cve/published/2023/CVE-2023-52526.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\nerofs: fix memory leak of LZMA global compressed deduplication\n\nWhen stressing microLZMA EROFS images with the new global compressed\ndeduplication feature enabled (`-Ededupe`), I found some short-lived\ntemporary pages weren't properly released, which could slowly cause\nunexpected OOMs hours later.\n\nLet's fix it now (LZ4 and DEFLATE don't have this issue.)"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/erofs/decompressor_lzma.c"
               ],
               "versions": [
                  {
                     "version": "5c2a64252c5dc4cfe78e5b2a531c118894e3d155",
                     "lessThan": "6a5a8f0a9740f865693d5aa97a42cc4504538e18",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5c2a64252c5dc4cfe78e5b2a531c118894e3d155",
                     "lessThan": "c955751cbf864cf2055117dd3fe7f780d2a57b56",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5c2a64252c5dc4cfe78e5b2a531c118894e3d155",
                     "lessThan": "75a5221630fe5aa3fedba7a06be618db0f79ba1e",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/erofs/decompressor_lzma.c"
               ],
               "versions": [
                  {
                     "version": "6.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.1",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.1.57",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.5.7",
                     "lessThanOrEqual": "6.5.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.6",
                     "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": "6.1",
                           "versionEndExcluding": "6.1.57"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.1",
                           "versionEndExcluding": "6.5.7"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.1",
                           "versionEndExcluding": "6.6"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/6a5a8f0a9740f865693d5aa97a42cc4504538e18"
            },
            {
               "url": "https://git.kernel.org/stable/c/c955751cbf864cf2055117dd3fe7f780d2a57b56"
            },
            {
               "url": "https://git.kernel.org/stable/c/75a5221630fe5aa3fedba7a06be618db0f79ba1e"
            }
         ],
         "title": "erofs: fix memory leak of LZMA global compressed deduplication",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52526",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}