| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix listener leak in rdma_cma_listen_on_all() failure\n\nIf cma_listen_on_all() fails it leaves the per-device ID still on the\nlisten_list but the state is not set to RDMA_CM_ADDR_BOUND.\n\nWhen the cmid is eventually destroyed cma_cancel_listens() is not called\ndue to the wrong state, however the per-device IDs are still holding the\nrefcount preventing the ID from being destroyed, thus deadlocking:\n\n task:rping state:D stack: 0 pid:19605 ppid: 47036 flags:0x00000084\n Call Trace:\n __schedule+0x29a/0x780\n ? free_unref_page_commit+0x9b/0x110\n schedule+0x3c/0xa0\n schedule_timeout+0x215/0x2b0\n ? __flush_work+0x19e/0x1e0\n wait_for_completion+0x8d/0xf0\n _destroy_id+0x144/0x210 [rdma_cm]\n ucma_close_id+0x2b/0x40 [rdma_ucm]\n __destroy_id+0x93/0x2c0 [rdma_ucm]\n ? __xa_erase+0x4a/0xa0\n ucma_destroy_id+0x9a/0x120 [rdma_ucm]\n ucma_write+0xb8/0x130 [rdma_ucm]\n vfs_write+0xb4/0x250\n ksys_write+0xb5/0xd0\n ? syscall_trace_enter.isra.19+0x123/0x190\n do_syscall_64+0x33/0x40\n entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nEnsure that cma_listen_on_all() atomically unwinds its action under the\nlock during error." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/infiniband/core/cma.c" |
| ], |
| "versions": [ |
| { |
| "version": "70ba8b1697e35c04ea5f22edb6e401aeb1208d96", |
| "lessThan": "3f4e68902d2e545033c80d7ad62fd9a439e573f4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c80a0c52d85c49a910d0dc0e342e8d8898677dc0", |
| "lessThan": "e56a5146ef8cb51cd7c9e748267dce7564448a35", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c80a0c52d85c49a910d0dc0e342e8d8898677dc0", |
| "lessThan": "ca465e1f1f9b38fe916a36f7d80c5d25f2337c81", |
| "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/infiniband/core/cma.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.11", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.11", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.71", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.14.10", |
| "lessThanOrEqual": "5.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15", |
| "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": "5.10.4", |
| "versionEndExcluding": "5.10.71" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.11", |
| "versionEndExcluding": "5.14.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.11", |
| "versionEndExcluding": "5.15" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/3f4e68902d2e545033c80d7ad62fd9a439e573f4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e56a5146ef8cb51cd7c9e748267dce7564448a35" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/ca465e1f1f9b38fe916a36f7d80c5d25f2337c81" |
| } |
| ], |
| "title": "RDMA/cma: Fix listener leak in rdma_cma_listen_on_all() failure", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47392", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
