{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43445",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:56.010Z",
        "datePublished": "2026-05-08T14:22:12.660Z",
        "dateUpdated": "2026-05-11T22:24:43.676Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:24:43.676Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ne1000/e1000e: Fix leak in DMA error cleanup\n\nIf an error is encountered while mapping TX buffers, the driver should\nunmap any buffers already mapped for that skb.\n\nBecause count is incremented after a successful mapping, it will always\nmatch the correct number of unmappings needed when dma_error is reached.\nDecrementing count before the while loop in dma_error causes an\noff-by-one error. If any mapping was successful before an unsuccessful\nmapping, exactly one DMA mapping would leak.\n\nIn these commits, a faulty while condition caused an infinite loop in\ndma_error:\nCommit 03b1320dfcee (\"e1000e: remove use of skb_dma_map from e1000e\ndriver\")\nCommit 602c0554d7b0 (\"e1000: remove use of skb_dma_map from e1000 driver\")\n\nCommit c1fa347f20f1 (\"e1000/e1000e/igb/igbvf/ixgb/ixgbe: Fix tests of\nunsigned in *_tx_map()\") fixed the infinite loop, but introduced the\noff-by-one error.\n\nThis issue may still exist in the igbvf driver, but I did not address it\nin this patch."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/intel/e1000/e1000_main.c",
                        "drivers/net/ethernet/intel/e1000e/netdev.c"
                    ],
                    "versions": [
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "7eaeb778bfaa3b2a804f89321c234d59c74569db",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "0606c24a745bafd1be5d66c48361638cd9cad74b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "519051c711dfd239ef6e4b28878efee400a035f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "0a1fc25deabab4efce64610e3c449485c4fa8f5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "fa5ba9867a55e640df0dc79bf0199770fb043f03",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "30e87ade8d678c25a8546cf38c0b498fa5cb27d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "10b5e65959e955a1c8894e0a5413944b5a70204a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1fa347f20f17f14a4a1575727fa24340e8a9117",
                            "lessThan": "e94eaef11142b01f77bf8ba4d0b59720b7858109",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/intel/e1000/e1000_main.c",
                        "drivers/net/ethernet/intel/e1000e/netdev.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.33",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.33",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.19",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.9",
                            "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": "2.6.33",
                                    "versionEndExcluding": "5.10.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.1.167"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.6.130"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.12.78"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.18.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.19.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7eaeb778bfaa3b2a804f89321c234d59c74569db"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0606c24a745bafd1be5d66c48361638cd9cad74b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/519051c711dfd239ef6e4b28878efee400a035f9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a1fc25deabab4efce64610e3c449485c4fa8f5f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fa5ba9867a55e640df0dc79bf0199770fb043f03"
                },
                {
                    "url": "https://git.kernel.org/stable/c/30e87ade8d678c25a8546cf38c0b498fa5cb27d3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/10b5e65959e955a1c8894e0a5413944b5a70204a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e94eaef11142b01f77bf8ba4d0b59720b7858109"
                }
            ],
            "title": "e1000/e1000e: Fix leak in DMA error cleanup",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}