{"id":"CVE-2026-53217","summary":"net: mvpp2: sync RX data at the hardware packet offset","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mvpp2: sync RX data at the hardware packet offset\n\nmvpp2 programs the RX queue packet offset, so hardware writes received\ndata at dma_addr + MVPP2_SKB_HEADROOM. The current CPU sync starts at\ndma_addr and only covers rx_bytes + MVPP2_MH_SIZE bytes, which syncs the\nunused headroom and misses the same number of bytes at the packet tail.\n\nOn non-coherent DMA systems this can leave the CPU reading stale cache\ncontents for the end of the received frame.\n\nUse dma_sync_single_range_for_cpu() with MVPP2_SKB_HEADROOM as the range\noffset so the sync covers the Marvell header and packet data actually\nwritten by hardware.","modified":"2026-07-08T08:13:46.538347728Z","published":"2026-06-25T08:39:20.186Z","related":["CGA-22pr-q682-wpmr"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53217.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/180235600934bef6add3be637c296d6cf3272e67"},{"type":"WEB","url":"https://git.kernel.org/stable/c/19f8bc139e9b149d1e5bf75ae761d1bb8dd3e7d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/23548007b3c66d628fc7d6b80d1e23be04ea10d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/60412bdd1b2576659eac23a23d2d9ff96228a643"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a13199fa224e9f776f4005d5037df03aa9ea8f37"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3ad9b5767c89531fc7dae951b51b0933dcf7051"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bede0f481b9137d73d1cf64309cbe4b94818a5d6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e302206ad84a407a7e5f3f6fe767ff5efaace689"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53217.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53217"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e1921168bbd4810de4197446e52f652cd0dd9541"},{"fixed":"60412bdd1b2576659eac23a23d2d9ff96228a643"},{"fixed":"19f8bc139e9b149d1e5bf75ae761d1bb8dd3e7d8"},{"fixed":"a3ad9b5767c89531fc7dae951b51b0933dcf7051"},{"fixed":"bede0f481b9137d73d1cf64309cbe4b94818a5d6"},{"fixed":"23548007b3c66d628fc7d6b80d1e23be04ea10d9"},{"fixed":"a13199fa224e9f776f4005d5037df03aa9ea8f37"},{"fixed":"e302206ad84a407a7e5f3f6fe767ff5efaace689"},{"fixed":"180235600934bef6add3be637c296d6cf3272e67"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53217.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.259"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.94"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.36"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53217.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"}]}