CVE-2022-49277 (GCVE-0-2022-49277)
Vulnerability from cvelistv5
Published
2025-02-26 01:56
Modified
2025-05-04 08:34
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_mount_fs If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff88811b25a640 (size 64): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffa493be24>] kmem_cache_alloc_trace+0x584/0x880 [<ffffffffa5423a06>] jffs2_sum_init+0x86/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] unreferenced object 0xffff88812c760000 (size 65536): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ backtrace: [<ffffffffa493a449>] __kmalloc+0x6b9/0x910 [<ffffffffa5423a57>] jffs2_sum_init+0xd7/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] -------------------------------------------- This is because the resources allocated in jffs2_sum_init() are not released. Call jffs2_sum_exit() to release these resources to solve the problem.
Impacted products
Vendor Product Version
Linux Linux Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
Version: e631ddba588783edd521c5a89f7b2902772fb691
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   Linux Linux Version: 2.6.15
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{
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njffs2: fix memory leak in jffs2_do_mount_fs\n\nIf jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error,\nwe can observe the following kmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff88811b25a640 (size 64):\n  comm \"mount\", pid 691, jiffies 4294957728 (age 71.952s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [\u003cffffffffa493be24\u003e] kmem_cache_alloc_trace+0x584/0x880\n    [\u003cffffffffa5423a06\u003e] jffs2_sum_init+0x86/0x130\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\n    [\u003cffffffffa540c00a\u003e] jffs2_fill_super+0x2ea/0x4c0\n    [...]\nunreferenced object 0xffff88812c760000 (size 65536):\n  comm \"mount\", pid 691, jiffies 4294957728 (age 71.952s)\n  hex dump (first 32 bytes):\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\n  backtrace:\n    [\u003cffffffffa493a449\u003e] __kmalloc+0x6b9/0x910\n    [\u003cffffffffa5423a57\u003e] jffs2_sum_init+0xd7/0x130\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\n    [\u003cffffffffa540c00a\u003e] jffs2_fill_super+0x2ea/0x4c0\n    [...]\n--------------------------------------------\n\nThis is because the resources allocated in jffs2_sum_init() are not\nreleased. Call jffs2_sum_exit() to release these resources to solve\nthe problem."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:34:00.836Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834"
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          "url": "https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699"
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        {
          "url": "https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c"
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      "title": "jffs2: fix memory leak in jffs2_do_mount_fs",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49277",
    "datePublished": "2025-02-26T01:56:21.037Z",
    "dateReserved": "2025-02-26T01:49:39.298Z",
    "dateUpdated": "2025-05-04T08:34:00.836Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49277\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:01:04.567\",\"lastModified\":\"2025-04-14T17:09:03.497\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\njffs2: fix memory leak in jffs2_do_mount_fs\\n\\nIf jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error,\\nwe can observe the following kmemleak report:\\n\\n--------------------------------------------\\nunreferenced object 0xffff88811b25a640 (size 64):\\n  comm \\\"mount\\\", pid 691, jiffies 4294957728 (age 71.952s)\\n  hex dump (first 32 bytes):\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace:\\n    [\u003cffffffffa493be24\u003e] kmem_cache_alloc_trace+0x584/0x880\\n    [\u003cffffffffa5423a06\u003e] jffs2_sum_init+0x86/0x130\\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\\n    [\u003cffffffffa540c00a\u003e] jffs2_fill_super+0x2ea/0x4c0\\n    [...]\\nunreferenced object 0xffff88812c760000 (size 65536):\\n  comm \\\"mount\\\", pid 691, jiffies 4294957728 (age 71.952s)\\n  hex dump (first 32 bytes):\\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\\n  backtrace:\\n    [\u003cffffffffa493a449\u003e] __kmalloc+0x6b9/0x910\\n    [\u003cffffffffa5423a57\u003e] jffs2_sum_init+0xd7/0x130\\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\\n    [\u003cffffffffa540c00a\u003e] jffs2_fill_super+0x2ea/0x4c0\\n    [...]\\n--------------------------------------------\\n\\nThis is because the resources allocated in jffs2_sum_init() are not\\nreleased. Call jffs2_sum_exit() to release these resources to solve\\nthe problem.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jffs2: se corrige la p\u00e9rdida de memoria en jffs2_do_mount_fs Si jffs2_build_filesystem() en jffs2_do_mount_fs() devuelve un error, podemos observar el siguiente informe de kmemleak: -------------------------------------------- objeto sin referencia 0xffff88811b25a640 (tama\u00f1o 64): comm \\\"mount\\\", pid 691, jiffies 4294957728 (edad 71,952 s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ seguimiento inverso: [] kmem_cache_alloc_trace+0x584/0x880 [] jffs2_sum_init+0x86/0x130 [] jffs2_do_mount_fs+0x798/0xac0 [] jffs2_do_fill_super+0x383/0xc30 [] jffs2_fill_super+0x2ea/0x4c0 [...] objeto sin referencia 0xffff88812c760000 (tama\u00f1o 65536): comm \\\"montar\\\", pid 691, jiffies 4294957728 (edad 71,952 s) volcado hexadecimal (primeros 32 bytes): bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ seguimiento inverso: [] __kmalloc+0x6b9/0x910 [] jffs2_sum_init+0xd7/0x130 [] jffs2_do_mount_fs+0x798/0xac0 [] jffs2_do_fill_super+0x383/0xc30 [] jffs2_fill_super+0x2ea/0x4c0 [...] -------------------------------------------- Esto se debe a que los recursos asignados en jffs2_sum_init() no se liberan. Llame a jffs2_sum_exit() para liberar estos recursos y resolver el problema.\"}],\"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\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.15\",\"versionEndExcluding\":\"4.9.311\",\"matchCriteriaId\":\"73A8CFF5-6110-4547-8A39-17A10B5D347A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.276\",\"matchCriteriaId\":\"6D9B028C-6313-47F9-94B7-5F8122345E49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.238\",\"matchCriteriaId\":\"FA28527A-11D3-41D2-9C4C-ECAC0D6A4A2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.189\",\"matchCriteriaId\":\"8CB6E8F5-C2B1-46F3-A807-0F6104AC340F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.110\",\"matchCriteriaId\":\"91D3BFD0-D3F3-4018-957C-96CCBF357D79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.33\",\"matchCriteriaId\":\"27C42AE8-B387-43E2-938A-E1C8B40BE6D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.19\",\"matchCriteriaId\":\"20C43679-0439-405A-B97F-685BEE50613B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.17\",\"versionEndExcluding\":\"5.17.2\",\"matchCriteriaId\":\"210C679C-CF84-44A3-8939-E629C87E54BF\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c94128470e6fe53d9bd9d16d2d3271813f9d37af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dbe0d0521eaa6a3d235517319266c539bb5c5112\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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