Alertas de Seguridad de la Información

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80589] In the Linux kernel, the following vulnerability has been resolved: block: stop the timeout timer w…

In the Linux kernel, the following vulnerability has been resolved: block: stop the timeout timer when releasing a never added disk disk_release() undoes blk_mq_init_allocated_queue() for a disk whose probe failed before add_disk(), but it only calls blk_mq_exit_queue(). Nothing there stops q->timeout, and that timer rolls forward: it stays pending until it next expires, not until the last reque…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80585] In the Linux kernel, the following vulnerability has been resolved: mptcp: fastopen: only mark MPTF…

In the Linux kernel, the following vulnerability has been resolved: mptcp: fastopen: only mark MPTFO subflows with SYN data Passive TCP Fast Open accepts a valid-cookie SYN even when it carries no data. In that case the child socket's receive queue is intentionally left empty. mptcp_fastopen_subflow_synack_set_params() set is_mptfo before checking for queued SYN data. That made data-less TFO SY…

nvdcriticovulnerabilidad CVSS 9.4 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80586] In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS field…

In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC + Data. In this case, the first suboption will be ignored, but leaving some fields written, which could lead to inconsistency or access uninitialized data. Explicitly reset the f…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80561] In the Linux kernel, the following vulnerability has been resolved: libceph: fix multiple unsafe de…

In the Linux kernel, the following vulnerability has been resolved: libceph: fix multiple unsafe decodes in decode_locker() decode_locker() in cls_lock_client.c contains three unsafe decode operations that allow a malicious or compromised OSD to trigger slab-out-of-bounds reads: 1. ceph_decode_copy() at the locker_id_t name field has no preceding bounds check. With p == end after ceph_start_…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80557] In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decode…

In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in decode_watchers() via missing bounds check ceph_start_decoding() validates that struct_len bytes remain in the buffer after the encoding header, but accepts struct_len=0 as valid: ceph_decode_need(p, end, 0, bad) always passes. When a malicious or compromised OSD sends an obj_list_watch_response_t reply …

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80558] In the Linux kernel, the following vulnerability has been resolved: libceph: Avoid using invalid os…

In the Linux kernel, the following vulnerability has been resolved: libceph: Avoid using invalid osd indices from primary_temp A corrupted osdmap received from a Ceph monitor or OSD may contain osd indices in its pg_temp, primary_temp, pg_upmap, and pg_upmap_items parts that don't exist, i.e., that are greater than max_osd or smaller than CEPH_HOMELESS_OSD (-1). These indices are used to create …

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80551] In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure first IDA…

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure first IDAW remains constant The first IDAW in a list does not need to be on a 2K/4K boundary like all others, and so is read separately to accurately calculate the size of the buffer needed to read the full IDAL. Verify that the address found in the first IDAW is unchanged between reads, to ensure a consis…

nvdcriticovulnerabilidad CVSS 9.3 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80554] In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the number…

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the number of channel program segments The processing of channel programs, and the CCWs within them, is done recursively. As such, there is an arbitrary (but not architectural) limit to the number of CCWs that can exist in a single channel program. The vfio-ccw logic breaks these channel programs into segme…

nvdcriticovulnerabilidad CVSS 9.3 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80528] In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while us…

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current->journal_info handle_reply() stores a `ceph_mds_request` pointer in `current->journal_info` while filling the inode and dentry cache from an MDS reply. An allocation in this section can enter direct reclaim and prune dentries from another filesystem. If this dirties an ext4 inode, ext…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-80519] In the Linux kernel, the following vulnerability has been resolved: ovpn: finish crypto callback cl…

In the Linux kernel, the following vulnerability has been resolved: ovpn: finish crypto callback cleanup before peer release Crypto completion callbacks hold both key-slot and peer references. The peer reference pins the netdev, and dropping the last peer reference can let netdev unregistration and module removal make progress. Do not release that peer reference before the callback has finished…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74751] In the Linux kernel, the following vulnerability has been resolved: riscv: lib: Fix ZBB strnlen rea…

