{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49793", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.224Z", "datePublished": "2025-05-01T14:09:24.442Z", "dateUpdated": "2025-05-04T08:45:29.276Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:45:29.276Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()\n\ndev_set_name() allocates memory for name, it need be freed\nwhen device_add() fails, call put_device() to give up the\nreference that hold in device_initialize(), so that it can\nbe freed in kobject_cleanup() when the refcount hit to 0.\n\nFault injection test can trigger this:\n\nunreferenced object 0xffff8e8340a7b4c0 (size 32):\n comm \"modprobe\", pid 243, jiffies 4294678145 (age 48.845s)\n hex dump (first 32 bytes):\n 69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge\n 72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............\n backtrace:\n [<0000000074999de8>] __kmem_cache_alloc_node+0x1e9/0x360\n [<00000000497fd30b>] __kmalloc_node_track_caller+0x44/0x1a0\n [<000000003636c520>] kstrdup+0x2d/0x60\n [<0000000032f84da2>] kobject_set_name_vargs+0x1e/0x90\n [<0000000092efe493>] dev_set_name+0x4e/0x70"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/trigger/iio-trig-sysfs.c"], "versions": [{"version": "1f785681a87068f123d3e23da13b2c55ab4f93ac", "lessThan": "f68c96821b61d2c71a35dbb8bf90c347fad624d9", "status": "affected", "versionType": "git"}, {"version": "1f785681a87068f123d3e23da13b2c55ab4f93ac", "lessThan": 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"https://git.kernel.org/stable/c/656f670613662b6cc77aad14112db2803ad18fa8"}, {"url": "https://git.kernel.org/stable/c/2c4e65285bdea23fd36d2ff376006ac64db6f42e"}, {"url": "https://git.kernel.org/stable/c/efa17e90e1711bdb084e3954fa44afb6647331c0"}], "title": "iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B27565B-31CF-47D1-97C1-877DC4D928D8", "versionEndExcluding": "4.9.334", "versionStartIncluding": "3.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "424802D2-E9E7-48A9-AD6F-DF2227B3D83A", "versionEndExcluding": "4.14.300", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5C69A12-68E2-400E-9A5A-375A673C8402", "versionEndExcluding": "4.19.267", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "94D21814-3051-4860-AB06-C7880A3D4933", "versionEndExcluding": "5.4.225", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E2152F3D-E6D3-405D-B0BE-911B8B6E2EE6", "versionEndExcluding": "5.10.156", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "51BBEF3B-79F5-4D4C-ADBA-F34DA0E2465C", "versionEndExcluding": "5.15.80", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F9ADD1-3ADB-4D66-A00F-4A83010B05F0", "versionEndExcluding": "6.0.10", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()\n\ndev_set_name() allocates memory for name, it need be freed\nwhen device_add() fails, call put_device() to give up the\nreference that hold in device_initialize(), so that it can\nbe freed in kobject_cleanup() when the refcount hit to 0.\n\nFault injection test can trigger this:\n\nunreferenced object 0xffff8e8340a7b4c0 (size 32):\n comm \"modprobe\", pid 243, jiffies 4294678145 (age 48.845s)\n hex dump (first 32 bytes):\n 69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge\n 72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............\n backtrace:\n [<0000000074999de8>] __kmem_cache_alloc_node+0x1e9/0x360\n [<00000000497fd30b>] __kmalloc_node_track_caller+0x44/0x1a0\n [<000000003636c520>] kstrdup+0x2d/0x60\n [<0000000032f84da2>] kobject_set_name_vargs+0x1e/0x90\n [<0000000092efe493>] dev_set_name+0x4e/0x70"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: trigger: sysfs: se corrige una posible fuga de memoria en iio_sysfs_trig_init(). dev_set_name() asigna memoria para name. Esta debe liberarse cuando device_add() falla. Se llama a put_device() para liberar la referencia contenida en device_initialize(), de modo que pueda liberarse en kobject_cleanup() cuando refcount llegue a 0. La prueba de inyecci\u00f3n de fallos puede desencadenar esto: objeto sin referencia 0xffff8e8340a7b4c0 (tama\u00f1o 32): comm \"modprobe\", pid 243, jiffies 4294678145 (edad 48.845s) volcado hexadecimal (primeros 32 bytes): 69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge 72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............ backtrace: [&lt;0000000074999de8&gt;] __kmem_cache_alloc_node+0x1e9/0x360 [&lt;00000000497fd30b&gt;] __kmalloc_node_track_caller+0x44/0x1a0 [&lt;000000003636c520&gt;] kstrdup+0x2d/0x60 [&lt;0000000032f84da2&gt;] kobject_set_name_vargs+0x1e/0x90 [&lt;0000000092efe493&gt;] dev_set_name+0x4e/0x70 "}], "id": "CVE-2022-49793", "lastModified": "2025-11-03T14:02:47.013", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-01T15:16:02.563", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0dd52e141afde089304de470148d311b05c14564"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c4e65285bdea23fd36d2ff376006ac64db6f42e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a39382aa5411d64b25a71516c2c7480aab13bb7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/656f670613662b6cc77aad14112db2803ad18fa8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8dddf2699da296c84205582aaead6b43dd7e8c4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b47bb521961f027b4dcf8683337a7a1ba9e5ea1f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efa17e90e1711bdb084e3954fa44afb6647331c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f68c96821b61d2c71a35dbb8bf90c347fad624d9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()", "id": "2363484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363484"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()\ndev_set_name() allocates memory for name, it need be freed\nwhen device_add() fails, call put_device() to give up the\nreference that hold in device_initialize(), so that it can\nbe freed in kobject_cleanup() when the refcount hit to 0.\nFault injection test can trigger this:\nunreferenced object 0xffff8e8340a7b4c0 (size 32):\ncomm \"modprobe\", pid 243, jiffies 4294678145 (age 48.845s)\nhex dump (first 32 bytes):\n69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65 iio_sysfs_trigge\n72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff r..@............\nbacktrace:\n[<0000000074999de8>] __kmem_cache_alloc_node+0x1e9/0x360\n[<00000000497fd30b>] __kmalloc_node_track_caller+0x44/0x1a0\n[<000000003636c520>] kstrdup+0x2d/0x60\n[<0000000032f84da2>] kobject_set_name_vargs+0x1e/0x90\n[<0000000092efe493>] dev_set_name+0x4e/0x70"], "name": "CVE-2022-49793", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49793\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49793\nhttps://lore.kernel.org/linux-cve-announce/2025050123-CVE-2022-49793-f63c@gregkh/T"], "threat_severity": "Moderate"}