{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"7eaeb778bfaa3b2a804f89321c234d59c74569db","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"0606c24a745bafd1be5d66c48361638cd9cad74b","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"519051c711dfd239ef6e4b28878efee400a035f9","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"0a1fc25deabab4efce64610e3c449485c4fa8f5f","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"fa5ba9867a55e640df0dc79bf0199770fb043f03","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"30e87ade8d678c25a8546cf38c0b498fa5cb27d3","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"10b5e65959e955a1c8894e0a5413944b5a70204a","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"},{"lessThan":"e94eaef11142b01f77bf8ba4d0b59720b7858109","status":"affected","version":"c1fa347f20f17f14a4a1575727fa24340e8a9117","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.33"},{"lessThan":"2.6.33","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-43445","cwes":[],"description":"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.","epss":{"date":"2026-11-06","percentile":0.02047,"score":0.00123},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793979774712,"publishedAt":1778250132660,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7eaeb778bfaa3b2a804f89321c234d59c74569db"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0606c24a745bafd1be5d66c48361638cd9cad74b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/519051c711dfd239ef6e4b28878efee400a035f9"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0a1fc25deabab4efce64610e3c449485c4fa8f5f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fa5ba9867a55e640df0dc79bf0199770fb043f03"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/30e87ade8d678c25a8546cf38c0b498fa5cb27d3"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/10b5e65959e955a1c8894e0a5413944b5a70204a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e94eaef11142b01f77bf8ba4d0b59720b7858109"}],"remediation":[],"revision":"413981875b7c7e5dec48178d2fad99f454c62eb41aff9b755a7027557fb70add","sources":[{"modifiedAt":1793979774712,"name":"CNA: Linux","retrievedAt":1793981713142,"url":"https://www.cve.org/CVERecord?id=CVE-2026-43445"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793981731073,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-43445"}],"ssvc":{"assessedAt":1793979540489,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"e1000/e1000e: Fix leak in DMA error cleanup","updatedAt":1793981731073}