{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Use OPTS_SET() macro in bpf_xdp_query()\n\nWhen the feature_flags and xdp_zc_max_segs fields were added to the libbpf\nbpf_xdp_query_opts, the code writing them did not use the OPTS_SET() macro.\nThis causes libbpf to write to those fields unconditionally, which means\nthat programs compiled against an older version of libbpf (with a smaller\nsize of the bpf_xdp_query_opts struct) will have its stack corrupted by\nlibbpf writing out of bounds.\n\nThe patch adding the feature_flags field has an early bail out if the\nfeature_flags field is not part of the opts struct (via the OPTS_HAS)\nmacro, but the patch adding xdp_zc_max_segs does not. For consistency, this\nfix just changes the assignments to both fields to use the OPTS_SET()\nmacro."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "tools/lib/bpf/netlink.c"
               ],
               "versions": [
                  {
                     "version": "13ce2daa259a",
                     "lessThan": "fa5bef5e80c6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "13ce2daa259a",
                     "lessThan": "682ddd62abd4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "13ce2daa259a",
                     "lessThan": "cd3be9843247",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "13ce2daa259a",
                     "lessThan": "92a871ab9fa5",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "tools/lib/bpf/netlink.c"
               ],
               "versions": [
                  {
                     "version": "6.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.6",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.11",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/fa5bef5e80c6a3321b2b1a7070436f3bc5daf07c"
            },
            {
               "url": "https://git.kernel.org/stable/c/682ddd62abd4bdcee7584246903e7a2df005fe0d"
            },
            {
               "url": "https://git.kernel.org/stable/c/cd3be9843247edb8fc6fcd8d8237cbce2bc19f5e"
            },
            {
               "url": "https://git.kernel.org/stable/c/92a871ab9fa59a74d013bc04f321026a057618e7"
            }
         ],
         "title": "libbpf: Use OPTS_SET() macro in bpf_xdp_query()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-27050",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}