CVE-2026-74628는 Linux에서 확인된 긴급 등급 보안 취약점입니다. 공개 데이터에 표시된 영향 버전은 >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ba925a2e98ce967a0e71c5bcbcf5dbd3facaf0c8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6b79659590f0f82a9b8efd2ffd55ec6399ebfc33, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fdd9ac50b9b61ef2b2d52c5156aff788be91454d, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1fc9f6d2c7c9fdb341bfe8ca449c990632299ea6, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3c4919be5d910db4beebca420953858606fba7d8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4bc522b33438fefc3272840ae5988771863a4f1f, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e92c7e2b41d1528a830bc64c5e4e46dfa8133dda, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2195424c3da2ef1829a63b807e3a900a90e57d85, >= 2.6.12입니다. CVSS 기본 점수는 9.8점입니다. 현재 CISA KEV 등록은 확인되지 않았습니다.
NVD 영문 원문의 세부 내용은 한국어 설명으로 순차 보강 중입니다. 보강 전에는 제품·위험도·실제 악용 여부처럼 공개 데이터로 확인된 정보만 표시합니다.
영문 원문 보기
In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with mod_timer() and cancelled with timer_delete(), so a pending timer holds no reference on the socket and a cancel does not wait for a callback already running on another CPU. x25_heartbeat_expiry() also rearms unconditionally, so it can reinstall sk->sk_timer after __x25_destroy_socket() has passed its cancel point. The following __sock_put() frees the socket while the timer is still queued, and the next expiry uses freed memory. KASAN repor...
