{"api_version":"1","generated_at":"2026-07-20T14:41:59+00:00","cve":"CVE-2026-64147","urls":{"html":"https://cve.report/CVE-2026-64147","api":"https://cve.report/api/cve/CVE-2026-64147.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64147","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64147"},"summary":{"title":"pds_core: fix debugfs_lookup dentry leak and error handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix debugfs_lookup dentry leak and error handling\n\ndebugfs_lookup() returns a dentry with an elevated reference count that\nmust be released with dput(). The current code discards the returned\ndentry without calling dput(), causing a reference leak on every\nfirmware reset recovery.\n\nAdditionally, when CONFIG_DEBUG_FS is disabled, debugfs_lookup()\nreturns ERR_PTR(-ENODEV), not NULL. The current check passes for error\npointers and would call dput() on an invalid pointer, causing a crash.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:56","updated_at":"2026-07-19 16:17:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32","name":"https://git.kernel.org/stable/c/d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/60ef1675b652e912f3eb064767af4432393291fd","name":"https://git.kernel.org/stable/c/60ef1675b652e912f3eb064767af4432393291fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dc416e32baaeb620b9809e9e25fc7b30889686e9","name":"https://git.kernel.org/stable/c/dc416e32baaeb620b9809e9e25fc7b30889686e9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/91d13e92b983e6c6d7631012c2e20ae8057de9f2","name":"https://git.kernel.org/stable/c/91d13e92b983e6c6d7631012c2e20ae8057de9f2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26e19622c485e53c3fdb299e822068a0542ddf0c","name":"https://git.kernel.org/stable/c/26e19622c485e53c3fdb299e822068a0542ddf0c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64147","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64147","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2bbf2b1c20f934a054172175ccbabcc01fe69ef6 60ef1675b652e912f3eb064767af4432393291fd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bc90fbe0c3182157d2be100a2f6c2edbb1820677 26e19622c485e53c3fdb299e822068a0542ddf0c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bc90fbe0c3182157d2be100a2f6c2edbb1820677 91d13e92b983e6c6d7631012c2e20ae8057de9f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bc90fbe0c3182157d2be100a2f6c2edbb1820677 d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bc90fbe0c3182157d2be100a2f6c2edbb1820677 dc416e32baaeb620b9809e9e25fc7b30889686e9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3ffe14c36985e3174933127c9efad82ac8f3fefb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.16 6.6.142 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7.4 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.142 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.92 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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":["drivers/net/ethernet/amd/pds_core/debugfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"60ef1675b652e912f3eb064767af4432393291fd","status":"affected","version":"2bbf2b1c20f934a054172175ccbabcc01fe69ef6","versionType":"git"},{"lessThan":"26e19622c485e53c3fdb299e822068a0542ddf0c","status":"affected","version":"bc90fbe0c3182157d2be100a2f6c2edbb1820677","versionType":"git"},{"lessThan":"91d13e92b983e6c6d7631012c2e20ae8057de9f2","status":"affected","version":"bc90fbe0c3182157d2be100a2f6c2edbb1820677","versionType":"git"},{"lessThan":"d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32","status":"affected","version":"bc90fbe0c3182157d2be100a2f6c2edbb1820677","versionType":"git"},{"lessThan":"dc416e32baaeb620b9809e9e25fc7b30889686e9","status":"affected","version":"bc90fbe0c3182157d2be100a2f6c2edbb1820677","versionType":"git"},{"status":"affected","version":"3ffe14c36985e3174933127c9efad82ac8f3fefb","versionType":"git"},{"lessThan":"6.6.142","status":"affected","version":"6.6.16","versionType":"semver"},{"lessThan":"6.8","status":"affected","version":"6.7.4","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/amd/pds_core/debugfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.142","versionStartIncluding":"6.6.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix debugfs_lookup dentry leak and error handling\n\ndebugfs_lookup() returns a dentry with an elevated reference count that\nmust be released with dput(). The current code discards the returned\ndentry without calling dput(), causing a reference leak on every\nfirmware reset recovery.\n\nAdditionally, when CONFIG_DEBUG_FS is disabled, debugfs_lookup()\nreturns ERR_PTR(-ENODEV), not NULL. The current check passes for error\npointers and would call dput() on an invalid pointer, causing a crash."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:40:38.198Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/60ef1675b652e912f3eb064767af4432393291fd"},{"url":"https://git.kernel.org/stable/c/26e19622c485e53c3fdb299e822068a0542ddf0c"},{"url":"https://git.kernel.org/stable/c/91d13e92b983e6c6d7631012c2e20ae8057de9f2"},{"url":"https://git.kernel.org/stable/c/d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32"},{"url":"https://git.kernel.org/stable/c/dc416e32baaeb620b9809e9e25fc7b30889686e9"}],"title":"pds_core: fix debugfs_lookup dentry leak and error handling","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64147","datePublished":"2026-07-19T15:40:38.198Z","dateReserved":"2026-07-19T07:54:57.037Z","dateUpdated":"2026-07-19T15:40:38.198Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:56","lastModifiedDate":"2026-07-19 16:17:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64147","Ordinal":"1","Title":"pds_core: fix debugfs_lookup dentry leak and error handling","CVE":"CVE-2026-64147","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64147","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix debugfs_lookup dentry leak and error handling\n\ndebugfs_lookup() returns a dentry with an elevated reference count that\nmust be released with dput(). The current code discards the returned\ndentry without calling dput(), causing a reference leak on every\nfirmware reset recovery.\n\nAdditionally, when CONFIG_DEBUG_FS is disabled, debugfs_lookup()\nreturns ERR_PTR(-ENODEV), not NULL. The current check passes for error\npointers and would call dput() on an invalid pointer, causing a crash.","Type":"Description","Title":"pds_core: fix debugfs_lookup dentry leak and error handling"}]}}}