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{"bugzilla": {"description": "kernel: net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()", "id": "2467106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467106"}, "csaw": false, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel's `fsl_ucc_hdlc` module. The `uhdlc_memclean()` function incorrectly deallocates memory by calling `dma_free_coherent()` twice for buffers that were allocated as a single contiguous block. This improper memory handling may lead to a denial of service (DoS) or other unpredictable system behavior due to memory corruption."], "name": "CVE-2026-43149", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43149\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43149\nhttps://lore.kernel.org/linux-cve-announce/2026050627-CVE-2026-43149-cd24@gregkh/T"]}

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