{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50772", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:21.547Z", "datePublished": "2025-12-24T13:06:01.170Z", "dateUpdated": "2025-12-24T13:06:01.170Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T13:06:01.170Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_bus_dev_new()\n\nIf device_register() failed in nsim_bus_dev_new(), the value of reference\nin nsim_bus_dev->dev is 1. obj->name in nsim_bus_dev->dev will not be\nreleased.\n\nunreferenced object 0xffff88810352c480 (size 16):\n comm \"echo\", pid 5691, jiffies 4294945921 (age 133.270s)\n hex dump (first 16 bytes):\n 6e 65 74 64 65 76 73 69 6d 31 00 00 00 00 00 00 netdevsim1......\n backtrace:\n [<000000005e2e5e26>] __kmalloc_node_track_caller+0x3a/0xb0\n [<0000000094ca4fc8>] kvasprintf+0xc3/0x160\n [<00000000aad09bcc>] kvasprintf_const+0x55/0x180\n [<000000009bac868d>] kobject_set_name_vargs+0x56/0x150\n [<000000007c1a5d70>] dev_set_name+0xbb/0xf0\n [<00000000ad0d126b>] device_add+0x1f8/0x1cb0\n [<00000000c222ae24>] new_device_store+0x3b6/0x5e0\n [<0000000043593421>] bus_attr_store+0x72/0xa0\n [<00000000cbb1833a>] sysfs_kf_write+0x106/0x160\n [<00000000d0dedb8a>] kernfs_fop_write_iter+0x3a8/0x5a0\n [<00000000770b66e2>] vfs_write+0x8f0/0xc80\n [<0000000078bb39be>] ksys_write+0x106/0x210\n [<00000000005e55a4>] do_syscall_64+0x35/0x80\n [<00000000eaa40bbc>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/netdevsim/bus.c"], "versions": [{"version": "40e4fe4ce115c409c3e2fbb247085103ef1cc755", "lessThan": "77579e4065295071fbd9662f03430dca5b50b086", "status": "affected", "versionType": "git"}, {"version": "40e4fe4ce115c409c3e2fbb247085103ef1cc755", "lessThan": "cf2010aa1c739bab067cbc90b690d28eaa0b47da", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/netdevsim/bus.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.7", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.2", "versionEndExcluding": "6.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086"}, {"url": "https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da"}], "title": "netdevsim: fix memory leak in nsim_bus_dev_new()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_bus_dev_new()\n\nIf device_register() failed in nsim_bus_dev_new(), the value of reference\nin nsim_bus_dev->dev is 1. obj->name in nsim_bus_dev->dev will not be\nreleased.\n\nunreferenced object 0xffff88810352c480 (size 16):\n comm \"echo\", pid 5691, jiffies 4294945921 (age 133.270s)\n hex dump (first 16 bytes):\n 6e 65 74 64 65 76 73 69 6d 31 00 00 00 00 00 00 netdevsim1......\n backtrace:\n [<000000005e2e5e26>] __kmalloc_node_track_caller+0x3a/0xb0\n [<0000000094ca4fc8>] kvasprintf+0xc3/0x160\n [<00000000aad09bcc>] kvasprintf_const+0x55/0x180\n [<000000009bac868d>] kobject_set_name_vargs+0x56/0x150\n [<000000007c1a5d70>] dev_set_name+0xbb/0xf0\n [<00000000ad0d126b>] device_add+0x1f8/0x1cb0\n [<00000000c222ae24>] new_device_store+0x3b6/0x5e0\n [<0000000043593421>] bus_attr_store+0x72/0xa0\n [<00000000cbb1833a>] sysfs_kf_write+0x106/0x160\n [<00000000d0dedb8a>] kernfs_fop_write_iter+0x3a8/0x5a0\n [<00000000770b66e2>] vfs_write+0x8f0/0xc80\n [<0000000078bb39be>] ksys_write+0x106/0x210\n [<00000000005e55a4>] do_syscall_64+0x35/0x80\n [<00000000eaa40bbc>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"}], "id": "CVE-2022-50772", "lastModified": "2025-12-24T13:16:04.020", "metrics": {}, "published": "2025-12-24T13:16:04.020", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}