{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23384", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:46.008Z", "datePublished": "2026-03-25T10:28:02.818Z", "dateUpdated": "2026-03-25T10:28:02.818Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-03-25T10:28:02.818Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ionic: Fix kernel stack leak in ionic_create_cq()\n\nstruct ionic_cq_resp resp {\n __u32 cqid[2]; // offset 0 - PARTIALLY SET (see below)\n __u8 udma_mask; // offset 8 - SET (resp.udma_mask = vcq->udma_mask)\n __u8 rsvd[7]; // offset 9 - NEVER SET <- LEAK\n};\n\nrsvd[7]: 7 bytes of stack memory leaked unconditionally.\n\ncqid[2]: The loop at line 1256 iterates over udma_idx but skips indices\nwhere !(vcq->udma_mask & BIT(udma_idx)). The array has 2 entries but\nudma_count could be 1, meaning cqid[1] might never be written via\nionic_create_cq_common(). If udma_mask only has bit 0 set, cqid[1] (4\nbytes) is also leaked. So potentially 11 bytes leaked."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/ionic/ionic_controlpath.c"], "versions": [{"version": "e8521822c733c6deab0f339843cd37cd62c12795", "lessThan": "a6f3e0fa8e862f220c26c2f27e5ddc42eb82ad3e", "status": "affected", "versionType": "git"}, {"version": "e8521822c733c6deab0f339843cd37cd62c12795", "lessThan": "547d0b07ad73915b323bc21f85c5d3252bebbbcf", "status": "affected", "versionType": "git"}, {"version": "e8521822c733c6deab0f339843cd37cd62c12795", "lessThan": "faa72102b178c7ae6c6afea23879e7c84fc59b4e", "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/ionic/ionic_controlpath.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc2", "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": "6.18", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a6f3e0fa8e862f220c26c2f27e5ddc42eb82ad3e"}, {"url": "https://git.kernel.org/stable/c/547d0b07ad73915b323bc21f85c5d3252bebbbcf"}, {"url": "https://git.kernel.org/stable/c/faa72102b178c7ae6c6afea23879e7c84fc59b4e"}], "title": "RDMA/ionic: Fix kernel stack leak in ionic_create_cq()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ionic: Fix kernel stack leak in ionic_create_cq()\n\nstruct ionic_cq_resp resp {\n __u32 cqid[2]; // offset 0 - PARTIALLY SET (see below)\n __u8 udma_mask; // offset 8 - SET (resp.udma_mask = vcq->udma_mask)\n __u8 rsvd[7]; // offset 9 - NEVER SET <- LEAK\n};\n\nrsvd[7]: 7 bytes of stack memory leaked unconditionally.\n\ncqid[2]: The loop at line 1256 iterates over udma_idx but skips indices\nwhere !(vcq->udma_mask & BIT(udma_idx)). The array has 2 entries but\nudma_count could be 1, meaning cqid[1] might never be written via\nionic_create_cq_common(). If udma_mask only has bit 0 set, cqid[1] (4\nbytes) is also leaked. So potentially 11 bytes leaked."}], "id": "CVE-2026-23384", "lastModified": "2026-03-25T11:16:38.633", "metrics": {}, "published": "2026-03-25T11:16:38.633", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/547d0b07ad73915b323bc21f85c5d3252bebbbcf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6f3e0fa8e862f220c26c2f27e5ddc42eb82ad3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/faa72102b178c7ae6c6afea23879e7c84fc59b4e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}