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CVSS: 7.8EPSS: 0%CPEs: 317EXPL: 0

The chrp_show_cpuinfo function (chrp/setup.c) in Linux kernel 2.4.21 through 2.6.18-53, when running on PowerPC, might allow local users to cause a denial of service (crash) via unknown vectors that cause the of_get_property function to fail, which triggers a NULL pointer dereference. La función chrp_show_cpuinfo (chrp/setup.c) en Linux kernel 2.4.21 hasta 2.6.18-53, cuando funciona sobre PowerPC, podría permitir a usuarios locales provocar denegación de servicio (caida) a través de vectores desconocidos que hacen que la función of_get_property falle, lo cual dispara un puntero de referencia NULL. • http://marc.info/?l=linux-kernel&m=119576191029571&w=2 http://rhn.redhat.com/errata/RHSA-2008-0055.html http://secunia.com/advisories/28696 http://secunia.com/advisories/28748 http://secunia.com/advisories/29058 http://secunia.com/advisories/29236 http://secunia.com/advisories/30018 http://secunia.com/advisories/30515 http://secunia.com/advisories/30769 http://www.debian.org/security/2008/dsa-1503 http://www.debian.org/security/2008/dsa-1504 http://www.debian&# • CWE-399: Resource Management Errors •

CVSS: 4.0EPSS: 0%CPEs: 191EXPL: 0

The disconnect method in the Philips USB Webcam (pwc) driver in Linux kernel 2.6.x before 2.6.22.6 "relies on user space to close the device," which allows user-assisted local attackers to cause a denial of service (USB subsystem hang and CPU consumption in khubd) by not closing the device after the disconnect is invoked. NOTE: this rarely crosses privilege boundaries, unless the attacker can convince the victim to unplug the affected device. El método disconnect en el controlador Philips USB Webcam (pwc) en Linux kernel 2.6.x anterior 2.6.22.6 "confía en espacio del usuario para cerrar el dispositivo" lo cual permite a un atacante local con la intervención del usuario provocar denegación de servicio (cuelgue del sistema USB y consumo de CPU en khubd) sin cerrar el dispositivo después de llamar a la desconexión. NOTA: esto cruza raramente límites de privilegio, a menos que el atacante los pueda convencer a la víctima que desenchufe el dispositivo afectado. • http://marc.info/?l=linux-kernel&m=118873457814808&w=2 http://marc.info/?l=linux-kernel&m=118880154122548&w=2 http://rhn.redhat.com/errata/RHSA-2008-0972.html http://secunia.com/advisories/26994 http://secunia.com/advisories/28170 http://secunia.com/advisories/28706 http://secunia.com/advisories/28971 http://secunia.com/advisories/29058 http://secunia.com/advisories/30294 http://secunia.com/advisories/32799 http://www.debian.org/security/2007/dsa-1381 http:/&# • CWE-399: Resource Management Errors •

CVSS: 6.4EPSS: 0%CPEs: 2EXPL: 0

Rule Set Based Access Control (RSBAC) before 1.3.5 does not properly use the Linux Kernel Crypto API for the Linux kernel 2.6.x, which allows context-dependent attackers to bypass authentication controls via unspecified vectors, possibly involving User Management password hashing and unchecked function return codes. Rule Set Based Access Control (RSBAC) anterior a 1.3.5 no utiliza de forma adecuada el API Crypto Linux Kernel del Linux kernel 2.6.x, el permite a atacantes dependientes del contexto evitar controles de autenticación a través de vectores no especificados, posiblemente afectando al hashing de la contraseña User Management y los códigos de retorno de la función unchecked. • http://download.rsbac.org/code/1.3.5/changes-1.3.5.txt http://secunia.com/advisories/26147 http://securityreason.com/securityalert/2911 http://www.securityfocus.com/archive/1/474161/100/0/threaded http://www.securityfocus.com/bid/25001 http://www.vupen.com/english/advisories/2007/2610 •

CVSS: 6.1EPSS: 4%CPEs: 252EXPL: 0

The sctp_new function in (1) ip_conntrack_proto_sctp.c and (2) nf_conntrack_proto_sctp.c in Netfilter in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, allows remote attackers to cause a denial of service by causing certain invalid states that trigger a NULL pointer dereference. La función sctp_new en (1) ip_conntrack_proto_sctp.c y (2) nf_conntrack_proto_sctp.c en Netfilter en Linux kernel 2.6 anterior a 2.6.20.13, y 2.6.21.x anterior a 2.6.21.4, permite a atacantes remotos provocar denegación de servicio provocando ciertos estados no válidos que disparan un puntero NULL referenciado. • http://marc.info/?l=linux-kernel&m=118128610219959&w=2 http://marc.info/?l=linux-kernel&m=118128622431272&w=2 http://osvdb.org/37112 http://rhn.redhat.com/errata/RHSA-2007-0488.html http://secunia.com/advisories/25838 http://secunia.com/advisories/25961 http://secunia.com/advisories/26133 http://secunia.com/advisories/26139 http://secunia.com/advisories/26289 http://secunia.com/advisories/26450 http://secunia.com/advisories/26620 http://secunia.com/advisories/ •

CVSS: 1.2EPSS: 0%CPEs: 252EXPL: 0

The random number feature in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, (1) does not properly seed pools when there is no entropy, or (2) uses an incorrect cast when extracting entropy, which might cause the random number generator to provide the same values after reboots on systems without an entropy source. La característica de número aleatorio en Linux kernel 2.6 anterior a 2.6.20.13, y 2.6.21.x anterior a 2.6.21.4, (1) no rellena adecuadamente la quiniela cuando no hay entropia, o (2) utiliza un rango incorrecto cuando extrae entropia, lo cual podría provocar que el generado de número aleatorios devuelva los mismos valores después de reiniciar el sistema sin una fuente de entropia. • http://marc.info/?l=linux-kernel&m=118128610219959&w=2 http://marc.info/?l=linux-kernel&m=118128622431272&w=2 http://osvdb.org/37114 http://secunia.com/advisories/25596 http://secunia.com/advisories/25700 http://secunia.com/advisories/25961 http://secunia.com/advisories/26133 http://secunia.com/advisories/26139 http://secunia.com/advisories/26450 http://secunia.com/advisories/26620 http://secunia.com/advisories/26664 http://www.debian.org/security/2007/dsa-1356& •