{"id":"CVE-2026-64035","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: set tx buffer type for SMD frames\n\nSashiko pointed out that igc_fpe_init_smd_frame() initializes\nigc_tx_buffer fields for an SMD skb, but does not set the buffer t…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: set tx buffer type for SMD frames\n\nSashiko pointed out that igc_fpe_init_smd_frame() initializes\nigc_tx_buffer fields for an SMD skb, but does not set the buffer t…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-909"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.16, < 6.18.34","linux_kernel >= 6.19, < 7.0.11","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.11"],"published":"2026-07-19","updated":"2026-10-13","sourceUpdated":"2026-10-13T15:32:14.097","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-64035","references":[{"url":"https://git.kernel.org/stable/c/1c8587bd025244aa52061f5ceecbf5e68a1063d9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1f83545f432d106d5fc71d3997b2d382104ebcc4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5acc641e590e008caaed480ed9ffae47cf7ecbdf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00442,"epssPercentile":0.36648,"ingestedAt":"2026-10-13T15:33:40.028Z","slug":"CVE-2026-64035","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nigc: set tx buffer type for SMD frames\n\nSashiko pointed out that igc_fpe_init_smd_frame() initializes\nigc_tx_buffer fields for an SMD skb, but does not set the buffer type:\nhttps://sashiko.dev/#/patchset/20260415025226.114115-1-kohei%40enjuk.jp\n\nSince igc_tx_buffer entries are reused, a stale XDP or XSK type can\nremain and make TX completion use the wrong cleanup path.\n\nSet the buffer type to IGC_TX_BUFFER_TYPE_SKB.\n\n## Affected\n\n- `linux_kernel >= 6.16, < 6.18.34`\n- `linux_kernel >= 6.19, < 7.0.11`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.11`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}