{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix potential kernel bug due to lack of writeback flag waiting\n\nDestructive writes to a block device on which nilfs2 is mounted can cause\na kernel bug in the folio/page writeback start routine or writeback end\nroutine (__folio_start_writeback in the log below):\n\n kernel BUG at mm/page-writeback.c:3070!\n Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\n ...\n RIP: 0010:__folio_start_writeback+0xbaa/0x10e0\n Code: 25 ff 0f 00 00 0f 84 18 01 00 00 e8 40 ca c6 ff e9 17 f6 ff ff\n  e8 36 ca c6 ff 4c 89 f7 48 c7 c6 80 c0 12 84 e8 e7 b3 0f 00 90 <0f>\n  0b e8 1f ca c6 ff 4c 89 f7 48 c7 c6 a0 c6 12 84 e8 d0 b3 0f 00\n ...\n Call Trace:\n  <TASK>\n  nilfs_segctor_do_construct+0x4654/0x69d0 [nilfs2]\n  nilfs_segctor_construct+0x181/0x6b0 [nilfs2]\n  nilfs_segctor_thread+0x548/0x11c0 [nilfs2]\n  kthread+0x2f0/0x390\n  ret_from_fork+0x4b/0x80\n  ret_from_fork_asm+0x1a/0x30\n  </TASK>\n\nThis is because when the log writer starts a writeback for segment summary\nblocks or a super root block that use the backing device's page cache, it\ndoes not wait for the ongoing folio/page writeback, resulting in an\ninconsistent writeback state.\n\nFix this issue by waiting for ongoing writebacks when putting\nfolios/pages on the backing device into writeback state."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/nilfs2/segment.c"
               ],
               "versions": [
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "95f6f81e50d8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "a75b8f493dfc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "0ecfe3a92869",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "33900d7eae61",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "271dcd977ccd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "614d397be0cf",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "1f3bff69f121",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9ff05123e3bf",
                     "lessThan": "a4ca369ca221",
                     "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/nilfs2/segment.c"
               ],
               "versions": [
                  {
                     "version": "2.6.30",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.30",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.317",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.279",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.221",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.162",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.95",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.35",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.5",
                     "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/95f6f81e50d858a7c9aa7c795ec14a0ac3819118"
            },
            {
               "url": "https://git.kernel.org/stable/c/a75b8f493dfc48aa38c518430bd9e03b53bffebe"
            },
            {
               "url": "https://git.kernel.org/stable/c/0ecfe3a92869a59668d27228dabbd7965e83567f"
            },
            {
               "url": "https://git.kernel.org/stable/c/33900d7eae616647e179eee1c66ebe654ee39627"
            },
            {
               "url": "https://git.kernel.org/stable/c/271dcd977ccda8c7a26e360425ae7b4db7d2ecc0"
            },
            {
               "url": "https://git.kernel.org/stable/c/614d397be0cf43412b3f94a0f6460eddced8ce92"
            },
            {
               "url": "https://git.kernel.org/stable/c/1f3bff69f1214fe03a02bc650d5bbfaa6e65ae7d"
            },
            {
               "url": "https://git.kernel.org/stable/c/a4ca369ca221bb7e06c725792ac107f0e48e82e7"
            }
         ],
         "title": "nilfs2: fix potential kernel bug due to lack of writeback flag waiting",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-37078",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}