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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": "2026-09-17",
      "epss": "0.0027",
      "percentile": "0.19348"
    },
    "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 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    "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"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T16:59:27Z",
      "cve": "CVE-2022-49277",
      "id": "CVE-2022-49277",
      "initial_release_date": "2025-02-27T03:09:33Z",
      "product_status:known_affected": "383",
      "product_status:known_not_affected": "352",
      "product_status:recommended": "223",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49277",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49277.json",
      "version": "48"
    },
    "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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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.