CVE-2023-52848 (GCVE-0-2023-52848)
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2024-12-19 08:27
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop meta_inode's page cache in f2fs_put_super() syzbot reports a kernel bug as below: F2FS-fs (loop1): detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID: 15451 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-09338-ge0152e7481c6 #0 RIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639 Call Trace: generic_shutdown_super+0x161/0x3c0 fs/super.c:693 kill_block_super+0x3b/0x70 fs/super.c:1646 kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde/0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd In f2fs_put_super(), it tries to do sanity check on dirty and IO reference count of f2fs, once there is any reference count leak, it will trigger panic. The root case is, during f2fs_put_super(), if there is any IO error in f2fs_wait_on_all_pages(), we missed to truncate meta_inode's page cache later, result in panic, fix this case.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fadPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fadPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192Patch
Impacted products
Vendor Product Version
Linux Linux Version: 20872584b8c0b006c007da9588a272c9e28d2e18
Version: 20872584b8c0b006c007da9588a272c9e28d2e18
Version: 20872584b8c0b006c007da9588a272c9e28d2e18
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   Linux Linux Version: 6.5
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      datePublished: "2024-05-21T15:31:45.196Z",
      dateReserved: "2024-05-21T15:19:24.255Z",
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         descriptions: "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to drop meta_inode's page cache in f2fs_put_super()\\n\\nsyzbot reports a kernel bug as below:\\n\\nF2FS-fs (loop1): detect filesystem reference count leak during umount, type: 10, count: 1\\nkernel BUG at fs/f2fs/super.c:1639!\\nCPU: 0 PID: 15451 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-09338-ge0152e7481c6 #0\\nRIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639\\nCall Trace:\\n generic_shutdown_super+0x161/0x3c0 fs/super.c:693\\n kill_block_super+0x3b/0x70 fs/super.c:1646\\n kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879\\n deactivate_locked_super+0x9a/0x170 fs/super.c:481\\n deactivate_super+0xde/0x100 fs/super.c:514\\n cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254\\n task_work_run+0x14d/0x240 kernel/task_work.c:179\\n resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]\\n exit_to_user_mode_loop kernel/entry/common.c:171 [inline]\\n exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204\\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\\n syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296\\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nIn f2fs_put_super(), it tries to do sanity check on dirty and IO\\nreference count of f2fs, once there is any reference count leak,\\nit will trigger panic.\\n\\nThe root case is, during f2fs_put_super(), if there is any IO error\\nin f2fs_wait_on_all_pages(), we missed to truncate meta_inode's page\\ncache later, result in panic, fix this case.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: f2fs: correcci\\u00f3n para eliminar el cach\\u00e9 de la p\\u00e1gina de meta_inode en f2fs_put_super() syzbot informa un error en el kernel como se muestra a continuaci\\u00f3n: F2FS-fs (loop1): detecta p\\u00e9rdida del recuento de referencias del sistema de archivos durante el desmontaje, escriba: 10 , recuento: \\u00a11 BUG del kernel en fs/f2fs/super.c:1639! CPU: 0 PID: 15451 Comm: syz-executor.1 No contaminado 6.5.0-syzkaller-09338-ge0152e7481c6 #0 RIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639 Seguimiento de llamadas: generic_shutdown_super+0x161 /0x3c0 fs/super.c:693 kill_block_super+0x3b/0x70 fs/super.c:1646 kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde /0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [en l\\u00ednea] exit_to_user_mode_loop kernel/entry /common.c:171 [en l\\u00ednea] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [en l\\u00ednea] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 Entry_SYSCALL_64_after_hwframe+0x63/0xcd En f2fs_put_super(), intenta realizar una verificaci\\u00f3n de cordura en el recuento de referencias sucias y de IO de f2fs, una vez que hay alguna fuga en el recuento de referencias, provocar\\u00e1 p\\u00e1nico. El caso ra\\u00edz es que, durante f2fs_put_super(), si hay alg\\u00fan error de IO en f2fs_wait_on_all_pages(), no pudimos truncar el cach\\u00e9 de la p\\u00e1gina de meta_inode m\\u00e1s tarde, lo que gener\\u00f3 p\\u00e1nico, solucionemos este caso.\"}]",
         id: "CVE-2023-52848",
         lastModified: "2024-12-31T20:02:14.890",
         metrics: "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
         published: "2024-05-21T16:15:21.947",
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      nvd: "{\"cve\":{\"id\":\"CVE-2023-52848\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T16:15:21.947\",\"lastModified\":\"2024-12-31T20:02:14.890\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to drop meta_inode's page cache in f2fs_put_super()\\n\\nsyzbot reports a kernel bug as below:\\n\\nF2FS-fs (loop1): detect filesystem reference count leak during umount, type: 10, count: 1\\nkernel BUG at fs/f2fs/super.c:1639!