{"id":"CVE-2026-74429","summary":"rxrpc: Fix the reception of a reply packet before data transmission","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix the reception of a reply packet before data transmission\n\nFix rxrpc_receiving_reply() to handle the reception of an apparent reply\nDATA packet before rxrpc has had a chance to send any request DATA packets\non a client call by checking to see if the call has been exposed yet by\nsending the first packet.\n\nWithout this, rxrpc_rotate_tx_window() might oops.\n\nAlso fix rxrpc_rotate_tx_window() to handle the Tx queue being empty by\nchanging the do...while loop into a while loop, just in case a call is\nabnormally terminated by an early reply before the last request packet is\ntransmitted.","modified":"2026-08-18T03:56:48.538603042Z","published":"2026-08-15T05:59:30.286Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74429.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/a58e33405acd2584e730c1da72635f822ada6b49"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e220ae559e5a0fc33e41ec6a348ea50387cb8b0f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f9be514984471ff0003738b2e1efed12bc3433ff"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74429.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74429"},{"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":"b341a0263b1b804d329f864c2dc24815364510ec"},{"fixed":"f9be514984471ff0003738b2e1efed12bc3433ff"},{"fixed":"e220ae559e5a0fc33e41ec6a348ea50387cb8b0f"},{"fixed":"a58e33405acd2584e730c1da72635f822ada6b49"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74429.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74429.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}