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CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 0

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers. Se encontró una falla de desbordamiento de enteros en el kernel de Linux. Este problema lleva a que el kernel asigne `skb_shared_info` en el espacio de usuario, lo cual es explotable en sistemas sin protección SMAP ya que `skb_shared_info` contiene referencias a punteros de función. • http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html https://access.redhat.com/security/cve/CVE-2023-42752 https://bugzilla.redhat.com/show_bug.cgi?id=2239828 https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 • CWE-190: Integer Overflow or Wraparound •

CVSS: 6.0EPSS: 0%CPEs: 4EXPL: 0

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure. Se encontró una falla en el subsistema Netfilter en el kernel de Linux. La función nfnl_osf_add_callback no validó el campo opt_num controlado por el modo de usuario. • https://access.redhat.com/errata/RHSA-2024:2394 https://access.redhat.com/errata/RHSA-2024:2950 https://access.redhat.com/errata/RHSA-2024:3138 https://access.redhat.com/security/cve/CVE-2023-39189 https://bugzilla.redhat.com/show_bug.cgi?id=2226777 https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html • CWE-125: Out-of-bounds Read •

CVSS: 6.7EPSS: 0%CPEs: 3EXPL: 1

A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the `rsvp_classify` function. This issue may allow a local user to crash the system and cause a denial of service. Se encontró una falla en el clasificador del IPv4 Resource Reservation Protocol (RSVP) en el kernel de Linux. El puntero xprt puede ir más allá de la parte lineal del skb, lo que lleva a una lectura fuera de límites en la función `rsvp_classify`. • https://access.redhat.com/errata/RHSA-2024:2950 https://access.redhat.com/errata/RHSA-2024:3138 https://access.redhat.com/security/cve/CVE-2023-42755 https://bugzilla.redhat.com/show_bug.cgi?id=2239847 https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html https://seclists.org/oss-sec/2023/q3/229 • CWE-125: Out-of-bounds Read •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 1

A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system. Se encontró una falla de desreferencia del puntero NULL en la pila ipv4 del kernel de Linux. Se suponía que el búfer de socket (skb) estaba asociado con un dispositivo antes de llamar a __ip_options_compile, lo que no siempre es el caso si ipvs redirige el skb. • https://access.redhat.com/errata/RHSA-2024:2394 https://access.redhat.com/errata/RHSA-2024:2950 https://access.redhat.com/errata/RHSA-2024:3138 https://access.redhat.com/security/cve/CVE-2023-42754 https://bugzilla.redhat.com/show_bug.cgi?id=2239845 https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH https://lists.fedoraproject.org/archives/list/package-announc • CWE-476: NULL Pointer Dereference •

CVSS: 4.7EPSS: 0%CPEs: 10EXPL: 0

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x. Se encontró una falla en pfn_swap_entry_to_page en el subsistema de administración de memoria del kernel de Linux. En esta falla, un atacante con privilegios de usuario local puede causar un problema de denegación de servicio debido a una declaración de ERROR que hace referencia a pmd_t x. • https://access.redhat.com/errata/RHSA-2023:6901 https://access.redhat.com/errata/RHSA-2023:7077 https://access.redhat.com/errata/RHSA-2023:7539 https://access.redhat.com/errata/RHSA-2024:0412 https://access.redhat.com/security/cve/CVE-2023-4732 https://bugzilla.redhat.com/show_bug.cgi?id=2236982 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-366: Race Condition within a Thread •