{"api_version":"1","generated_at":"2026-09-14T07:36:51+00:00","cve":"CVE-2026-89498","urls":{"html":"https://cve.report/CVE-2026-89498","api":"https://cve.report/api/cve/CVE-2026-89498.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89498","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89498"},"summary":{"title":"orangefs: fix double-free of trailer_buf on readdir copy failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: fix double-free of trailer_buf on readdir copy failure\n\nOn a readdir downcall, orangefs_devreq_write_iter() frees\nop->downcall.trailer_buf with vfree() when copy_from_iter_full() fails,\nbut does not clear the pointer before goto Efault. The waiter in\ndo_readdir() is then woken with a negative status and frees the same\npointer again on its r < 0 path, causing a deterministic double-free.\nA client holding /dev/pvfs2-req triggers it by sending a readdir\ndowncall whose declared trailer_size exceeds the bytes it supplies.\n\nClear the pointer after freeing so the readdir-side vfree() becomes a\nno-op.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:31","updated_at":"2026-09-11 20:19:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2f5454a25127854c232fde5d1d65d16fbcd42d43","name":"https://git.kernel.org/stable/c/2f5454a25127854c232fde5d1d65d16fbcd42d43","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/519f4146b8b8c5f20c2ad01913acd6df2df8fc8e","name":"https://git.kernel.org/stable/c/519f4146b8b8c5f20c2ad01913acd6df2df8fc8e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f796f38a324e89547738f4b70cc33be5be2bc6da","name":"https://git.kernel.org/stable/c/f796f38a324e89547738f4b70cc33be5be2bc6da","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f574296be7f46eb60beca851240b526df232f480","name":"https://git.kernel.org/stable/c/f574296be7f46eb60beca851240b526df232f480","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89498","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89498","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 382f4581e67f57209c7aa67e39f26ba076306a2e 2f5454a25127854c232fde5d1d65d16fbcd42d43 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 382f4581e67f57209c7aa67e39f26ba076306a2e f796f38a324e89547738f4b70cc33be5be2bc6da git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 382f4581e67f57209c7aa67e39f26ba076306a2e 519f4146b8b8c5f20c2ad01913acd6df2df8fc8e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 382f4581e67f57209c7aa67e39f26ba076306a2e f574296be7f46eb60beca851240b526df232f480 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89498","cve":"CVE-2026-89498","epss":"0.001680000","percentile":"0.063510000","score_date":"2026-09-13","updated_at":"2026-09-14 00:18:02"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/orangefs/devorangefs-req.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2f5454a25127854c232fde5d1d65d16fbcd42d43","status":"affected","version":"382f4581e67f57209c7aa67e39f26ba076306a2e","versionType":"git"},{"lessThan":"f796f38a324e89547738f4b70cc33be5be2bc6da","status":"affected","version":"382f4581e67f57209c7aa67e39f26ba076306a2e","versionType":"git"},{"lessThan":"519f4146b8b8c5f20c2ad01913acd6df2df8fc8e","status":"affected","version":"382f4581e67f57209c7aa67e39f26ba076306a2e","versionType":"git"},{"lessThan":"f574296be7f46eb60beca851240b526df232f480","status":"affected","version":"382f4581e67f57209c7aa67e39f26ba076306a2e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/orangefs/devorangefs-req.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.109","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: fix double-free of trailer_buf on readdir copy failure\n\nOn a readdir downcall, orangefs_devreq_write_iter() frees\nop->downcall.trailer_buf with vfree() when copy_from_iter_full() fails,\nbut does not clear the pointer before goto Efault. The waiter in\ndo_readdir() is then woken with a negative status and frees the same\npointer again on its r < 0 path, causing a deterministic double-free.\nA client holding /dev/pvfs2-req triggers it by sending a readdir\ndowncall whose declared trailer_size exceeds the bytes it supplies.\n\nClear the pointer after freeing so the readdir-side vfree() becomes a\nno-op."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:43:48.096Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2f5454a25127854c232fde5d1d65d16fbcd42d43"},{"url":"https://git.kernel.org/stable/c/f796f38a324e89547738f4b70cc33be5be2bc6da"},{"url":"https://git.kernel.org/stable/c/519f4146b8b8c5f20c2ad01913acd6df2df8fc8e"},{"url":"https://git.kernel.org/stable/c/f574296be7f46eb60beca851240b526df232f480"}],"title":"orangefs: fix double-free of trailer_buf on readdir copy failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89498","datePublished":"2026-09-11T19:43:48.096Z","dateReserved":"2026-09-11T19:38:34.714Z","dateUpdated":"2026-09-11T19:43:48.096Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:31","lastModifiedDate":"2026-09-11 20:19:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89498","Ordinal":"1","Title":"orangefs: fix double-free of trailer_buf on readdir copy failure","CVE":"CVE-2026-89498","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89498","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: fix double-free of trailer_buf on readdir copy failure\n\nOn a readdir downcall, orangefs_devreq_write_iter() frees\nop->downcall.trailer_buf with vfree() when copy_from_iter_full() fails,\nbut does not clear the pointer before goto Efault. The waiter in\ndo_readdir() is then woken with a negative status and frees the same\npointer again on its r < 0 path, causing a deterministic double-free.\nA client holding /dev/pvfs2-req triggers it by sending a readdir\ndowncall whose declared trailer_size exceeds the bytes it supplies.\n\nClear the pointer after freeing so the readdir-side vfree() becomes a\nno-op.","Type":"Description","Title":"orangefs: fix double-free of trailer_buf on readdir copy failure"}]}}}