CVE-2022-49381 (GCVE-0-2022-49381)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2025-10-01 19:46
VLAI?
Title
jffs2: fix memory leak in jffs2_do_fill_super
Summary
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_fill_super If jffs2_iget() or d_make_root() in jffs2_do_fill_super() returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff888105a65340 (size 64): comm "mount", pid 710, jiffies 4302851558 (age 58.239s) 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: [<ffffffff859c45e5>] kmem_cache_alloc_trace+0x475/0x8a0 [<ffffffff86160146>] jffs2_sum_init+0x96/0x1a0 [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120 [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810 [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0 [...] unreferenced object 0xffff8881bd7f0000 (size 65536): comm "mount", pid 710, jiffies 4302851558 (age 58.239s) 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: [<ffffffff858579ba>] kmalloc_order+0xda/0x110 [<ffffffff85857a11>] kmalloc_order_trace+0x21/0x130 [<ffffffff859c2ed1>] __kmalloc+0x711/0x8a0 [<ffffffff86160189>] jffs2_sum_init+0xd9/0x1a0 [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120 [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810 [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0 [...] -------------------------------------------- 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.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 4ba7bbeab8009faf3a726e565d98816593ddd5b0 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 4da8763a3d2b684c773b72ed80fad40bc264bc40 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 28048a4cf3813b7cf5cc8cce629dfdc7951cb1c2 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < d3a4fff1e7e408c32649030daa7c2c42a7e19a95 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 3252d327f977b14663a10967f3b0930d6c325687 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < ecc53e58596542791e82eff00702f8af7a313f70 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < cf9db013e167bc8fc2ecd7a13ed97a37df0c9dab (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 69295267c481545f636b69ff341b8db75aa136b9 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < c14adb1cf70a984ed081c67e9d27bc3caad9537c (git)
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    Linux Linux Affected: 2.6.15
Unaffected: 0 , < 2.6.15 (semver)
Unaffected: 4.9.318 , ≤ 4.9.* (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.122 , ≤ 5.10.* (semver)
Unaffected: 5.15.47 , ≤ 5.15.* (semver)
Unaffected: 5.17.15 , ≤ 5.17.* (semver)
Unaffected: 5.18.4 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njffs2: fix memory leak in jffs2_do_fill_super\n\nIf jffs2_iget() or d_make_root() in jffs2_do_fill_super() returns\nan error, we can observe the following kmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff888105a65340 (size 64):\n  comm \"mount\", pid 710, jiffies 4302851558 (age 58.239s)\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    [\u003cffffffff859c45e5\u003e] kmem_cache_alloc_trace+0x475/0x8a0\n    [\u003cffffffff86160146\u003e] jffs2_sum_init+0x96/0x1a0\n    [\u003cffffffff86140e25\u003e] jffs2_do_mount_fs+0x745/0x2120\n    [\u003cffffffff86149fec\u003e] jffs2_do_fill_super+0x35c/0x810\n    [\u003cffffffff8614aae9\u003e] jffs2_fill_super+0x2b9/0x3b0\n    [...]\nunreferenced object 0xffff8881bd7f0000 (size 65536):\n  comm \"mount\", pid 710, jiffies 4302851558 (age 58.239s)\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    [\u003cffffffff858579ba\u003e] kmalloc_order+0xda/0x110\n    [\u003cffffffff85857a11\u003e] kmalloc_order_trace+0x21/0x130\n    [\u003cffffffff859c2ed1\u003e] __kmalloc+0x711/0x8a0\n    [\u003cffffffff86160189\u003e] jffs2_sum_init+0xd9/0x1a0\n    [\u003cffffffff86140e25\u003e] jffs2_do_mount_fs+0x745/0x2120\n    [\u003cffffffff86149fec\u003e] jffs2_do_fill_super+0x35c/0x810\n    [\u003cffffffff8614aae9\u003e] jffs2_fill_super+0x2b9/0x3b0\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."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49381",
    "datePublished": "2025-02-26T02:11:18.812Z",
    "dateReserved": "2025-02-26T02:08:31.559Z",
