{"api_version":"1","generated_at":"2026-08-16T20:16:45+00:00","cve":"CVE-2026-72037","urls":{"html":"https://cve.report/CVE-2026-72037","api":"https://cve.report/api/cve/CVE-2026-72037.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72037","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72037"},"summary":{"title":"net: lan743x: Initialize eth_syslock spinlock before use","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan743x: Initialize eth_syslock spinlock before use\n\nlan743x_hardware_init() calls pci11x1x_strap_get_status() during the\nPCI11x1x probe sequence. That helper acquires the Ethernet subsystem\nhardware lock via lan743x_hs_syslock_acquire(), which relies on\nadapter->eth_syslock_spinlock to serialize access.\n\nThe spinlock is currently initialized only after the strap status is\nread. With CONFIG_DEBUG_SPINLOCK enabled, taking the zeroed initialized\nspinlock can trip the spinlock debug check.\n\nFix by initializing adapter->eth_syslock_spinlock before reading the\nstrap status so the probe path never attempts to lock an uninitialized\nspinlock.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:12","updated_at":"2026-08-15 06:21:12"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b6a93a42e0e61f0ba0005a942ee3bffb16c0574e","name":"https://git.kernel.org/stable/c/b6a93a42e0e61f0ba0005a942ee3bffb16c0574e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/99a6f37b113c46815deb160c5012073563679ef4","name":"https://git.kernel.org/stable/c/99a6f37b113c46815deb160c5012073563679ef4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/39139b1c1c2b614096519b526112c726adb12ff0","name":"https://git.kernel.org/stable/c/39139b1c1c2b614096519b526112c726adb12ff0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6523daa6852b1bfef32ec7a105b0217e8a115687","name":"https://git.kernel.org/stable/c/6523daa6852b1bfef32ec7a105b0217e8a115687","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dfaefd9a7808736fcd2ed0de108f55c4badc15cc","name":"https://git.kernel.org/stable/c/dfaefd9a7808736fcd2ed0de108f55c4badc15cc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b99e890e6b32ffa11c145a16fefcf2c7137a9578","name":"https://git.kernel.org/stable/c/b99e890e6b32ffa11c145a16fefcf2c7137a9578","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72037","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72037","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 dfaefd9a7808736fcd2ed0de108f55c4badc15cc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 6523daa6852b1bfef32ec7a105b0217e8a115687 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 b6a93a42e0e61f0ba0005a942ee3bffb16c0574e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 99a6f37b113c46815deb160c5012073563679ef4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 b99e890e6b32ffa11c145a16fefcf2c7137a9578 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 46b777ad9a8c269113634cee6a380bc4e53f3964 39139b1c1c2b614096519b526112c726adb12ff0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 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-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72037","cve":"CVE-2026-72037","epss":"0.002050000","percentile":"0.108570000","score_date":"2026-08-15","updated_at":"2026-08-16 00:00:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/microchip/lan743x_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"dfaefd9a7808736fcd2ed0de108f55c4badc15cc","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"},{"lessThan":"6523daa6852b1bfef32ec7a105b0217e8a115687","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"},{"lessThan":"b6a93a42e0e61f0ba0005a942ee3bffb16c0574e","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"},{"lessThan":"99a6f37b113c46815deb160c5012073563679ef4","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"},{"lessThan":"b99e890e6b32ffa11c145a16fefcf2c7137a9578","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"},{"lessThan":"39139b1c1c2b614096519b526112c726adb12ff0","status":"affected","version":"46b777ad9a8c269113634cee6a380bc4e53f3964","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/microchip/lan743x_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","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-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc2","versionStartIncluding":"6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan743x: Initialize eth_syslock spinlock before use\n\nlan743x_hardware_init() calls pci11x1x_strap_get_status() during the\nPCI11x1x probe sequence. That helper acquires the Ethernet subsystem\nhardware lock via lan743x_hs_syslock_acquire(), which relies on\nadapter->eth_syslock_spinlock to serialize access.\n\nThe spinlock is currently initialized only after the strap status is\nread. With CONFIG_DEBUG_SPINLOCK enabled, taking the zeroed initialized\nspinlock can trip the spinlock debug check.\n\nFix by initializing adapter->eth_syslock_spinlock before reading the\nstrap status so the probe path never attempts to lock an uninitialized\nspinlock."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:51:57.745Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dfaefd9a7808736fcd2ed0de108f55c4badc15cc"},{"url":"https://git.kernel.org/stable/c/6523daa6852b1bfef32ec7a105b0217e8a115687"},{"url":"https://git.kernel.org/stable/c/b6a93a42e0e61f0ba0005a942ee3bffb16c0574e"},{"url":"https://git.kernel.org/stable/c/99a6f37b113c46815deb160c5012073563679ef4"},{"url":"https://git.kernel.org/stable/c/b99e890e6b32ffa11c145a16fefcf2c7137a9578"},{"url":"https://git.kernel.org/stable/c/39139b1c1c2b614096519b526112c726adb12ff0"}],"title":"net: lan743x: Initialize eth_syslock spinlock before use","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72037","datePublished":"2026-08-15T05:51:57.745Z","dateReserved":"2026-08-09T03:40:39.901Z","dateUpdated":"2026-08-15T05:51:57.745Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:12","lastModifiedDate":"2026-08-15 06:21:12","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72037","Ordinal":"1","Title":"net: lan743x: Initialize eth_syslock spinlock before use","CVE":"CVE-2026-72037","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72037","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan743x: Initialize eth_syslock spinlock before use\n\nlan743x_hardware_init() calls pci11x1x_strap_get_status() during the\nPCI11x1x probe sequence. That helper acquires the Ethernet subsystem\nhardware lock via lan743x_hs_syslock_acquire(), which relies on\nadapter->eth_syslock_spinlock to serialize access.\n\nThe spinlock is currently initialized only after the strap status is\nread. With CONFIG_DEBUG_SPINLOCK enabled, taking the zeroed initialized\nspinlock can trip the spinlock debug check.\n\nFix by initializing adapter->eth_syslock_spinlock before reading the\nstrap status so the probe path never attempts to lock an uninitialized\nspinlock.","Type":"Description","Title":"net: lan743x: Initialize eth_syslock spinlock before use"}]}}}