CVE-2026-52989

{"id": "CVE-2026-52989", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1385be357e8acd09b36e026567f3a9d5c61139de", "lessThan": "3df42a854686fa06484e37ac1a3931c8e3e3453c", "versionType": "git"}, {"status": "affected", "version": "dca1a6ba0da9f472ef040525fab10fd9956db59f", "lessThan": "d7c8f95f599b3b38a717d2e771c3f8c174f657c3", "versionType": "git"}, {"status": "affected", "version": "19672ae68d52ff75347ebe2420dde1b07adca09f", "lessThan": "f9204a2b78dd18374d3bcf9bf93d9021ce22de1b", "versionType": "git"}, {"status": "affected", "version": "ab200d71553bdcf4de554a5985b05b2dd606bc57", "lessThan": "c2a11441538bdbbc5aa003f190995eba93a89b88", "versionType": "git"}, {"status": "affected", "version": "52a0a98549344ca20ad81a4176d68d28e3c05a5c", "lessThan": "046fa5c72d15cd8e2d592e275697ea399d8f76b0", "versionType": "git"}, {"status": "affected", "version": "52a0a98549344ca20ad81a4176d68d28e3c05a5c", "lessThan": "ea8e356acb165cb1fd75537a52e1f66e5e76c538", "versionType": "git"}, {"status": "affected", "version": "043b4307a99f902697349128fde93b2ddde4686c", "versionType": "git"}, {"status": "affected", "version": "42afe8ed8ad2de9c19457156244ef3e1eca94b5d", "versionType": "git"}, {"status": "affected", "version": "6.1.163", "lessThan": "6.1.175", "versionType": "semver"}, {"status": "affected", "version": "6.6.124", "lessThan": "6.6.141", "versionType": "semver"}, {"status": "affected", "version": "6.12.70", "lessThan": "6.12.91", "versionType": "semver"}, {"status": "affected", "version": "6.18.10", "lessThan": "6.18.33", "versionType": "semver"}, {"status": "affected", "version": "5.10.250", "lessThan": "5.11", "versionType": "semver"}, {"status": "affected", "version": "5.15.200", "lessThan": "5.16", "versionType": "semver"}], "programFiles": ["drivers/nvme/target/tcp.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"status": "unaffected", "version": "0", "lessThan": "6.19", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.141", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.91", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.33", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.10", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/nvme/target/tcp.c"], "defaultStatus": "affected"}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "packageName": "kernel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "kernel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "kernel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "kernel-rt", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "kernel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "kernel-rt", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "kernel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "kernel-rt", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-06-24T17:17:09.707", "references": [{"url": "https://git.kernel.org/stable/c/046fa5c72d15cd8e2d592e275697ea399d8f76b0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3df42a854686fa06484e37ac1a3931c8e3e3453c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c2a11441538bdbbc5aa003f190995eba93a89b88", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d7c8f95f599b3b38a717d2e771c3f8c174f657c3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ea8e356acb165cb1fd75537a52e1f66e5e76c538", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f9204a2b78dd18374d3bcf9bf93d9021ce22de1b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-52989", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492443", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52989.json", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-908"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-390"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: propagate nvmet_tcp_build_pdu_iovec() errors to its callers\n\nCurrently, when nvmet_tcp_build_pdu_iovec() detects an out-of-bounds\nPDU length or offset, it triggers nvmet_tcp_fatal_error(cmd->queue)\nand returns early. However, because the function returns void, the\ncallers are entirely unaware that a fatal error has occurred and\nthat the cmd->recv_msg.msg_iter was left uninitialized.\n\nCallers such as nvmet_tcp_handle_h2c_data_pdu() proceed to blindly\noverwrite the queue state with queue->rcv_state = NVMET_TCP_RECV_DATA\nConsequently, the socket receiving loop may attempt to read incoming\nnetwork data into the uninitialized iterator.\n\nFix this by shifting the error handling responsibility to the callers."}], "lastModified": "2026-08-21T13:18:17.153", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03CC09DC-A37A-4EB7-BC2F-639C923F6246", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.250"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4948ADE9-2065-4855-AB8C-4A7AEFAAEA32", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.200"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F5703F2-6A3A-4A3D-938A-1BE19D099B16", "versionEndExcluding": "6.1.175", "versionStartIncluding": "6.1.163"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6185AA9-B10A-4818-99E0-F4A4E4101E9E", "versionEndExcluding": "6.6.141", "versionStartIncluding": "6.6.124"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67ED510F-F54F-43D1-A8FF-3F75BB4ACD27", "versionEndExcluding": "6.12.91", "versionStartIncluding": "6.12.70"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30B93E4E-C2D9-4994-8883-3C456D42A9CD", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.18.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "375A98F6-3A9A-4B17-8719-E8CF2E8DA08B", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "35C8A871-4971-433E-A046-FC9F7B7D190A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}