{"api_version":"1","generated_at":"2026-06-25T10:16:16+00:00","cve":"CVE-2026-53009","urls":{"html":"https://cve.report/CVE-2026-53009","api":"https://cve.report/api/cve/CVE-2026-53009.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53009","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53009"},"summary":{"title":"ice: fix double-free of tx_buf skb","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix double-free of tx_buf skb\n\nIf ice_tso() or ice_tx_csum() fail, the error path in\nice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points\nto it and is marked as valid (ICE_TX_BUF_SKB).\n'next_to_use' remains unchanged, so the potential problem will\nlikely fix itself when the next packet is transmitted and the tx_buf\ngets overwritten. But if there is no next packet and the interface is\nbrought down instead, ice_clean_tx_ring() -> ice_unmap_and_free_tx_buf()\nwill find the tx_buf and free the skb for the second time.\n\nThe fix is to reset the tx_buf type to ICE_TX_BUF_EMPTY in the error\npath, so that ice_unmap_and_free_tx_buf().\nMove the initialization of 'first' up, to ensure it's already valid in\ncase we hit the linearization error path.\n\nThe bug was spotted by AI while I had it looking for something else.\nIt also proposed an initial version of the patch.\n\nI reproduced the bug and tested the fix by adding code to inject\nfailures, on a build with KASAN.\n\nI looked for similar bugs in related Intel drivers and did not find any.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:12","updated_at":"2026-06-24 17:17:12"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1a303baa715e6b78d6a406aaf335f87ff35acfcd","name":"https://git.kernel.org/stable/c/1a303baa715e6b78d6a406aaf335f87ff35acfcd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4c08fc2119ef0281cfa2cee007acf0a251be55f2","name":"https://git.kernel.org/stable/c/4c08fc2119ef0281cfa2cee007acf0a251be55f2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53009","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53009","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d76a60ba7afb89523c88cf2ed3a044ce4180289e 4c08fc2119ef0281cfa2cee007acf0a251be55f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d76a60ba7afb89523c88cf2ed3a044ce4180289e 1a303baa715e6b78d6a406aaf335f87ff35acfcd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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/intel/ice/ice_txrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4c08fc2119ef0281cfa2cee007acf0a251be55f2","status":"affected","version":"d76a60ba7afb89523c88cf2ed3a044ce4180289e","versionType":"git"},{"lessThan":"1a303baa715e6b78d6a406aaf335f87ff35acfcd","status":"affected","version":"d76a60ba7afb89523c88cf2ed3a044ce4180289e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_txrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.17"},{"lessThan":"4.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"4.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix double-free of tx_buf skb\n\nIf ice_tso() or ice_tx_csum() fail, the error path in\nice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points\nto it and is marked as valid (ICE_TX_BUF_SKB).\n'next_to_use' remains unchanged, so the potential problem will\nlikely fix itself when the next packet is transmitted and the tx_buf\ngets overwritten. But if there is no next packet and the interface is\nbrought down instead, ice_clean_tx_ring() -> ice_unmap_and_free_tx_buf()\nwill find the tx_buf and free the skb for the second time.\n\nThe fix is to reset the tx_buf type to ICE_TX_BUF_EMPTY in the error\npath, so that ice_unmap_and_free_tx_buf().\nMove the initialization of 'first' up, to ensure it's already valid in\ncase we hit the linearization error path.\n\nThe bug was spotted by AI while I had it looking for something else.\nIt also proposed an initial version of the patch.\n\nI reproduced the bug and tested the fix by adding code to inject\nfailures, on a build with KASAN.\n\nI looked for similar bugs in related Intel drivers and did not find any."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:29:20.332Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4c08fc2119ef0281cfa2cee007acf0a251be55f2"},{"url":"https://git.kernel.org/stable/c/1a303baa715e6b78d6a406aaf335f87ff35acfcd"}],"title":"ice: fix double-free of tx_buf skb","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53009","datePublished":"2026-06-24T16:29:20.332Z","dateReserved":"2026-06-09T07:44:35.378Z","dateUpdated":"2026-06-24T16:29:20.332Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:12","lastModifiedDate":"2026-06-24 17:17:12","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53009","Ordinal":"1","Title":"ice: fix double-free of tx_buf skb","CVE":"CVE-2026-53009","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53009","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix double-free of tx_buf skb\n\nIf ice_tso() or ice_tx_csum() fail, the error path in\nice_xmit_frame_ring() frees the skb, but the 'first' tx_buf still points\nto it and is marked as valid (ICE_TX_BUF_SKB).\n'next_to_use' remains unchanged, so the potential problem will\nlikely fix itself when the next packet is transmitted and the tx_buf\ngets overwritten. But if there is no next packet and the interface is\nbrought down instead, ice_clean_tx_ring() -> ice_unmap_and_free_tx_buf()\nwill find the tx_buf and free the skb for the second time.\n\nThe fix is to reset the tx_buf type to ICE_TX_BUF_EMPTY in the error\npath, so that ice_unmap_and_free_tx_buf().\nMove the initialization of 'first' up, to ensure it's already valid in\ncase we hit the linearization error path.\n\nThe bug was spotted by AI while I had it looking for something else.\nIt also proposed an initial version of the patch.\n\nI reproduced the bug and tested the fix by adding code to inject\nfailures, on a build with KASAN.\n\nI looked for similar bugs in related Intel drivers and did not find any.","Type":"Description","Title":"ice: fix double-free of tx_buf skb"}]}}}