| { |
| "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/hns: Fix NULL pointer problem in free_mr_init()\n\nLock grab occurs in a concurrent scenario, resulting in stepping on a NULL\npointer. It should be init mutex_init() first before use the lock.\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n Call trace:\n __mutex_lock.constprop.0+0xd0/0x5c0\n __mutex_lock_slowpath+0x1c/0x2c\n mutex_lock+0x44/0x50\n free_mr_send_cmd_to_hw+0x7c/0x1c0 [hns_roce_hw_v2]\n hns_roce_v2_dereg_mr+0x30/0x40 [hns_roce_hw_v2]\n hns_roce_dereg_mr+0x4c/0x130 [hns_roce_hw_v2]\n ib_dereg_mr_user+0x54/0x124\n uverbs_free_mr+0x24/0x30\n destroy_hw_idr_uobject+0x38/0x74\n uverbs_destroy_uobject+0x48/0x1c4\n uobj_destroy+0x74/0xcc\n ib_uverbs_cmd_verbs+0x368/0xbb0\n ib_uverbs_ioctl+0xec/0x1a4\n __arm64_sys_ioctl+0xb4/0x100\n invoke_syscall+0x50/0x120\n el0_svc_common.constprop.0+0x58/0x190\n do_el0_svc+0x30/0x90\n el0_svc+0x2c/0xb4\n el0t_64_sync_handler+0x1a4/0x1b0\n el0t_64_sync+0x19c/0x1a0" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/infiniband/hw/hns/hns_roce_hw_v2.c" |
| ], |
| "versions": [ |
| { |
| "version": "70f92521584f1d1e8268311ee84413307b0fdea8", |
| "lessThan": "0e23e85d86b78e734dd6654f1b69fbaeb5534c81", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "70f92521584f1d1e8268311ee84413307b0fdea8", |
| "lessThan": "12bcaf87d8b66d8cd812479c8a6349dcb245375c", |
| "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/hw/hns/hns_roce_hw_v2.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.18", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.18", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.0.8", |
| "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": "5.18", |
| "versionEndExcluding": "6.0.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.18", |
| "versionEndExcluding": "6.1" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/0e23e85d86b78e734dd6654f1b69fbaeb5534c81" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/12bcaf87d8b66d8cd812479c8a6349dcb245375c" |
| } |
| ], |
| "title": "RDMA/hns: Fix NULL pointer problem in free_mr_init()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49930", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
