{"id":"CVE-2026-74433","summary":"rxrpc: Fix UAF in rxgk_issue_challenge()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix UAF in rxgk_issue_challenge()\n\nFix rxgk_issue_challenge() to free the page containing the challenge\ncontent after invoking the tracepoint as the whdr passed to the tracepoint\npoints into the page just freed.","modified":"2026-08-16T03:48:35.348871990Z","published":"2026-08-15T05:59:32.823Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74433.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/107a4cb0d47e735830f852d83970d5c81f8e1e08"},{"type":"WEB","url":"https://git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74433.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74433"},{"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":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a"},{"fixed":"844b8525ce503405c462ad67f750bec648720397"},{"fixed":"83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8"},{"fixed":"107a4cb0d47e735830f852d83970d5c81f8e1e08"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74433.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"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-2026-74433.json"}}],"schema_version":"1.9.0"}