Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Vulnerabilidades

Con el objetivo de informar, advertir y ayudar a los profesionales sobre las últimas vulnerabilidades de seguridad en sistemas tecnológicos, ponemos a disposición de los usuarios interesados en esta información una base de datos con información en castellano sobre cada una de las últimas vulnerabilidades documentadas y conocidas.

Este repositorio con más de 75.000 registros esta basado en la información de NVD (National Vulnerability Database) – en función de un acuerdo de colaboración – por el cual desde INCIBE realizamos la traducción al castellano de la información incluida. En ocasiones este listado mostrará vulnerabilidades que aún no han sido traducidas debido a que se recogen en el transcurso del tiempo en el que el equipo de INCIBE realiza el proceso de traducción.

Se emplea el estándar de nomenclatura de vulnerabilidades CVE (Common Vulnerabilities and Exposures), con el fin de facilitar el intercambio de información entre diferentes bases de datos y herramientas. Cada una de las vulnerabilidades recogidas enlaza a diversas fuentes de información así como a parches disponibles o soluciones aportadas por los fabricantes y desarrolladores. Es posible realizar búsquedas avanzadas teniendo la opción de seleccionar diferentes criterios como el tipo de vulnerabilidad, fabricante, tipo de impacto entre otros, con el fin de acortar los resultados.

Mediante suscripción RSS o Boletines podemos estar informados diariamente de las últimas vulnerabilidades incorporadas al repositorio.

CVE-2026-43390

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> nstree: tighten permission checks for listing<br /> <br /> Even privileged services should not necessarily be able to see other<br /> privileged service&amp;#39;s namespaces so they can&amp;#39;t leak information to each<br /> other. Use may_see_all_namespaces() helper that centralizes this policy<br /> until the nstree adapts.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43391

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> nsfs: tighten permission checks for handle opening<br /> <br /> Even privileged services should not necessarily be able to see other<br /> privileged service&amp;#39;s namespaces so they can&amp;#39;t leak information to each<br /> other. Use may_see_all_namespaces() helper that centralizes this policy<br /> until the nstree adapts.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43392

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> sched_ext: Fix starvation of scx_enable() under fair-class saturation<br /> <br /> During scx_enable(), the READY -&gt; ENABLED task switching loop changes the<br /> calling thread&amp;#39;s sched_class from fair to ext. Since fair has higher<br /> priority than ext, saturating fair-class workloads can indefinitely starve<br /> the enable thread, hanging the system. This was introduced when the enable<br /> path switched from preempt_disable() to scx_bypass() which doesn&amp;#39;t protect<br /> against fair-class starvation. Note that the original preempt_disable()<br /> protection wasn&amp;#39;t complete either - in partial switch modes, the calling<br /> thread could still be starved after preempt_enable() as it may have been<br /> switched to ext class.<br /> <br /> Fix it by offloading the enable body to a dedicated system-wide RT<br /> (SCHED_FIFO) kthread which cannot be starved by either fair or ext class<br /> tasks. scx_enable() lazily creates the kthread on first use and passes the<br /> ops pointer through a struct scx_enable_cmd containing the kthread_work,<br /> then synchronously waits for completion.<br /> <br /> The workfn runs on a different kthread from sch-&gt;helper (which runs<br /> disable_work), so it can safely flush disable_work on the error path<br /> without deadlock.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43393

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()<br /> <br /> Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL,<br /> we&amp;#39;re not freeing the chunk map that we&amp;#39;ve just looked up.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43394

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> nfsd: Fix cred ref leak in nfsd_nl_listener_set_doit().<br /> <br /> nfsd_nl_listener_set_doit() uses get_current_cred() without<br /> put_cred().<br /> <br /> As we can see from other callers, svc_xprt_create_from_sa()<br /> does not require the extra refcount.<br /> <br /> nfsd_nl_listener_set_doit() is always in the process context,<br /> sendmsg(), and current-&gt;cred does not go away.<br /> <br /> Let&amp;#39;s use current_cred() in nfsd_nl_listener_set_doit().
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43395

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/xe/sync: Cleanup partially initialized sync on parse failure<br /> <br /> xe_sync_entry_parse() can allocate references (syncobj, fence, chain fence,<br /> or user fence) before hitting a later failure path. Several of those paths<br /> returned directly, leaving partially initialized state and leaking refs.<br /> <br /> Route these error paths through a common free_sync label and call<br /> xe_sync_entry_cleanup(sync) before returning the error.<br /> <br /> (cherry picked from commit f939bdd9207a5d1fc55cced5459858480686ce22)
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43379

