{"id":"CVE-2022-50352","state":"PUBLISHED","title":"net: hns: fix possible memory leak in hnae_ae_register()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns: fix possible memory leak in hnae_ae_register()\n\nInject fault while probing module, if device_register() fails,\nbut the refcount of kobject is not decreased to 0, the name\nallocated in dev_set_name() is leaked. Fix this by calling\nput_device(), so that name can be freed in callback function\nkobject_cleanup().\n\nunreferenced object 0xffff00c01aba2100 (size 128):\n  comm \"systemd-udevd\", pid 1259, jiffies 4294903284 (age 294.152s)\n  hex dump (first 32 bytes):\n    68 6e 61 65 30 00 00 00 18 21 ba 1a c0 00 ff ff  hnae0....!......\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<0000000034783f26>] slab_post_alloc_hook+0xa0/0x3e0\n    [<00000000748188f2>] __kmem_cache_alloc_node+0x164/0x2b0\n    [<00000000ab0743e8>] __kmalloc_node_track_caller+0x6c/0x390\n    [<000000006c0ffb13>] kvasprintf+0x8c/0x118\n    [<00000000fa27bfe1>] kvasprintf_const+0x60/0xc8\n    [<0000000083e10ed7>] kobject_set_name_vargs+0x3c/0xc0\n    [<000000000b87affc>] dev_set_name+0x7c/0xa0\n    [<000000003fd8fe26>] hnae_ae_register+0xcc/0x190 [hnae]\n    [<00000000fe97edc9>] hns_dsaf_ae_init+0x9c/0x108 [hns_dsaf]\n    [<00000000c36ff1eb>] hns_dsaf_probe+0x548/0x748 [hns_dsaf]","publishedAt":"2025-09-16T16:11:43.458Z","updatedAt":"2026-05-11T19:17:52.374Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"a3c148955c22fe1d94d7a2096005679c1f22eddf","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"3b78453cca046d3b03853f0d077ad3ad130db886","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"7ae1345f6ad715acbcdc9e1ac28153684fd498bb","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"dfc0337c6dceb6449403b33ecb141f4a1458a1e9","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"2974f3b330ef25f5d34a4948d04290c2cd7802cf","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"91f8f5342bee726ed5692583d58f69e7cc9ae60e","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"02dc0db19d944b4a90941db505ecf1aaec714be4","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"ff2f5ec5d009844ec28f171123f9e58750cef4bf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns/hnae.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"4.9.332","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.298","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.264","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.221","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.152","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.76","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.6","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns/hnae.c"]}],"references":["https://git.kernel.org/stable/c/a3c148955c22fe1d94d7a2096005679c1f22eddf","https://git.kernel.org/stable/c/3b78453cca046d3b03853f0d077ad3ad130db886","https://git.kernel.org/stable/c/7ae1345f6ad715acbcdc9e1ac28153684fd498bb","https://git.kernel.org/stable/c/dfc0337c6dceb6449403b33ecb141f4a1458a1e9","https://git.kernel.org/stable/c/2974f3b330ef25f5d34a4948d04290c2cd7802cf","https://git.kernel.org/stable/c/91f8f5342bee726ed5692583d58f69e7cc9ae60e","https://git.kernel.org/stable/c/02dc0db19d944b4a90941db505ecf1aaec714be4","https://git.kernel.org/stable/c/ff2f5ec5d009844ec28f171123f9e58750cef4bf"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50352.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50352","state":"PUBLISHED","datePublished":"2025-09-16T16:11:43.458Z","dateUpdated":"2026-05-11T19:17:52.374Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:03:27.882Z"},"containers":{"cna":{"title":"net: hns: fix possible memory leak in hnae_ae_register()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns: fix possible memory leak in hnae_ae_register()\n\nInject fault while probing module, if device_register() fails,\nbut the refcount of kobject is not decreased to 0, the name\nallocated in dev_set_name() is leaked. Fix this by calling\nput_device(), so that name can be freed in callback function\nkobject_cleanup().\n\nunreferenced object 0xffff00c01aba2100 (size 128):\n  comm \"systemd-udevd\", pid 1259, jiffies 4294903284 (age 294.152s)\n  hex dump (first 32 bytes):\n    68 6e 61 65 30 00 00 00 18 21 ba 1a c0 00 ff ff  hnae0....!......\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<0000000034783f26>] slab_post_alloc_hook+0xa0/0x3e0\n    [<00000000748188f2>] __kmem_cache_alloc_node+0x164/0x2b0\n    [<00000000ab0743e8>] __kmalloc_node_track_caller+0x6c/0x390\n    [<000000006c0ffb13>] kvasprintf+0x8c/0x118\n    [<00000000fa27bfe1>] kvasprintf_const+0x60/0xc8\n    [<0000000083e10ed7>] kobject_set_name_vargs+0x3c/0xc0\n    [<000000000b87affc>] dev_set_name+0x7c/0xa0\n    [<000000003fd8fe26>] hnae_ae_register+0xcc/0x190 [hnae]\n    [<00000000fe97edc9>] hns_dsaf_ae_init+0x9c/0x108 [hns_dsaf]\n    [<00000000c36ff1eb>] hns_dsaf_probe+0x548/0x748 [hns_dsaf]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"a3c148955c22fe1d94d7a2096005679c1f22eddf","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"3b78453cca046d3b03853f0d077ad3ad130db886","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"7ae1345f6ad715acbcdc9e1ac28153684fd498bb","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"dfc0337c6dceb6449403b33ecb141f4a1458a1e9","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"2974f3b330ef25f5d34a4948d04290c2cd7802cf","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"91f8f5342bee726ed5692583d58f69e7cc9ae60e","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"02dc0db19d944b4a90941db505ecf1aaec714be4","versionType":"git"},{"version":"6fe6611ff275522a4e4c0359e2f46cdd07780d2f","status":"affected","lessThan":"ff2f5ec5d009844ec28f171123f9e58750cef4bf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns/hnae.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"4.9.332","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.298","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.264","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.221","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.152","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.76","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.6","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns/hnae.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a3c148955c22fe1d94d7a2096005679c1f22eddf"},{"url":"https://git.kernel.org/stable/c/3b78453cca046d3b03853f0d077ad3ad130db886"},{"url":"https://git.kernel.org/stable/c/7ae1345f6ad715acbcdc9e1ac28153684fd498bb"},{"url":"https://git.kernel.org/stable/c/dfc0337c6dceb6449403b33ecb141f4a1458a1e9"},{"url":"https://git.kernel.org/stable/c/2974f3b330ef25f5d34a4948d04290c2cd7802cf"},{"url":"https://git.kernel.org/stable/c/91f8f5342bee726ed5692583d58f69e7cc9ae60e"},{"url":"https://git.kernel.org/stable/c/02dc0db19d944b4a90941db505ecf1aaec714be4"},{"url":"https://git.kernel.org/stable/c/ff2f5ec5d009844ec28f171123f9e58750cef4bf"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:17:52.374Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.9.332"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.14.298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.19.264"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.4.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.152"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.0.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"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-2022-50352","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:22:33.052452Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:22:59.144Z"}}]}}}