    "dateUpdated": "2025-10-01T19:46:52.106Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:36:28.528Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\njffs2: fix memory leak in jffs2_do_fill_super\\n\\nIf jffs2_iget() or d_make_root() in jffs2_do_fill_super() returns\\nan error, we can observe the following kmemleak report:\\n\\n--------------------------------------------\\nunreferenced object 0xffff888105a65340 (size 64):\\n  comm \\\"mount\\\", pid 710, jiffies 4302851558 (age 58.239s)\\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    [\u003cffffffff859c45e5\u003e] kmem_cache_alloc_trace+0x475/0x8a0\\n    [\u003cffffffff86160146\u003e] jffs2_sum_init+0x96/0x1a0\\n    [\u003cffffffff86140e25\u003e] jffs2_do_mount_fs+0x745/0x2120\\n    [\u003cffffffff86149fec\u003e] jffs2_do_fill_super+0x35c/0x810\\n    [\u003cffffffff8614aae9\u003e] jffs2_fill_super+0x2b9/0x3b0\\n    [...]\\nunreferenced object 0xffff8881bd7f0000 (size 65536):\\n  comm \\\"mount\\\", pid 710, jiffies 4302851558 (age 58.239s)\\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    [\u003cffffffff858579ba\u003e] kmalloc_order+0xda/0x110\\n    [\u003cffffffff85857a11\u003e] kmalloc_order_trace+0x21/0x130\\n    [\u003cffffffff859c2ed1\u003e] __kmalloc+0x711/0x8a0\\n    [\u003cffffffff86160189\u003e] jffs2_sum_init+0xd9/0x1a0\\n    [\u003cffffffff86140e25\u003e] jffs2_do_mount_fs+0x745/0x2120\\n    [\u003cffffffff86149fec\u003e] jffs2_do_fill_super+0x35c/0x810\\n    [\u003cffffffff8614aae9\u003e] jffs2_fill_super+0x2b9/0x3b0\\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.\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"fs/jffs2/fs.c\"], \"versions\": [{\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"4ba7bbeab8009faf3a726e565d98816593ddd5b0\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"4da8763a3d2b684c773b72ed80fad40bc264bc40\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"28048a4cf3813b7cf5cc8cce629dfdc7951cb1c2\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"d3a4fff1e7e408c32649030daa7c2c42a7e19a95\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"3252d327f977b14663a10967f3b0930d6c325687\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"ecc53e58596542791e82eff00702f8af7a313f70\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"cf9db013e167bc8fc2ecd7a13ed97a37df0c9dab\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"69295267c481545f636b69ff341b8db75aa136b9\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"c14adb1cf70a984ed081c67e9d27bc3caad9537c\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": 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{\"version\": \"5.17.15\", \"lessThanOrEqual\": \"5.17.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.18.4\", \"lessThanOrEqual\": \"5.18.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.19\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"4.9.318\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"4.14.283\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"4.19.247\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.4.198\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.10.122\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.15.47\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.17.15\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.18.4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.6.15\", \"versionEndExcluding\": \"5.19\"}]}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4ba7bbeab8009faf3a726e565d98816593ddd5b0\"}, {\"url\": \"https://git.kernel.org/stable/c/4da8763a3d2b684c773b72ed80fad40bc264bc40\"}, {\"url\": \"https://git.kernel.org/stable/c/28048a4cf3813b7cf5cc8cce629dfdc7951cb1c2\"}, {\"url\": \"https://git.kernel.org/stable/c/d3a4fff1e7e408c32649030daa7c2c42a7e19a95\"}, {\"url\": \"https://git.kernel.org/stable/c/3252d327f977b14663a10967f3b0930d6c325687\"}, {\"url\": \"https://git.kernel.org/stable/c/ecc53e58596542791e82eff00702f8af7a313f70\"}, {\"url\": \"https://git.kernel.org/stable/c/cf9db013e167bc8fc2ecd7a13ed97a37df0c9dab\"}, {\"url\": \"https://git.kernel.org/stable/c/69295267c481545f636b69ff341b8db75aa136b9\"}, {\"url\": \"https://git.kernel.org/stable/c/c14adb1cf70a984ed081c67e9d27bc3caad9537c\"}], \"title\": \"jffs2: fix memory leak in jffs2_do_fill_super\", \"x_generator\": {\"engine\": \"bippy-1.2.0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49381\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:41:55.283015Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2025-10-01T16:46:01.273Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49381\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-02-26T02:08:31.559Z\", \"datePublished\": \"2025-02-26T02:11:18.812Z\", \"dateUpdated\": \"2025-05-04T08:36:28.528Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.