{"api_version":"1","generated_at":"2026-05-06T14:21:30+00:00","cve":"CVE-2026-43157","urls":{"html":"https://cve.report/CVE-2026-43157","api":"https://cve.report/api/cve/CVE-2026-43157.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43157","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43157"},"summary":{"title":"octeontx2-af: CGX: fix bitmap leaks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: CGX: fix bitmap leaks\n\nThe RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap)\nare allocated by cgx_lmac_init() but never freed in cgx_lmac_exit().\nUnbinding and rebinding the driver therefore triggers kmemleak:\n\n    unreferenced object (size 16):\n        backtrace:\n          rvu_alloc_bitmap\n          cgx_probe\n\nFree both bitmaps during teardown.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:33","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f","name":"https://git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece","name":"https://git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965","name":"https://git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1","name":"https://git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33","name":"https://git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667","name":"https://git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43157","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43157","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e ad8a13a45c5c24d0d32de9a1c3fd58498a675ece git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e 013ac469596a0b8671e62d89c89ae0bd46bbe667 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e ccef79af58b43787c25710c9da96651c6ddfe50f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e 6d389382ee655128056fbdab86baad8495ffbf33 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e ccca14bbdcc25829d355b9f4d3249f43dadb71c1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e740003874edc13e468d19233f99787bedb4bb8e 3def995c4ede842adf509c410e92d09a0cedc965 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.165 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * 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":["drivers/net/ethernet/marvell/octeontx2/af/cgx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ad8a13a45c5c24d0d32de9a1c3fd58498a675ece","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"},{"lessThan":"013ac469596a0b8671e62d89c89ae0bd46bbe667","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"},{"lessThan":"ccef79af58b43787c25710c9da96651c6ddfe50f","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"},{"lessThan":"6d389382ee655128056fbdab86baad8495ffbf33","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"},{"lessThan":"ccca14bbdcc25829d355b9f4d3249f43dadb71c1","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"},{"lessThan":"3def995c4ede842adf509c410e92d09a0cedc965","status":"affected","version":"e740003874edc13e468d19233f99787bedb4bb8e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/marvell/octeontx2/af/cgx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: CGX: fix bitmap leaks\n\nThe RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap)\nare allocated by cgx_lmac_init() but never freed in cgx_lmac_exit().\nUnbinding and rebinding the driver therefore triggers kmemleak:\n\n    unreferenced object (size 16):\n        backtrace:\n          rvu_alloc_bitmap\n          cgx_probe\n\nFree both bitmaps during teardown."}],"providerMetadata":{"dateUpdated":"2026-05-06T11:27:37.185Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece"},{"url":"https://git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667"},{"url":"https://git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f"},{"url":"https://git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33"},{"url":"https://git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1"},{"url":"https://git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965"}],"title":"octeontx2-af: CGX: fix bitmap leaks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43157","datePublished":"2026-05-06T11:27:37.185Z","dateReserved":"2026-05-01T14:12:55.990Z","dateUpdated":"2026-05-06T11:27:37.185Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:33","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43157","Ordinal":"1","Title":"octeontx2-af: CGX: fix bitmap leaks","CVE":"CVE-2026-43157","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43157","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: CGX: fix bitmap leaks\n\nThe RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap)\nare allocated by cgx_lmac_init() but never freed in cgx_lmac_exit().\nUnbinding and rebinding the driver therefore triggers kmemleak:\n\n    unreferenced object (size 16):\n        backtrace:\n          rvu_alloc_bitmap\n          cgx_probe\n\nFree both bitmaps during teardown.","Type":"Description","Title":"octeontx2-af: CGX: fix bitmap leaks"}]}}}