{"id":"CVE-2026-98486","aliases":[],"cve":{"records":[{"id":"CVE-2026-98486","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.352Z","published":"2026-10-18T15:16:03.002Z","modified":"2026-10-30T12:38:16.404Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:38:16.404Z"}],"references":[{"url":"https://git.kernel.org/stable/c/9de940a3c5731be5a544f6f366576cc4dc073f7c","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/4b90112826439149dcee20e73d02f25ae0e2a9fb","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/0d31edc7ff1f7f265c11248819dfaf5a8274b209","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/a0f5fd7a285f44fa402242f26feddfe1d4a0fc6c","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/7bd3e9a2d0c288e54f51df260d9433163f5fbc1e","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/30ff01b4c7e419bb70f40f01dcd7f6af680808b3","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/47785f9f638b064ce6e32e8e3b6f1ffd83849fc2","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/9476b4468862927297c94c440863cd8ed1e7cc83","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"7.3"}]}]}]}],"prioritization":[]},"title":"net: ena: fix MMIO read buffer leak on probe failure","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ena: fix MMIO read buffer leak on probe failure\n\nena_device_init() initializes the MMIO read mechanism with\nena_com_mmio_reg_read_request_init(), which allocates a coherent DMA\nbuffer for MMIO read responses.\n\nThe normal removal path releases this buffer through\nena_com_mmio_reg_read_request_destroy(). However, if ena_probe() fails\nafter ena_device_init() succeeds, the error path destroys the admin\nresources and eventually frees ena_dev without destroying the MMIO read\nrequest, leaving the coherent DMA buffer allocated.\n\nCall ena_com_mmio_reg_read_request_destroy() in the probe error path\nbefore releasing the remaining device resources.\n\nThis issue was found by manual code inspection.","score":null,"severity":"unknown","published":"2026-10-18T15:16:03.002Z","modified":"2026-10-30T12:38:16.404Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"9de940a3c5731be5a544f6f366576cc4dc073f7c","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"4b90112826439149dcee20e73d02f25ae0e2a9fb","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"0d31edc7ff1f7f265c11248819dfaf5a8274b209","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"a0f5fd7a285f44fa402242f26feddfe1d4a0fc6c","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"7bd3e9a2d0c288e54f51df260d9433163f5fbc1e","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"30ff01b4c7e419bb70f40f01dcd7f6af680808b3","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"47785f9f638b064ce6e32e8e3b6f1ffd83849fc2","versionType":"git"},{"version":"1738cd3ed342294360d6a74d4e58800004bff854","status":"affected","lessThan":"9476b4468862927297c94c440863cd8ed1e7cc83","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98486"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98486"}],"remediation":[],"references":["https://git.kernel.org/stable/c/9de940a3c5731be5a544f6f366576cc4dc073f7c","https://git.kernel.org/stable/c/4b90112826439149dcee20e73d02f25ae0e2a9fb","https://git.kernel.org/stable/c/0d31edc7ff1f7f265c11248819dfaf5a8274b209","https://git.kernel.org/stable/c/a0f5fd7a285f44fa402242f26feddfe1d4a0fc6c","https://git.kernel.org/stable/c/7bd3e9a2d0c288e54f51df260d9433163f5fbc1e","https://git.kernel.org/stable/c/30ff01b4c7e419bb70f40f01dcd7f6af680808b3","https://git.kernel.org/stable/c/47785f9f638b064ce6e32e8e3b6f1ffd83849fc2","https://git.kernel.org/stable/c/9476b4468862927297c94c440863cd8ed1e7cc83"],"sources":[{"name":"CVE","id":"CVE-2026-98486","modified":"2026-10-30T12:38:16.404Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-98486"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T14:01:34.842Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:35:33.875Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}