CVE-2026-97954

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97954", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.205Z", "datePublished": "2026-09-25T10:23:01.364Z", "dateUpdated": "2026-10-19T09:11:20.455Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:11:20.455Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: fix tcp stream corruption with large pages\n\nrds_message_map_pages() assigns PAGE_SIZE bytes to every\nscatterlist entry, even when total_len ends in a partial page. The RDS\ncongestion map is defined as 8192 bytes, so on systems with PAGE_SIZE\ngreater than 8192 the scatterlist maps bytes beyond the end of the\ncongestion map. RDS-TCP transmits the SG contents according to those\nlengths, so the extra bytes become part of the TCP RDS stream and are\ninterpreted as subsequent RDS message headers, corrupting the stream.\n\nLimit the final scatterlist mapping to the number of bytes remaining.\nThis has no effect on systems with a 4K page size and allows RDS-TCP to\nbe used on systems with 16K and larger page sizes.\n\nThe RDS selftest, which previously hung on 16K pages, now passes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rds/message.c"], "versions": [{"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "7d7705ce73eac1de1146706d887bc969a48ebb6d", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "3230961a72b312d0e47101d1428084d0a02bff52", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "ee74a4b42e3a2f9635ba376be9e58311322eebe4", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "348492de88bc6ea06b6f3dd544a7a00d908a807b", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "ef3565a418b8309589fe9b5df098a892c9146b06", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "8cbfeb54bf781d9693778aaba133bb58c0285332", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "f4649a716be20ef9272f97a166dea1825ba5b554", "status": "affected", "versionType": "git"}, {"version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "lessThan": "2ac09b5353fe6858411fdc8c6efa60d832e20f13", "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/message.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": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": 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"https://git.kernel.org/stable/c/f4649a716be20ef9272f97a166dea1825ba5b554"}, {"url": "https://git.kernel.org/stable/c/2ac09b5353fe6858411fdc8c6efa60d832e20f13"}], "title": "net/rds: fix tcp stream corruption with large pages", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/rds/message.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7d7705ce73eac1de1146706d887bc969a48ebb6d", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "3230961a72b312d0e47101d1428084d0a02bff52", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "ee74a4b42e3a2f9635ba376be9e58311322eebe4", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "348492de88bc6ea06b6f3dd544a7a00d908a807b", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "ef3565a418b8309589fe9b5df098a892c9146b06", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "8cbfeb54bf781d9693778aaba133bb58c0285332", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "f4649a716be20ef9272f97a166dea1825ba5b554", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}, {"lessThan": "2ac09b5353fe6858411fdc8c6efa60d832e20f13", "status": "affected", "version": "7875e18e09961d29f30424c5e2e48e704dc3789b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/rds/message.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": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: fix tcp stream corruption with large pages\n\nrds_message_map_pages() assigns PAGE_SIZE bytes to every\nscatterlist entry, even when total_len ends in a partial page. The RDS\ncongestion map is defined as 8192 bytes, so on systems with PAGE_SIZE\ngreater than 8192 the scatterlist maps bytes beyond the end of the\ncongestion map. RDS-TCP transmits the SG contents according to those\nlengths, so the extra bytes become part of the TCP RDS stream and are\ninterpreted as subsequent RDS message headers, corrupting the stream.\n\nLimit the final scatterlist mapping to the number of bytes remaining.\nThis has no effect on systems with a 4K page size and allows RDS-TCP to\nbe used on systems with 16K and larger page sizes.\n\nThe RDS selftest, which previously hung on 16K pages, now passes."}], "id": "CVE-2026-97954", "lastModified": "2026-10-19T10:17:46.700", "metrics": {}, "published": "2026-09-25T11:17:23.040", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ac09b5353fe6858411fdc8c6efa60d832e20f13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3230961a72b312d0e47101d1428084d0a02bff52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/348492de88bc6ea06b6f3dd544a7a00d908a807b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d7705ce73eac1de1146706d887bc969a48ebb6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8cbfeb54bf781d9693778aaba133bb58c0285332"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ee74a4b42e3a2f9635ba376be9e58311322eebe4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef3565a418b8309589fe9b5df098a892c9146b06"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4649a716be20ef9272f97a166dea1825ba5b554"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net/rds: fix tcp stream corruption with large pages", "id": "2541181", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541181"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/rds: fix tcp stream corruption with large pages\nrds_message_map_pages() assigns PAGE_SIZE bytes to every\nscatterlist entry, even when total_len ends in a partial page. The RDS\ncongestion map is defined as 8192 bytes, so on systems with PAGE_SIZE\ngreater than 8192 the scatterlist maps bytes beyond the end of the\ncongestion map. RDS-TCP transmits the SG contents according to those\nlengths, so the extra bytes become part of the TCP RDS stream and are\ninterpreted as subsequent RDS message headers, corrupting the stream.\nLimit the final scatterlist mapping to the number of bytes remaining.\nThis has no effect on systems with a 4K page size and allows RDS-TCP to\nbe used on systems with 16K and larger page sizes.\nThe RDS selftest, which previously hung on 16K pages, now passes.", "A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) subsystem. This vulnerability allows a network user to cause a Denial of Service (DoS) by corrupting TCP communication streams. On systems configured with memory page sizes larger than 8 KB, the kernel incorrectly calculates buffer lengths when mapping memory pages for RDS congestion maps. Consequently, extraneous bytes are transmitted across the network connection and misread as message headers, corrupting the stream and causing connections to hang."], "name": "CVE-2026-97954", "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": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97954\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97954\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97954.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7875e18e09961d29f30424c5e2e48e704dc3789b,ef3565a418b8309589fe9b5df098a892c9146b06)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7875e18e09961d29f30424c5e2e48e704dc3789b,8cbfeb54bf781d9693778aaba133bb58c0285332)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7875e18e09961d29f30424c5e2e48e704dc3789b,f4649a716be20ef9272f97a166dea1825ba5b554)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7875e18e09961d29f30424c5e2e48e704dc3789b,2ac09b5353fe6858411fdc8c6efa60d832e20f13)"}}], "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": "affected", "versions": {"scheme": "semver", "value": "2.6.30"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.30)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "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": "2026-09-25T18:30:17.212073+00:00", "updated": "2026-10-01T08:45:03.640938+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}