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ksmbd: fix use-after-free in smb_lazy_parent_lease_break_close()<br /> <br /> opinfo pointer obtained via rcu_dereference(fp-&gt;f_opinfo) is being<br /> accessed after rcu_read_unlock() has been called. This creates a<br /> race condition where the memory could be freed by a concurrent<br /> writer between the unlock and the subsequent pointer dereferences<br /> (opinfo-&gt;is_lease, etc.), leading to a use-after-free.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43380

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> hwmon: (pmbus/q54sj108a2) fix stack overflow in debugfs read<br /> <br /> The q54sj108a2_debugfs_read function suffers from a stack buffer overflow<br /> due to incorrect arguments passed to bin2hex(). The function currently<br /> passes &amp;#39;data&amp;#39; as the destination and &amp;#39;data_char&amp;#39; as the source.<br /> <br /> Because bin2hex() converts each input byte into two hex characters, a<br /> 32-byte block read results in 64 bytes of output. Since &amp;#39;data&amp;#39; is only<br /> 34 bytes (I2C_SMBUS_BLOCK_MAX + 2), this writes 30 bytes past the end<br /> of the buffer onto the stack.<br /> <br /> Additionally, the arguments were swapped: it was reading from the<br /> zero-initialized &amp;#39;data_char&amp;#39; and writing to &amp;#39;data&amp;#39;, resulting in<br /> all-zero output regardless of the actual I2C read.<br /> <br /> Fix this by:<br /> 1. Expanding &amp;#39;data_char&amp;#39; to 66 bytes to safely hold the hex output.<br /> 2. Correcting the bin2hex() argument order and using the actual read count.<br /> 3. Using a pointer to select the correct output buffer for the final<br /> simple_read_from_buffer call.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43381

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> nouveau/dpcd: return EBUSY for aux xfer if the device is asleep<br /> <br /> If we have runtime suspended, and userspace wants to use /dev/drm_dp_*<br /> then just tell it the device is busy instead of crashing in the GSP<br /> code.<br /> <br /> WARNING: CPU: 2 PID: 565741 at drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c:164 r535_gsp_msgq_wait+0x9a/0xb0 [nouveau]<br /> CPU: 2 UID: 0 PID: 565741 Comm: fwupd Not tainted 6.18.10-200.fc43.x86_64 #1 PREEMPT(lazy)<br /> Hardware name: LENOVO 20QTS0PQ00/20QTS0PQ00, BIOS N2OET65W (1.52 ) 08/05/2024<br /> RIP: 0010:r535_gsp_msgq_wait+0x9a/0xb0 [nouveau]<br /> <br /> This is a simple fix to get backported. We should probably engineer a<br /> proper power domain solution to wake up devices and keep them awake<br /> while fw updates are happening.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43382

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> batman-adv: Avoid double-rtnl_lock ELP metric worker<br /> <br /> batadv_v_elp_get_throughput() might be called when the RTNL lock is already<br /> held. This could be problematic when the work queue item is cancelled via<br /> cancel_delayed_work_sync() in batadv_v_elp_iface_disable(). In this case,<br /> an rtnl_lock() would cause a deadlock.<br /> <br /> To avoid this, rtnl_trylock() was used in this function to skip the<br /> retrieval of the ethtool information in case the RTNL lock was already<br /> held.<br /> <br /> But for cfg80211 interfaces, batadv_get_real_netdev() was called - which<br /> also uses rtnl_lock(). The approach for __ethtool_get_link_ksettings() must<br /> also be used instead and the lockless version __batadv_get_real_netdev()<br /> has to be called.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43383

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net/tcp-md5: Fix MAC comparison to be constant-time<br /> <br /> To prevent timing attacks, MACs need to be compared in constant<br /> time. Use the appropriate helper function for this.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026

CVE-2026-43384

Fecha de publicación:
08/05/2026
Idioma:
Inglés
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net/tcp-ao: Fix MAC comparison to be constant-time<br /> <br /> To prevent timing attacks, MACs need to be compared in constant<br /> time. Use the appropriate helper function for this.
Gravedad: Pendiente de análisis
Última modificación:
08/05/2026