{"api_version":"1","generated_at":"2026-08-20T20:20:32+00:00","cve":"CVE-2026-68331","urls":{"html":"https://cve.report/CVE-2026-68331","api":"https://cve.report/api/cve/CVE-2026-68331.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68331","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68331"},"summary":{"title":"dpaa2-eth: put MAC endpoint device on disconnect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-eth: put MAC endpoint device on disconnect\n\nfsl_mc_get_endpoint() returns the MAC endpoint device with a reference\ntaken through device_find_child(). The Ethernet connect path stores that\ndevice in mac->mc_dev and keeps it for the lifetime of the connected MAC\nobject.\n\nHowever, the disconnect path only disconnects and closes the MAC before\nfreeing the dpaa2_mac object. It does not drop the endpoint device\nreference stored in mac->mc_dev, so every successful connect leaks that\ndevice reference when the MAC is later disconnected.\n\nDrop the endpoint device reference after closing the MAC and before\nfreeing the dpaa2_mac object.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:23","updated_at":"2026-08-19 17:20:43"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a3cecf169cc652b558d08661bb6ce55e4c933ec0","name":"https://git.kernel.org/stable/c/a3cecf169cc652b558d08661bb6ce55e4c933ec0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/915012e923316b8b5d5bf8fc771617b47bd7572d","name":"https://git.kernel.org/stable/c/915012e923316b8b5d5bf8fc771617b47bd7572d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e23e4a3b9dfd893469c731318d409cdf04fb1ddf","name":"https://git.kernel.org/stable/c/e23e4a3b9dfd893469c731318d409cdf04fb1ddf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1974127776da46a000c61f36d4946799ea6d4f51","name":"https://git.kernel.org/stable/c/1974127776da46a000c61f36d4946799ea6d4f51","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b4b201cc93ff70150853aba03e14d314d1980ca0","name":"https://git.kernel.org/stable/c/b4b201cc93ff70150853aba03e14d314d1980ca0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1","name":"https://git.kernel.org/stable/c/6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f112df0744e2d77baa68eeebb860021bbaaa022a","name":"https://git.kernel.org/stable/c/f112df0744e2d77baa68eeebb860021bbaaa022a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68331","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68331","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 1974127776da46a000c61f36d4946799ea6d4f51 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 915012e923316b8b5d5bf8fc771617b47bd7572d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 e23e4a3b9dfd893469c731318d409cdf04fb1ddf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 f112df0744e2d77baa68eeebb860021bbaaa022a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 a3cecf169cc652b558d08661bb6ce55e4c933ec0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 71947923089353f23f4f210864903c4dcf2c1696 b4b201cc93ff70150853aba03e14d314d1980ca0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.216 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.183 6.1.* 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 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 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":"68331","cve":"CVE-2026-68331","epss":"0.001680000","percentile":"0.065080000","score_date":"2026-08-19","updated_at":"2026-08-20 00:13:09"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"1974127776da46a000c61f36d4946799ea6d4f51","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"915012e923316b8b5d5bf8fc771617b47bd7572d","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"e23e4a3b9dfd893469c731318d409cdf04fb1ddf","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"f112df0744e2d77baa68eeebb860021bbaaa022a","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"a3cecf169cc652b558d08661bb6ce55e4c933ec0","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"},{"lessThan":"b4b201cc93ff70150853aba03e14d314d1980ca0","status":"affected","version":"71947923089353f23f4f210864903c4dcf2c1696","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","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":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","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":"5.15.216","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.183","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-eth: put MAC endpoint device on disconnect\n\nfsl_mc_get_endpoint() returns the MAC endpoint device with a reference\ntaken through device_find_child(). The Ethernet connect path stores that\ndevice in mac->mc_dev and keeps it for the lifetime of the connected MAC\nobject.\n\nHowever, the disconnect path only disconnects and closes the MAC before\nfreeing the dpaa2_mac object. It does not drop the endpoint device\nreference stored in mac->mc_dev, so every successful connect leaks that\ndevice reference when the MAC is later disconnected.\n\nDrop the endpoint device reference after closing the MAC and before\nfreeing the dpaa2_mac object."}],"providerMetadata":{"dateUpdated":"2026-08-19T16:33:28.174Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6b6ffdb9ca4547a3c4c274aa3e25b6c68dbc62e1"},{"url":"https://git.kernel.org/stable/c/1974127776da46a000c61f36d4946799ea6d4f51"},{"url":"https://git.kernel.org/stable/c/915012e923316b8b5d5bf8fc771617b47bd7572d"},{"url":"https://git.kernel.org/stable/c/e23e4a3b9dfd893469c731318d409cdf04fb1ddf"},{"url":"https://git.kernel.org/stable/c/f112df0744e2d77baa68eeebb860021bbaaa022a"},{"url":"https://git.kernel.org/stable/c/a3cecf169cc652b558d08661bb6ce55e4c933ec0"},{"url":"https://git.kernel.org/stable/c/b4b201cc93ff70150853aba03e14d314d1980ca0"}],"title":"dpaa2-eth: put MAC endpoint device on disconnect","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68331","datePublished":"2026-08-10T12:03:07.529Z","dateReserved":"2026-07-30T09:28:09.383Z","dateUpdated":"2026-08-19T16:33:28.174Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:23","lastModifiedDate":"2026-08-19 17:20:43","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68331","Ordinal":"1","Title":"dpaa2-eth: put MAC endpoint device on disconnect","CVE":"CVE-2026-68331","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68331","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-eth: put MAC endpoint device on disconnect\n\nfsl_mc_get_endpoint() returns the MAC endpoint device with a reference\ntaken through device_find_child(). The Ethernet connect path stores that\ndevice in mac->mc_dev and keeps it for the lifetime of the connected MAC\nobject.\n\nHowever, the disconnect path only disconnects and closes the MAC before\nfreeing the dpaa2_mac object. It does not drop the endpoint device\nreference stored in mac->mc_dev, so every successful connect leaks that\ndevice reference when the MAC is later disconnected.\n\nDrop the endpoint device reference after closing the MAC and before\nfreeing the dpaa2_mac object.","Type":"Description","Title":"dpaa2-eth: put MAC endpoint device on disconnect"}]}}}