\\nCPU: 0 PID: 15451 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-09338-ge0152e7481c6 #0\\nRIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639\\nCall Trace:\\n generic_shutdown_super+0x161/0x3c0 fs/super.c:693\\n kill_block_super+0x3b/0x70 fs/super.c:1646\\n kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879\\n deactivate_locked_super+0x9a/0x170 fs/super.c:481\\n deactivate_super+0xde/0x100 fs/super.c:514\\n cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254\\n task_work_run+0x14d/0x240 kernel/task_work.c:179\\n resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]\\n exit_to_user_mode_loop kernel/entry/common.c:171 [inline]\\n exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204\\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\\n syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296\\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nIn f2fs_put_super(), it tries to do sanity check on dirty and IO\\nreference count of f2fs, once there is any reference count leak,\\nit will trigger panic.\\n\\nThe root case is, during f2fs_put_super(), if there is any IO error\\nin f2fs_wait_on_all_pages(), we missed to truncate meta_inode's page\\ncache later, result in panic, fix this case.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: f2fs: corrección para eliminar el caché de la página de meta_inode en f2fs_put_super() syzbot informa un error en el kernel como se muestra a continuación: F2FS-fs (loop1): detecta pérdida del recuento de referencias del sistema de archivos durante el desmontaje, escriba: 10 , recuento: ¡1 BUG del kernel en fs/f2fs/super.c:1639! CPU: 0 PID: 15451 Comm: syz-executor.1 No contaminado 6.5.0-syzkaller-09338-ge0152e7481c6 #0 RIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639 Seguimiento de llamadas: generic_shutdown_super+0x161 /0x3c0 fs/super.c:693 kill_block_super+0x3b/0x70 fs/super.c:1646 kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde /0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [en línea] exit_to_user_mode_loop kernel/entry /common.c:171 [en línea] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [en línea] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 Entry_SYSCALL_64_after_hwframe+0x63/0xcd En f2fs_put_super(), intenta realizar una verificación de cordura en el recuento de referencias sucias y de IO de f2fs, una vez que hay alguna fuga en el recuento de referencias, provocará pánico. El caso raíz es que, durante f2fs_put_super(), si hay algún error de IO en f2fs_wait_on_all_pages(), no pudimos truncar el caché de la página de meta_inode más tarde, lo que generó pánico, solucionemos este caso.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.16\",\"versionEndExcluding\":\"6.5.12\",\"matchCriteriaId\":\"87C16A4D-F50C-48AD-A389-36C557A9EEC7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.2\",\"matchCriteriaId\":\"4CBFF885-A4D3-4F21-B6FD-4D770034C048\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fad\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fad\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:11:35.923Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-52848\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-21T17:54:45.651350Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:25.357Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"f2fs: fix to drop meta_inode's page cache in f2fs_put_super()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"20872584b8c0\", \"lessThan\": \"eb42e1862aa7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"20872584b8c0\", \"lessThan\": \"10b2a6c0dade\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"20872584b8c0\", \"lessThan\": \"a4639380bbe6\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/f2fs/super.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.5\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"6.5.12\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.2\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/f2fs/super.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/eb42e1862aa7934c2c21890097ce4993c5e0d192\"}, {\"url\": \"https://git.kernel.org/stable/c/10b2a6c0dade67b5a2b2d17fb75c457ea1985fad\"}, {\"url\": \"https://git.kernel.org/stable/c/a4639380bbe66172df329f8b54aa7d2e943f0f64\"}], \"x_generator\": {\"engine\": \"bippy-a5840b7849dd\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to drop meta_inode's page cache in f2fs_put_super()\\n\\nsyzbot reports a kernel bug as below:\\n\\nF2FS-fs (loop1): detect filesystem reference count leak during umount, type: 10, count: 1\\nkernel BUG at fs/f2fs/super.c:1639!\\nCPU: 0 PID: 15451 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-09338-ge0152e7481c6 #0\\nRIP: 0010:f2fs_put_super+0xce1/0xed0 fs/f2fs/super.c:1639\\nCall Trace:\\n generic_shutdown_super+0x161/0x3c0 fs/super.c:693\\n kill_block_super+0x3b/0x70 fs/super.c:1646\\n kill_f2fs_super+0x2b7/0x3d0 fs/f2fs/super.c:4879\\n deactivate_locked_super+0x9a/0x170 fs/super.c:481\\n deactivate_super+0xde/0x100 fs/super.c:514\\n cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254\\n task_work_run+0x14d/0x240 kernel/task_work.c:179\\n resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]\\n exit_to_user_mode_loop kernel/entry/common.c:171 [inline]\\n exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204\\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\\n syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296\\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nIn f2fs_put_super(), it tries to do sanity check on dirty and IO\\nreference count of f2fs, once there is any reference count leak,\\nit will trigger panic.\\n\\nThe root case is, during f2fs_put_super(), if there is any IO error\\nin f2fs_wait_on_all_pages(), we missed to truncate meta_inode's page\\ncache later, result in panic, fix this case.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-29T05:18:23.986Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2023-52848\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T23:11:35.923Z\", \"dateReserved\": \"2024-05-21T15:19:24.255Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:31:45.196Z\", \"assignerShortName\": \"Linux\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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