CVE-2026-97491

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97491", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.150Z", "datePublished": "2026-09-24T16:04:39.488Z", "dateUpdated": "2026-10-03T10:58:56.169Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-03T10:58:56.169Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: Don't sleep inside rds_ib_conn_path_shutdown\n\nNew rds rdma self tests exposed a hang when tearing down\nthe ib network configs. This is caused by the shutdown worker\nthread sleeping on the wait_event call, which blocks other work\nitems in the queue. Fix this by changing wait_event to\nwait_event timeout, and looping until the wait check succeeds."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rds/ib_cm.c"], "versions": [{"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "b3621acf640e32dcb986d9b3767f2387f29dad05", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "ac0bc28da5150c4fa81a76172fff5ec70f2063eb", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "934a6381c79d815680c955d676791322e020bfda", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "07a348d48e589b91a0d5a5cfa0de137cc703fabf", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "db22e77df66353f1299153f6fa9620a2825bc63f", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "caa51e6da596ed6008cd06605a725568b8e7be4e", "status": "affected", "versionType": "git"}, {"version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "lessThan": "16f48efaeb6991193fb7775c577f06f5b20b0c90", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rds/ib_cm.c"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "2.6.30", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b3621acf640e32dcb986d9b3767f2387f29dad05"}, {"url": "https://git.kernel.org/stable/c/ac0bc28da5150c4fa81a76172fff5ec70f2063eb"}, {"url": "https://git.kernel.org/stable/c/934a6381c79d815680c955d676791322e020bfda"}, {"url": "https://git.kernel.org/stable/c/07a348d48e589b91a0d5a5cfa0de137cc703fabf"}, {"url": "https://git.kernel.org/stable/c/db22e77df66353f1299153f6fa9620a2825bc63f"}, {"url": "https://git.kernel.org/stable/c/caa51e6da596ed6008cd06605a725568b8e7be4e"}, {"url": "https://git.kernel.org/stable/c/16f48efaeb6991193fb7775c577f06f5b20b0c90"}], "title": "net/rds: Don't sleep inside rds_ib_conn_path_shutdown", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/rds/ib_cm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b3621acf640e32dcb986d9b3767f2387f29dad05", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "ac0bc28da5150c4fa81a76172fff5ec70f2063eb", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "934a6381c79d815680c955d676791322e020bfda", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "07a348d48e589b91a0d5a5cfa0de137cc703fabf", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "db22e77df66353f1299153f6fa9620a2825bc63f", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "caa51e6da596ed6008cd06605a725568b8e7be4e", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}, {"lessThan": "16f48efaeb6991193fb7775c577f06f5b20b0c90", "status": "affected", "version": "ec16227e14141e4fd7ae76354c09dadfe2449d9e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/rds/ib_cm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.30"}, {"lessThan": "2.6.30", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: Don't sleep inside rds_ib_conn_path_shutdown\n\nNew rds rdma self tests exposed a hang when tearing down\nthe ib network configs. This is caused by the shutdown worker\nthread sleeping on the wait_event call, which blocks other work\nitems in the queue. Fix this by changing wait_event to\nwait_event timeout, and looping until the wait check succeeds."}], "id": "CVE-2026-97491", "lastModified": "2026-10-03T11:17:59.147", "metrics": {}, "published": "2026-09-24T17:17:26.720", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/07a348d48e589b91a0d5a5cfa0de137cc703fabf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16f48efaeb6991193fb7775c577f06f5b20b0c90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/934a6381c79d815680c955d676791322e020bfda"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac0bc28da5150c4fa81a76172fff5ec70f2063eb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3621acf640e32dcb986d9b3767f2387f29dad05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/caa51e6da596ed6008cd06605a725568b8e7be4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db22e77df66353f1299153f6fa9620a2825bc63f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net/rds: Don't sleep inside rds_ib_conn_path_shutdown", "id": "2540511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540511"}, "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:\nnet/rds: Don't sleep inside rds_ib_conn_path_shutdown\nNew rds rdma self tests exposed a hang when tearing down\nthe ib network configs. This is caused by the shutdown worker\nthread sleeping on the wait_event call, which blocks other work\nitems in the queue. Fix this by changing wait_event to\nwait_event timeout, and looping until the wait check succeeds.", "A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) subsystem. When tearing down InfiniBand network connection paths, a shutdown worker thread may sleep indefinitely while waiting for pending operations to finish, blocking other work items in the queue. This condition can lead to a thread hang, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-97491", "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": "Out of support scope", "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": "2026-09-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97491\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97491\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97491.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,db22e77df66353f1299153f6fa9620a2825bc63f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,caa51e6da596ed6008cd06605a725568b8e7be4e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,16f48efaeb6991193fb7775c577f06f5b20b0c90)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.111)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.53)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T01:45:16.946636+00:00", "updated": "2026-10-01T17:15:10.299012+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}