench_local_storage_create.c",
                  "tools/testing/selftests/bpf/progs/local_storage.c",
                  "tools/testing/selftests/bpf/progs/lsm_cgroup.c"
               ],
               "versions": [
                  {
                     "version": "6fcd486b3a0a628c41f12b3a7329a18a2c74b351",
                     "lessThan": "39f8a29330f433000e716eefc4b9abda05b71a82",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6fcd486b3a0a628c41f12b3a7329a18a2c74b351",
                     "lessThan": "6f5ae91172a93abac9720ba94edf3ec8f4d7f24f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6fcd486b3a0a628c41f12b3a7329a18a2c74b351",
                     "lessThan": "c58ccdd2483a1d990748cdaf94206b5d5986a001",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6fcd486b3a0a628c41f12b3a7329a18a2c74b351",
                     "lessThan": "0db63c0b86e981a1e97d2596d64ceceba1a5470e",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/bpf/verifier.c",
                  "tools/testing/selftests/bpf/progs/bench_local_storage_create.c",
                  "tools/testing/selftests/bpf/progs/local_storage.c",
                  "tools/testing/selftests/bpf/progs/lsm_cgroup.c"
               ],
               "versions": [
                  {
                     "version": "6.4",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.4",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.6.33",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.8.12",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.9.3",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.10",
                     "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": "6.4",
                           "versionEndExcluding": "6.6.33"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.8.12"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.9.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.4",
                           "versionEndExcluding": "6.10"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/39f8a29330f433000e716eefc4b9abda05b71a82"
            },
            {
               "url": "https://git.kernel.org/stable/c/6f5ae91172a93abac9720ba94edf3ec8f4d7f24f"
            },
            {
               "url": "https://git.kernel.org/stable/c/c58ccdd2483a1d990748cdaf94206b5d5986a001"
            },
            {
               "url": "https://git.kernel.org/stable/c/0db63c0b86e981a1e97d2596d64ceceba1a5470e"
            }
         ],
         "title": "bpf: Fix verifier assumptions about socket->sk",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-38566",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}