{"api_version":"1","generated_at":"2026-09-25T13:40:18+00:00","cve":"CVE-2026-97954","urls":{"html":"https://cve.report/CVE-2026-97954","api":"https://cve.report/api/cve/CVE-2026-97954.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97954","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97954"},"summary":{"title":"net/rds: fix tcp stream corruption with large pages","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:23","updated_at":"2026-09-25 11:17:23"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f4649a716be20ef9272f97a166dea1825ba5b554","name":"https://git.kernel.org/stable/c/f4649a716be20ef9272f97a166dea1825ba5b554","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ac09b5353fe6858411fdc8c6efa60d832e20f13","name":"https://git.kernel.org/stable/c/2ac09b5353fe6858411fdc8c6efa60d832e20f13","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ef3565a418b8309589fe9b5df098a892c9146b06","name":"https://git.kernel.org/stable/c/ef3565a418b8309589fe9b5df098a892c9146b06","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8cbfeb54bf781d9693778aaba133bb58c0285332","name":"https://git.kernel.org/stable/c/8cbfeb54bf781d9693778aaba133bb58c0285332","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97954","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97954","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7875e18e09961d29f30424c5e2e48e704dc3789b ef3565a418b8309589fe9b5df098a892c9146b06 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7875e18e09961d29f30424c5e2e48e704dc3789b 8cbfeb54bf781d9693778aaba133bb58c0285332 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7875e18e09961d29f30424c5e2e48e704dc3789b f4649a716be20ef9272f97a166dea1825ba5b554 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7875e18e09961d29f30424c5e2e48e704dc3789b 2ac09b5353fe6858411fdc8c6efa60d832e20f13 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.30","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.30 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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":"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":"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-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"2.6.30","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"2.6.30","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"2.6.30","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"2.6.30","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:01.364Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ef3565a418b8309589fe9b5df098a892c9146b06"},{"url":"https://git.kernel.org/stable/c/8cbfeb54bf781d9693778aaba133bb58c0285332"},{"url":"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97954","datePublished":"2026-09-25T10:23:01.364Z","dateReserved":"2026-09-25T10:18:58.205Z","dateUpdated":"2026-09-25T10:23:01.364Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:23","lastModifiedDate":"2026-09-25 11:17:23","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97954","Ordinal":"1","Title":"net/rds: fix tcp stream corruption with large pages","CVE":"CVE-2026-97954","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97954","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"net/rds: fix tcp stream corruption with large pages"}]}}}