{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43149", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.989Z", "datePublished": "2026-05-06T11:27:31.708Z", "dateUpdated": "2026-05-06T11:27:31.708Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:27:31.708Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()\n\nThe priv->rx_buffer and priv->tx_buffer are alloc'd together as\ncontiguous buffers in uhdlc_init() but freed as two buffers in\nuhdlc_memclean().\n\nChange the cleanup to only call dma_free_coherent() once on the whole\nbuffer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wan/fsl_ucc_hdlc.c"], "versions": [{"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": "6496fb830cbb741d831225cc4e7e5601c6e42970", "status": "affected", "versionType": "git"}, {"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": "ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4", "status": "affected", "versionType": "git"}, {"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": "011ae5dd84dc9f05eb9b8e1adff44252ac776e7b", "status": "affected", "versionType": "git"}, {"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": "0f85a9655445e67bb0238cfc983d7c383b54938e", "status": "affected", "versionType": "git"}, {"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": "84b932bc9899d43e5829e6cf088b72d73a922b2b", "status": "affected", "versionType": "git"}, {"version": "c19b6d246a35627c3a69b2fa6bdece212b48214b", "lessThan": 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"status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4"}, {"url": "https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b"}, {"url": "https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e"}, {"url": "https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b"}, {"url": "https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285"}, {"url": "https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d"}, {"url": "https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3"}], "title": "net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()\n\nThe priv->rx_buffer and priv->tx_buffer are alloc'd together as\ncontiguous buffers in uhdlc_init() but freed as two buffers in\nuhdlc_memclean().\n\nChange the cleanup to only call dma_free_coherent() once on the whole\nbuffer."}], "id": "CVE-2026-43149", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:32.553", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}