243 lines
12 KiB
JSON
243 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-46112",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-13T15:03:33.098Z",
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"datePublished": "2026-05-28T09:35:20.879Z",
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"dateUpdated": "2026-08-05T12:29:44.058Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T12:29:44.058Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix unlocked call to hns_roce_qp_remove()\n\nSashiko points out that hns_roce_qp_remove() requires the caller to hold\nlocks. The error flow in hns_roce_create_qp_common() doesn't hold those\nlocks for the error unwind so it risks corrupting memory.\n\nGrab the same locks the other two callers use."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The bug is reached through the local RDMA uverbs character device (ibv_create_qp), a control-plane operation; it cannot be triggered by a remote peer sending RDMA packets.\nAC:L - The attacker can reliably force the error-unwind path (e.g., a faulting ib_copy_to_udata output buffer) and controls both sides of the race by running concurrent QP create/destroy and CQ-poll operations on the same device/CQs.\nPR:L - Creating a QP requires access to the RDMA verbs device but no CAP/root; an unprivileged local user with RDMA access (common in HPC/cloud/container deployments) can reach the code.\nUI:N - The attacker triggers QP creation and the error path directly with no action required from any other user.\nS:U - Corruption stays within the kernel's own memory/security authority; no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - Unlocked list_del causes linked-list corruption that can be leveraged into use-after-free and arbitrary kernel-memory disclosure; per guidance memory corruption exploitable for info leak is High.\nI:H - Racing list_del/list_add writes attacker-influenced pointer values into neighbor nodes, a memory-corruption write primitive that can be escalated to control-flow hijack; High.\nA:H - List corruption and the resulting use-after-free reliably oops/panic the kernel, a full denial of service."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/infiniband/hw/hns/hns_roce_qp.c"
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],
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"versions": [
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{
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "1f0a3aa8b569d010316b427238222c5d899f9618",
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"status": "affected",
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"versionType": "git"
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},
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "b6296ff2475fc95ee6ea1b528c4b385302808186",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "fb4ae739811d467409bd07d0e36cfd4140f3d26a",
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"status": "affected",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "1912f78798505dc9c637081bbddfbf1c22494c49",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "615d9d260c32bb678504ca96f29ae46f9d745155",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e088a685eae94a0607b8f7b99949a0e14d748813",
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"lessThan": "0c99acbc8b6c6dd526ae475a48ee1897b61072fb",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/infiniband/hw/hns/hns_roce_qp.c"
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],
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"versions": [
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{
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"version": "4.17",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.17",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.209",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.175",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.140",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.88",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.30",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.0.7",
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"lessThanOrEqual": "7.0.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "5.15.209"
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/1f0a3aa8b569d010316b427238222c5d899f9618"
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},
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{
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"url": "https://git.kernel.org/stable/c/b6296ff2475fc95ee6ea1b528c4b385302808186"
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},
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{
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"url": "https://git.kernel.org/stable/c/fb4ae739811d467409bd07d0e36cfd4140f3d26a"
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},
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{
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"url": "https://git.kernel.org/stable/c/fcf6a832c0d5b2bc5398d6996c5570d3ee7993fb"
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},
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{
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"url": "https://git.kernel.org/stable/c/1912f78798505dc9c637081bbddfbf1c22494c49"
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},
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{
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"url": "https://git.kernel.org/stable/c/615d9d260c32bb678504ca96f29ae46f9d745155"
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{
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"url": "https://git.kernel.org/stable/c/0c99acbc8b6c6dd526ae475a48ee1897b61072fb"
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}
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],
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"title": "RDMA/hns: Fix unlocked call to hns_roce_qp_remove()",
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"x_generator": {
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} |