cve/published/2024/CVE-2024-43838.json

{
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         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
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         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: fix overflow check in adjust_jmp_off()\n\nadjust_jmp_off() incorrectly used the insn->imm field for all overflow check,\nwhich is incorrect as that should only be done or the BPF_JMP32 | BPF_JA case,\nnot the general jump instruction case. Fix it by using insn->off for overflow\ncheck in the general case."
            }
         ],
         "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"
               ],
               "versions": [
                  {
                     "version": "5337ac4c9b807bc46baa0713121a0afa8beacd70",
                     "lessThan": "345652866a8869825a2a582ee5a28d75141f184a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5337ac4c9b807bc46baa0713121a0afa8beacd70",
                     "lessThan": "4a04b4f0de59dd5c621e78f15803ee0b0544eeb8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e47a1a791d32bd6c8f71d23c84294f2c053553a1",
                     "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"
               ],
               "versions": [
                  {
                     "version": "6.10",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.10",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.10.3",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.11",
                     "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": "6.10",
                           "versionEndExcluding": "6.10.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.10",
                           "versionEndExcluding": "6.11"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.9.8"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/345652866a8869825a2a582ee5a28d75141f184a"
            },
            {
               "url": "https://git.kernel.org/stable/c/4a04b4f0de59dd5c621e78f15803ee0b0544eeb8"
            }
         ],
         "title": "bpf: fix overflow check in adjust_jmp_off()",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-43838",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
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