{"api_version":"1","generated_at":"2026-08-18T00:15:15+00:00","cve":"CVE-2026-72023","urls":{"html":"https://cve.report/CVE-2026-72023","api":"https://cve.report/api/cve/CVE-2026-72023.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72023","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72023"},"summary":{"title":"octeontx2-pf: fix SQB pointer leak on init failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: fix SQB pointer leak on init failure\n\notx2_init_hw_resources() initializes SQ aura and pool resources before\nseveral later setup steps. On failure, err_free_sq_ptrs only frees SQB\npages, leaving the per-SQ sqb_ptrs arrays behind.\n\nUse otx2_free_sq_res() for the SQ unwind path and let it free sqb_ptrs\neven when sq->sqe has not been allocated yet.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1.1.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have an\nOcteonTX2 PF device and the corresponding AF mailbox setup to test with,\nno runtime testing was able to be performed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:01","updated_at":"2026-08-17 06:17:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/62e7df6d042aeebd5efb581074e28865c04477be","name":"https://git.kernel.org/stable/c/62e7df6d042aeebd5efb581074e28865c04477be","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5e023fe2569e630ba23b5558ebe4bf4837af4d16","name":"https://git.kernel.org/stable/c/5e023fe2569e630ba23b5558ebe4bf4837af4d16","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5df30f05db96552903680a17f858d250dfd9e86e","name":"https://git.kernel.org/stable/c/5df30f05db96552903680a17f858d250dfd9e86e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23d917acd9c9a9fd999688ec3fdde7aa58ab8a14","name":"https://git.kernel.org/stable/c/23d917acd9c9a9fd999688ec3fdde7aa58ab8a14","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/148d7ec0a3a98839c320e6cdd112e2e88bfb091b","name":"https://git.kernel.org/stable/c/148d7ec0a3a98839c320e6cdd112e2e88bfb091b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72023","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72023","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected caa2da34fd25a37e9fd43343b6966fb9d730a6d5 148d7ec0a3a98839c320e6cdd112e2e88bfb091b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected caa2da34fd25a37e9fd43343b6966fb9d730a6d5 5e023fe2569e630ba23b5558ebe4bf4837af4d16 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected caa2da34fd25a37e9fd43343b6966fb9d730a6d5 5df30f05db96552903680a17f858d250dfd9e86e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected caa2da34fd25a37e9fd43343b6966fb9d730a6d5 23d917acd9c9a9fd999688ec3fdde7aa58ab8a14 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected caa2da34fd25a37e9fd43343b6966fb9d730a6d5 62e7df6d042aeebd5efb581074e28865c04477be git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72023","cve":"CVE-2026-72023","epss":"0.002000000","percentile":"0.101660000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"148d7ec0a3a98839c320e6cdd112e2e88bfb091b","status":"affected","version":"caa2da34fd25a37e9fd43343b6966fb9d730a6d5","versionType":"git"},{"lessThan":"5e023fe2569e630ba23b5558ebe4bf4837af4d16","status":"affected","version":"caa2da34fd25a37e9fd43343b6966fb9d730a6d5","versionType":"git"},{"lessThan":"5df30f05db96552903680a17f858d250dfd9e86e","status":"affected","version":"caa2da34fd25a37e9fd43343b6966fb9d730a6d5","versionType":"git"},{"lessThan":"23d917acd9c9a9fd999688ec3fdde7aa58ab8a14","status":"affected","version":"caa2da34fd25a37e9fd43343b6966fb9d730a6d5","versionType":"git"},{"lessThan":"62e7df6d042aeebd5efb581074e28865c04477be","status":"affected","version":"caa2da34fd25a37e9fd43343b6966fb9d730a6d5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: fix SQB pointer leak on init failure\n\notx2_init_hw_resources() initializes SQ aura and pool resources before\nseveral later setup steps. On failure, err_free_sq_ptrs only frees SQB\npages, leaving the per-SQ sqb_ptrs arrays behind.\n\nUse otx2_free_sq_res() for the SQ unwind path and let it free sqb_ptrs\neven when sq->sqe has not been allocated yet.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1.1.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have an\nOcteonTX2 PF device and the corresponding AF mailbox setup to test with,\nno runtime testing was able to be performed."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:06:46.378Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/148d7ec0a3a98839c320e6cdd112e2e88bfb091b"},{"url":"https://git.kernel.org/stable/c/5e023fe2569e630ba23b5558ebe4bf4837af4d16"},{"url":"https://git.kernel.org/stable/c/5df30f05db96552903680a17f858d250dfd9e86e"},{"url":"https://git.kernel.org/stable/c/23d917acd9c9a9fd999688ec3fdde7aa58ab8a14"},{"url":"https://git.kernel.org/stable/c/62e7df6d042aeebd5efb581074e28865c04477be"}],"title":"octeontx2-pf: fix SQB pointer leak on init failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72023","datePublished":"2026-08-15T05:51:48.629Z","dateReserved":"2026-08-09T03:40:39.900Z","dateUpdated":"2026-08-17T05:06:46.378Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:01","lastModifiedDate":"2026-08-17 06:17:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72023","Ordinal":"1","Title":"octeontx2-pf: fix SQB pointer leak on init failure","CVE":"CVE-2026-72023","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72023","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: fix SQB pointer leak on init failure\n\notx2_init_hw_resources() initializes SQ aura and pool resources before\nseveral later setup steps. On failure, err_free_sq_ptrs only frees SQB\npages, leaving the per-SQ sqb_ptrs arrays behind.\n\nUse otx2_free_sq_res() for the SQ unwind path and let it free sqb_ptrs\neven when sq->sqe has not been allocated yet.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1.1.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have an\nOcteonTX2 PF device and the corresponding AF mailbox setup to test with,\nno runtime testing was able to be performed.","Type":"Description","Title":"octeontx2-pf: fix SQB pointer leak on init failure"}]}}}