{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix endless loop in directory parsing\n\nIf a directory has a block with only \".__afsXXXX\" files in it (from\nuncompleted silly-rename), these .__afsXXXX files are skipped but without\nadvancing the file position in the dir_context.  This leads to\nafs_dir_iterate() repeating the block again and again.\n\nFix this by making the code that skips the .__afsXXXX file also manually\nadvance the file position.\n\nThe symptoms are a soft lookup:\n\n        watchdog: BUG: soft lockup - CPU#3 stuck for 52s! [check:5737]\n        ...\n        RIP: 0010:afs_dir_iterate_block+0x39/0x1fd\n        ...\n         ? watchdog_timer_fn+0x1a6/0x213\n        ...\n         ? asm_sysvec_apic_timer_interrupt+0x16/0x20\n         ? afs_dir_iterate_block+0x39/0x1fd\n         afs_dir_iterate+0x10a/0x148\n         afs_readdir+0x30/0x4a\n         iterate_dir+0x93/0xd3\n         __do_sys_getdents64+0x6b/0xd4\n\nThis is almost certainly the actual fix for:\n\n        https://bugzilla.kernel.org/show_bug.cgi?id=218496"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/afs/dir.c"
               ],
               "versions": [
                  {
                     "version": "01d15b68f041",
                     "lessThan": "5c78be006ed9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "01d15b68f041",
                     "lessThan": "854ebf45a4dd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8499e2f1218e",
                     "lessThan": "96370ba395c5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "8499e2f1218e",
                     "lessThan": "b94f434fe977",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "21a2115e0ca0",
                     "lessThan": "80b15346492b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "21a2115e0ca0",
                     "lessThan": "a6ffae61ad9e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ab49164c6080",
                     "lessThan": "058ed71e0f7a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ab49164c6080",
                     "lessThan": "76426abf9b98",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a53411e805e0",
                     "lessThan": "f67898867b6b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a53411e805e0",
                     "lessThan": "106e14ca55a0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fa70c6954aab",
                     "lessThan": "fe02316e4933",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fa70c6954aab",
                     "lessThan": "9c41f4935625",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "57e9d49c5452",
                     "lessThan": "5f7a07646655",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "57e9d49c5452",
                     "lessThan": "2afdd0cb0232",
                     "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/afs/dir.c"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.271",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.273",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.212",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.214",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.151",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.153",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.81",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.83",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.21",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.9",
                     "lessThanOrEqual": "6.7.*",
                     "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"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/5c78be006ed9cb735ac2abf4fd64f3f4ea26da31"
            },
            {
               "url": "https://git.kernel.org/stable/c/854ebf45a4ddd4cadeffb6644e88d19020634e1a"
            },
            {
               "url": "https://git.kernel.org/stable/c/96370ba395c572ef496fd2c7afc4a1ab3dedd3f0"
            },
            {
               "url": "https://git.kernel.org/stable/c/b94f434fe977689da4291dc21717790b9bd1c064"
            },
            {
               "url": "https://git.kernel.org/stable/c/80b15346492bdba677bbb0adefc611910e505f7b"
            },
            {
               "url": "https://git.kernel.org/stable/c/a6ffae61ad9ebf2fdcb943135b2f30c85f49cd27"
            },
            {
               "url": "https://git.kernel.org/stable/c/058ed71e0f7aa3b6694ca357e23d084e5d3f2470"
            },
            {
               "url": "https://git.kernel.org/stable/c/76426abf9b980b46983f97de8e5b25047b4c9863"
            },
            {
               "url": "https://git.kernel.org/stable/c/f67898867b6b0f4542cddc7fe57997978b948a7a"
            },
            {
               "url": "https://git.kernel.org/stable/c/106e14ca55a0acb3236ee98813a1d243f8aa2d05"
            },
            {
               "url": "https://git.kernel.org/stable/c/fe02316e4933befc621fa125efb8f8b4d04cceec"
            },
            {
               "url": "https://git.kernel.org/stable/c/9c41f4935625218a2053a2dce1423c3054169809"
            },
            {
               "url": "https://git.kernel.org/stable/c/5f7a07646655fb4108da527565dcdc80124b14c4"
            },
            {
               "url": "https://git.kernel.org/stable/c/2afdd0cb02329464d77f3ec59468395c791a51a4"
            }
         ],
         "title": "afs: Fix endless loop in directory parsing",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26848",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}