CVE-2022-49444 (GCVE-0-2022-49444)
Vulnerability from cvelistv5
Published
2025-02-26 02:12
Modified
2025-05-04 12:44
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: module: fix [e_shstrndx].sh_size=0 OOB access It is trivial to craft a module to trigger OOB access in this line: if (info->secstrings[strhdr->sh_size - 1] != '\0') { BUG: unable to handle page fault for address: ffffc90000aa0fff PGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014 RIP: 0010:load_module+0x19b/0x2391 [rebased patch onto modules-next]
References
https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec
https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858
https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0
https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c
Impacted products
Vendor Product Version
Linux Linux Version: ec2a29593c83ed71a7f16e3243941ebfcf75fdf6
Version: ec2a29593c83ed71a7f16e3243941ebfcf75fdf6
Version: ec2a29593c83ed71a7f16e3243941ebfcf75fdf6
Version: ec2a29593c83ed71a7f16e3243941ebfcf75fdf6
Version: 05d891e76dde3e430c707dae7d85139794eeadbd
Version: d802672c7f00963613f289579073ac519f0d306c
Version: 214aa69cac91a723239118bbbfe77d5654ddff6b
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   Linux Linux Version: 5.12
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/module/main.c"
          ],
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            },
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            },
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              "status": "affected",
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            },
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          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "5.12"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.54",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17.14",
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                  "vulnerable": true
                },
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                  "vulnerable": true
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                  "vulnerable": true
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmodule: fix [e_shstrndx].sh_size=0 OOB access\n\nIt is trivial to craft a module to trigger OOB access in this line:\n\n\tif (info-\u003esecstrings[strhdr-\u003esh_size - 1] != \u0027\\0\u0027) {\n\nBUG: unable to handle page fault for address: ffffc90000aa0fff\nPGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014\nRIP: 0010:load_module+0x19b/0x2391\n\n[rebased patch onto modules-next]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T12:44:49.062Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec"
        },
        {
          "url": "https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858"
        },
        {
          "url": "https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0"
        },
        {
          "url": "https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c"
        }
      ],
      "title": "module: fix [e_shstrndx].sh_size=0 OOB access",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49444",
    "datePublished": "2025-02-26T02:12:56.606Z",
    "dateReserved": "2025-02-26T02:08:31.571Z",
    "dateUpdated": "2025-05-04T12:44:49.062Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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