{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-11-08T00:10:59.927","vulnerabilities":[{"cve":{"id":"CVE-2026-43499","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-05-21T13:16:19.300","lastModified":"2026-10-15T02:19:34.430","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtmutex: Use waiter::task instead of current in remove_waiter()\n\nremove_waiter() is used by the slowlock paths, but it is also used for\nproxy-lock rollback in rt_mutex_start_proxy_lock() when invoked from\nfutex_requeue().\n\nIn the latter case waiter::task is not current, but remove_waiter()\noperates on current for the dequeue operation. That results in several\nproblems:\n\n  1) the rbtree dequeue happens without waiter::task::pi_lock being held\n\n  2) the waiter task's pi_blocked_on state is not cleared, which leaves a\n     dangling pointer primed for UAF around.\n\n  3) rt_mutex_adjust_prio_chain() operates on the wrong top priority waiter\n     task\n\nUse waiter::task instead of current in all related operations in\nremove_waiter() to cure those problems.\n\n[ tglx: Fixup rt_mutex_adjust_prio_chain(), add a comment and amend the\n  \tchangelog ]"},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nrtmutex: Usar waiter::task en lugar de current en remove_waiter()\n\nremove_waiter() es usado por las rutas de slowlock, pero también es usado para la reversión de bloqueo de proxy en rt_mutex_start_proxy_lock() cuando es invocado desde futex_requeue().\n\nEn este último caso, waiter::task no es current, pero remove_waiter() opera en current para la operación de desencolado. Eso resulta en varios problemas:\n\n  1) el desencolado de rbtree ocurre sin que waiter::task::pi_lock esté retenido\n\n  2) el estado pi_blocked_on de la tarea de espera no se borra, lo que deja un puntero colgante preparado para UAF.\n\n  3) rt_mutex_adjust_prio_chain() opera en la tarea de espera de máxima prioridad incorrecta\n\nUsar waiter::task en lugar de current en todas las operaciones relacionadas en remove_waiter() para solucionar esos problemas.\n\n[ tglx: Corregir rt_mutex_adjust_prio_chain(), añadir un comentario y modificar el registro de cambios ]"}],"affected":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","affectedData":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["kernel/locking/rtmutex.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"f3fa3424bceb128d2be4b3745506b22844b87db7","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"838ce5cb5d93c3ab8b27e75bc6ad905a94b752fd","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"d8cce4773c2b23d819baf5abedc62f7b430e8745","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"8a1fc8d698ac5e5916e3082a0f74450d71f9611f","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"6d52dfcb2a5db86e346cf51f8fcf2071b8085166","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"3fb7394a837740770f0d6b4b30567e60786a63f2","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"88614876370aac8ad1050ad785a4c095ba17ac11","versionType":"git","status":"affected"},{"version":"8161239a8bcce9ad6b537c04a1fa3b5c68bae693","lessThan":"3bfdc63936dd4773109b7b8c280c0f3b5ae7d349","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["kernel/locking/rtmutex.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","lessThan":"2.6.39","versionType":"semver","status":"unaffected"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","versionType":"semver","status":"unaffected"},{"version":"7.1","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","affectedData":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - 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