In the Linux kernel, the following vulnerability has been resolved: riscv: lib: Fix ZBB strnlen reading past count boundary The ZBB-optimized strnlen loop loads one word ahead before checking the aligned boundary: REG_L t1, SZREG(t0) // load next word addi t0, t0, SZREG // advance orc.b t1, t1 bgeu t0, t4, 4f // boundary check AFTER load where t4 …

nvdcriticovulnerabilidad CVSS 9.4 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74752] In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH stat…

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIE_ECHO restores fixed-size AUTH fields directly from peer-controlled cookie bytes. A forged RANDOM length, HMAC list, or CHUNKS list can then reach association consumers with lengths or identifiers that were never validated against the loca…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74743] In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit needed_headroo…

In the Linux kernel, the following vulnerability has been resolved: macvlan: inherit needed_headroom and needed_tailroom from lowerdev macvlan devices inherit hard_header_len from lowerdev during macvlan_init(), but leave needed_headroom and needed_tailroom set to 0. When the underlying lowerdev requires extra headroom or tailroom for headers/trailers (e.g. macsec, ipsec, wireguard, tunnels, or…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74744] In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit needed_headroom…

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev ipvlan devices inherit hard_header_len from phy_dev during ipvlan_init(), but leave needed_headroom and needed_tailroom set to 0. When the underlying phy_dev (or stacked lower device) requires extra headroom or tailroom for headers/trailers (e.g. macsec, ipsec, wi…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74746] In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish G…

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nf_flow_table_iterate() only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flow_offload_add() is still inserting the reply node. Publish the reply node first and the original node last so GC nev…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

26/08/2026

[CVE-2026-74737] In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nu…

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG On the packet reception path, the ID of the MAC Port on which the packet was received, is embedded in the RX DMA Descriptor's metadata. The ID is extracted using the helper function cppi5_desc_get_tags_ids() which fills in the 16-bit Source Tag into the 'port…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

25/08/2026

Vulnerabilidad crítica de escape de sandbox en NVIDIA OpenShell para Linux (CVE-2026-65093)

NVIDIA OpenShell para Linux contiene una vulnerabilidad que permite a atacantes escapar del sandbox e ejecutar código arbitrario con privilegios elevados. El impacto incluye ejecución remota de código, escalada de privilegios, manipulación de datos y divulgación de información sensible. Empresas en LATAM que utilicen OpenShell en entornos containerizados o de virtualización deben considerar este vector de alto riesgo.

nvdcriticovulnerabilidad CVSS 9.9 NVD

M Crítico vulnerabilidad

25/08/2026

[CVE-2026-65083] NVIDIA OpenShell for Linux contains a vulnerability in its sandbox provisioning API, where an attack…

NVIDIA OpenShell for Linux contains a vulnerability in its sandbox provisioning API, where an attacker could cause an incomplete list of disallowed inputs. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, data tampering, and denial of service.

nvdcriticovulnerabilidad CVSS 9.9 NVD

M Crítico vulnerabilidad

18/08/2026

[CVE-2026-47627] NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path…

NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path traversal. A successful exploit might lead to denial of service.

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

14/08/2026

Inyección SQL crítica en SiYuan v3.7.2 y anteriores permite ejecución de comandos

SiYuan versiones 3.7.2 y anteriores contienen una vulnerabilidad de inyección SQL en la función de búsqueda de referencias inversas y menciones. El fallo radica en la concatenación insegura de metadatos de bloques (título, nombre, alias, texto de anclaje) con palabras clave del cliente en consultas SQL, escapando solo comillas dobles pero no simples. Un atacante puede inyectar comillas simples para ejecutar comandos SQL arbitrarios, comprometiendo la integridad y confidencialidad de bases de datos locales en sistemas Windows, macOS y Linux.

nvdcriticovulnerabilidad CVSS 10.0 NVD