{"api_version":"1","generated_at":"2026-06-25T21:01:48+00:00","cve":"CVE-2026-52967","urls":{"html":"https://cve.report/CVE-2026-52967","api":"https://cve.report/api/cve/CVE-2026-52967.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52967","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52967"},"summary":{"title":"smb/client: fix possible infinite loop and oob read in symlink_data()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: fix possible infinite loop and oob read in symlink_data()\n\nOn 32-bit architectures, the infinite loop is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff8\n  u8 *next = p->ErrorContextData + len\n  next == p\n\nOn 32-bit architectures, the out-of-bounds read is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff0\n  u8 *next = p->ErrorContextData + len\n  next == (u8 *)p - 8","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:07","updated_at":"2026-06-24 17:17:07"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1b9331b16b0ed9414dcf7583d8134bdfeb117aae","name":"https://git.kernel.org/stable/c/1b9331b16b0ed9414dcf7583d8134bdfeb117aae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b41598bf54b3fe528994e573df6008f8f4d0a4f4","name":"https://git.kernel.org/stable/c/b41598bf54b3fe528994e573df6008f8f4d0a4f4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb","name":"https://git.kernel.org/stable/c/97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7d9a7f1f96cd617ee9e75bb22217c709038e26b8","name":"https://git.kernel.org/stable/c/7d9a7f1f96cd617ee9e75bb22217c709038e26b8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1cfa2d59f669db28d6292d10ff87ca6837c781b0","name":"https://git.kernel.org/stable/c/1cfa2d59f669db28d6292d10ff87ca6837c781b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23","name":"https://git.kernel.org/stable/c/cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52967","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52967","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 1cfa2d59f669db28d6292d10ff87ca6837c781b0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 b41598bf54b3fe528994e573df6008f8f4d0a4f4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 1b9331b16b0ed9414dcf7583d8134bdfeb117aae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 76894f3e2f71177747b8b4763fb180e800279585 7d9a7f1f96cd617ee9e75bb22217c709038e26b8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2d046892a493d9760c35fdaefc3017f27f91b621 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0.16 6.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 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":["fs/smb/client/smb2file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1cfa2d59f669db28d6292d10ff87ca6837c781b0","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"lessThan":"b41598bf54b3fe528994e573df6008f8f4d0a4f4","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"lessThan":"cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"lessThan":"97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"lessThan":"1b9331b16b0ed9414dcf7583d8134bdfeb117aae","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"lessThan":"7d9a7f1f96cd617ee9e75bb22217c709038e26b8","status":"affected","version":"76894f3e2f71177747b8b4763fb180e800279585","versionType":"git"},{"status":"affected","version":"2d046892a493d9760c35fdaefc3017f27f91b621","versionType":"git"},{"lessThan":"6.1","status":"affected","version":"6.0.16","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smb2file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.1"},{"lessThan":"6.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","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":"6.1.175","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: fix possible infinite loop and oob read in symlink_data()\n\nOn 32-bit architectures, the infinite loop is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff8\n  u8 *next = p->ErrorContextData + len\n  next == p\n\nOn 32-bit architectures, the out-of-bounds read is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff0\n  u8 *next = p->ErrorContextData + len\n  next == (u8 *)p - 8"}],"providerMetadata":{"dateUpdated":"2026-06-24T16:28:46.661Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1cfa2d59f669db28d6292d10ff87ca6837c781b0"},{"url":"https://git.kernel.org/stable/c/b41598bf54b3fe528994e573df6008f8f4d0a4f4"},{"url":"https://git.kernel.org/stable/c/cd4b9b662f0fb9aa97ee6bf9034eca76fc6cab23"},{"url":"https://git.kernel.org/stable/c/97a05b0ae9ea5ec052be2eef0f9cc7ce03501bbb"},{"url":"https://git.kernel.org/stable/c/1b9331b16b0ed9414dcf7583d8134bdfeb117aae"},{"url":"https://git.kernel.org/stable/c/7d9a7f1f96cd617ee9e75bb22217c709038e26b8"}],"title":"smb/client: fix possible infinite loop and oob read in symlink_data()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52967","datePublished":"2026-06-24T16:28:46.661Z","dateReserved":"2026-06-09T07:44:35.374Z","dateUpdated":"2026-06-24T16:28:46.661Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:07","lastModifiedDate":"2026-06-24 17:17:07","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52967","Ordinal":"1","Title":"smb/client: fix possible infinite loop and oob read in symlink_d","CVE":"CVE-2026-52967","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52967","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: fix possible infinite loop and oob read in symlink_data()\n\nOn 32-bit architectures, the infinite loop is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff8\n  u8 *next = p->ErrorContextData + len\n  next == p\n\nOn 32-bit architectures, the out-of-bounds read is as follows:\n\n  len = p->ErrorDataLength == 0xfffffff0\n  u8 *next = p->ErrorContextData + len\n  next == (u8 *)p - 8","Type":"Description","Title":"smb/client: fix possible infinite loop and oob read in symlink_d"}]}}}