{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98353", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.343Z", "datePublished": "2026-10-06T08:46:40.955Z", "dateUpdated": "2026-10-21T12:54:57.065Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:54:57.065Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables\n\nLocked QP and CQ lookups from EQ interrupts can deadlock with\ncreate-path XArray updates. If an interrupt arrives while the create\npath holds the plain xa_lock, the lookup spins forever trying to\nacquire the same lock.\n\nUse IRQ-safe XArray helpers for all QP and CQ create-path updates,\nincluding the GSI QP store and error paths. Initialize both arrays with\nXA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/erdma/erdma_main.c", "drivers/infiniband/hw/erdma/erdma_verbs.c"], "versions": [{"version": "1fc9c1933959d2776a1ce7bf424251b8b5b586cd", "lessThan": "e32aa1d85126e6d5ef6efd594ced3f75178886ce", "status": "affected", "versionType": "git"}, {"version": "4545f355654d044d35a31cd01cc46f491a8a7c36", "lessThan": "74d4085221a7ec5440996af199ccadfa75b9eb0e", "status": "affected", "versionType": "git"}, {"version": "98df2aee1459ee1c62c70cbe9b370d2a532aea36", "lessThan": "00baeade709fb66da647e8327e8398bb532e30f7", "status": "affected", "versionType": "git"}, {"version": "610ef81797bb4f709e8675c1d8d093bb9ccdcbd8", "status": "affected", "versionType": "git"}, {"version": "c0a83f29a24c7e7f8516630848ef6db4c174deed", "status": "affected", "versionType": "git"}, {"version": "05b8ca493dd02319bca93c640b259c2ba51ef321", "status": "affected", "versionType": "git"}, {"version": "233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8", "status": "affected", "versionType": "git"}, {"version": "6e32f84b63c054e09392153125d7202abab2d14b", "status": "affected", "versionType": "git"}, {"version": "ec987c0654651036dad6a42f7fa2a6d7c16a3687", "status": "affected", "versionType": "git"}, {"version": "c92686867638cda954fdb2bdbac8a75e3aa6eaae", "status": "affected", "versionType": "git"}, {"version": "6.1.188", "lessThan": "6.2", "status": "affected", "versionType": "semver"}, {"version": "6.6.157", "lessThan": "6.7", "status": "affected", "versionType": "semver"}, {"version": "6.12.110", "lessThan": "6.13", "status": "affected", "versionType": "semver"}, {"version": "6.6.160", "lessThan": "6.7", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/erdma/erdma_main.c", "drivers/infiniband/hw/erdma/erdma_verbs.c"], "versions": [{"version": "6.18.52", "lessThan": "6.18.58", "status": "affected", "versionType": "semver"}, {"version": "7.2.6", "lessThan": "7.2.8", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.52", "versionEndExcluding": "6.18.58"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.2.6", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.110"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e32aa1d85126e6d5ef6efd594ced3f75178886ce"}, {"url": "https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e"}, {"url": "https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7"}], "title": "RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/erdma/erdma_main.c", "drivers/infiniband/hw/erdma/erdma_verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e32aa1d85126e6d5ef6efd594ced3f75178886ce", "status": "affected", "version": "1fc9c1933959d2776a1ce7bf424251b8b5b586cd", "versionType": "git"}, {"lessThan": "74d4085221a7ec5440996af199ccadfa75b9eb0e", "status": "affected", "version": "4545f355654d044d35a31cd01cc46f491a8a7c36", "versionType": "git"}, {"lessThan": "00baeade709fb66da647e8327e8398bb532e30f7", "status": "affected", "version": "98df2aee1459ee1c62c70cbe9b370d2a532aea36", "versionType": "git"}, {"status": "affected", "version": "610ef81797bb4f709e8675c1d8d093bb9ccdcbd8", "versionType": "git"}, {"status": "affected", "version": "c0a83f29a24c7e7f8516630848ef6db4c174deed", "versionType": "git"}, {"status": "affected", "version": "05b8ca493dd02319bca93c640b259c2ba51ef321", "versionType": "git"}, {"status": "affected", "version": "233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8", "versionType": "git"}, {"status": "affected", "version": "6e32f84b63c054e09392153125d7202abab2d14b", "versionType": "git"}, {"status": "affected", "version": "ec987c0654651036dad6a42f7fa2a6d7c16a3687", "versionType": "git"}, {"status": "affected", "version": "c92686867638cda954fdb2bdbac8a75e3aa6eaae", "versionType": "git"}, {"lessThan": "6.2", "status": "affected", "version": "6.1.188", "versionType": "semver"}, {"lessThan": "6.7", "status": "affected", "version": "6.6.157", "versionType": "semver"}, {"lessThan": "6.13", "status": "affected", "version": "6.12.110", "versionType": "semver"}, {"lessThan": "6.7", "status": "affected", "version": "6.6.160", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/erdma/erdma_main.c", "drivers/infiniband/hw/erdma/erdma_verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6.18.58", "status": "affected", "version": "6.18.52", "versionType": "semver"}, {"lessThan": "7.2.8", "status": "affected", "version": "7.2.6", "versionType": "semver"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables\n\nLocked QP and CQ lookups from EQ interrupts can deadlock with\ncreate-path XArray updates. If an interrupt arrives while the create\npath holds the plain xa_lock, the lookup spins forever trying to\nacquire the same lock.\n\nUse IRQ-safe XArray helpers for all QP and CQ create-path updates,\nincluding the GSI QP store and error paths. Initialize both arrays with\nXA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state."}], "id": "CVE-2026-98353", "lastModified": "2026-10-21T13:21:26.170", "metrics": {}, "published": "2026-10-06T09:18:28.750", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e32aa1d85126e6d5ef6efd594ced3f75178886ce"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables", "id": "2546463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546463"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables\nLocked QP and CQ lookups from EQ interrupts can deadlock with\ncreate-path XArray updates. If an interrupt arrives while the create\npath holds the plain xa_lock, the lookup spins forever trying to\nacquire the same lock.\nUse IRQ-safe XArray helpers for all QP and CQ create-path updates,\nincluding the GSI QP store and error paths. Initialize both arrays with\nXA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state.", "A flaw was found in the Linux kernel's erdma (Elastic Remote Direct Memory Access) driver. A local user could cause a Denial of Service (DoS) through a system deadlock during concurrent queue creation and hardware interrupt handling. Because internal queue updates do not use interrupt-safe locking, an incoming interrupt attempting to look up queue resources can spin indefinitely waiting for an already-held lock, leading to a system hang."], "name": "CVE-2026-98353", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98353\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98353\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98353.mbox"], "threat_severity": "Moderate"}