{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfilelock: Remove locks reliably when fcntl/close race is detected\n\nWhen fcntl_setlk() races with close(), it removes the created lock with\ndo_lock_file_wait().\nHowever, LSMs can allow the first do_lock_file_wait() that created the lock\nwhile denying the second do_lock_file_wait() that tries to remove the lock.\nSeparately, posix_lock_file() could also fail to\nremove a lock due to GFP_KERNEL allocation failure (when splitting a range\nin the middle).\n\nAfter the bug has been triggered, use-after-free reads will occur in\nlock_get_status() when userspace reads /proc/locks. This can likely be used\nto read arbitrary kernel memory, but can't corrupt kernel memory.\n\nFix it by calling locks_remove_posix() instead, which is designed to\nreliably get rid of POSIX locks associated with the given file and\nfiles_struct and is also used by filp_flush()."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/locks.c"
               ],
               "versions": [
                  {
                     "version": "c293621bbf67",
                     "lessThan": "d30ff3304083",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "dc2ce1dfceaa",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "5661b9c7ec18",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "52c87ab18c76",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "ef8fc41cd6f9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "5f5d0799eb0a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "b6d223942c34",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c293621bbf67",
                     "lessThan": "3cad1bc01041",
                     "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/locks.c"
               ],
               "versions": [
                  {
                     "version": "2.6.13",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.13",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.319",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.281",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.223",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.164",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.101",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.42",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.9",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250"
            },
            {
               "url": "https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235"
            },
            {
               "url": "https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240"
            },
            {
               "url": "https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22"
            },
            {
               "url": "https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3"
            },
            {
               "url": "https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763"
            },
            {
               "url": "https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224"
            },
            {
               "url": "https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9"
            }
         ],
         "title": "filelock: Remove locks reliably when fcntl/close race is detected",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-41012",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}