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CVE-2022-49277 (GCVE-0-2022-49277)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:56 – Updated: 2026-05-11 18:56
VLAI
Title
jffs2: fix memory leak in jffs2_do_mount_fs
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:45 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 2a9d8184458562e6bf2f40d0e677fc85e2dd3834 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 9a0f6610c7daedd2eace430beeb08a8b7ac80699 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < dbe0d0521eaa6a3d235517319266c539bb5c5112 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 0978e9af4559a171ac7a74a1b3ef21804b0a0fa9 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 607d3aab7349f18e0d9dba4100d09d16fe27caca (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 4392e8aeebc5a4f8073620bccba7de1b1f6d7c88 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < 5f34310d1376ca5b2ed798258def2c2ab3cc6699 (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < c94128470e6fe53d9bd9d16d2d3271813f9d37af (git)
Affected: e631ddba588783edd521c5a89f7b2902772fb691 , < d051cef784de4d54835f6b6836d98a8f6935772c (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.15
Unaffected: 0 , < 2.6.15 (semver)
Unaffected: 4.9.311 , ≤ 4.9.* (semver)
Unaffected: 4.14.276 , ≤ 4.14.* (semver)
Unaffected: 4.19.238 , ≤ 4.19.* (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (semver)
Unaffected: 5.10.110 , ≤ 5.10.* (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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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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  "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": "2026-05-11T18:56:34.860Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-49277",
      "date": "2026-09-13",
      "epss": "0.0027",
      "percentile": "0.19154"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49277\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:01:04.567\",\"lastModified\":\"2026-06-17T05:17:34.640\",\"vulnStatus\":\"Modified\",\"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.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/jffs2/build.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"2a9d8184458562e6bf2f40d0e677fc85e2dd3834\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"9a0f6610c7daedd2eace430beeb08a8b7ac80699\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"dbe0d0521eaa6a3d235517319266c539bb5c5112\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"0978e9af4559a171ac7a74a1b3ef21804b0a0fa9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"607d3aab7349f18e0d9dba4100d09d16fe27caca\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"4392e8aeebc5a4f8073620bccba7de1b1f6d7c88\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"5f34310d1376ca5b2ed798258def2c2ab3cc6699\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"c94128470e6fe53d9bd9d16d2d3271813f9d37af\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e631ddba588783edd521c5a89f7b2902772fb691\",\"lessThan\":\"d051cef784de4d54835f6b6836d98a8f6935772c\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/jffs2/build.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.15\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.15\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.311\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.276\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.238\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.189\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.110\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.33\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.16.19\",\"lessThanOrEqual\":\"5.16.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.17.2\",\"lessThanOrEqual\":\"5.17.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T19:45:30.429397Z\",\"id\":\"CVE-2022-49277\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:03:01+00:00",
      "cve": "CVE-2022-49277",
      "id": "CVE-2022-49277",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "260",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: jffs2: fix memory leak in jffs2_do_mount_fs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49277.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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-2022-49277\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:45:30.429397Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:12:09.740Z\"}}], \"cna\": {\"title\": \"jffs2: fix memory leak in jffs2_do_mount_fs\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"2a9d8184458562e6bf2f40d0e677fc85e2dd3834\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"9a0f6610c7daedd2eace430beeb08a8b7ac80699\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"dbe0d0521eaa6a3d235517319266c539bb5c5112\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"0978e9af4559a171ac7a74a1b3ef21804b0a0fa9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"607d3aab7349f18e0d9dba4100d09d16fe27caca\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"4392e8aeebc5a4f8073620bccba7de1b1f6d7c88\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"5f34310d1376ca5b2ed798258def2c2ab3cc6699\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"c94128470e6fe53d9bd9d16d2d3271813f9d37af\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e631ddba588783edd521c5a89f7b2902772fb691\", \"lessThan\": \"d051cef784de4d54835f6b6836d98a8f6935772c\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/jffs2/build.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.311\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.276\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.238\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.189\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.110\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.16.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/jffs2/build.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834\"}, {\"url\": \"https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699\"}, {\"url\": \"https://git.kernel.org/stable/c/dbe0d0521eaa6a3d235517319266c539bb5c5112\"}, {\"url\": \"https://git.kernel.org/stable/c/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9\"}, {\"url\": \"https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca\"}, {\"url\": \"https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88\"}, {\"url\": \"https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699\"}, {\"url\": \"https://git.kernel.org/stable/c/c94128470e6fe53d9bd9d16d2d3271813f9d37af\"}, {\"url\": \"https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.311\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.276\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.238\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.189\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.110\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.33\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16.19\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.2\", \"versionStartIncluding\": \"2.6.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18\", \"versionStartIncluding\": \"2.6.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:56:34.860Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49277\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:56:34.860Z\", \"dateReserved\": \"2025-02-26T01:49:39.298Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T01:56:21.037Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.