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

The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories. Las funciones (1) real_lookup y (2) __lookup_hash en el archivo fs/namei.c en la implementación de vfs en el kernel de Linux anterior a versión 2.6.25.15 no previene la creación de una matriz de elementos secundarios para un directorio eliminado (también se conoce como S_DEAD), que permite a los usuarios locales causar una denegación de servicio ("overflow" del área huérfana UBIFS) por medio de una serie de intentos de creación de archivos sin eliminar los directorios. • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d70b67c8bc72ee23b55381bd6a884f4796692f77 http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.15 http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html http://lkml.org/lkml/2008/7/2/83 http://secunia.com/advisories/31551 http://secunia.com/advisories/31614 http://secunia.com/advisories/31836 http:/&# • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 2.1EPSS: 0%CPEs: 14EXPL: 0

QEMU 0.9.0 does not properly handle changes to removable media, which allows guest OS users to read arbitrary files on the host OS by using the diskformat: parameter in the -usbdevice option to modify the disk-image header to identify a different format, a related issue to CVE-2008-2004. QEMU 0.9.0 no maneja apropiadamente cambio de medios extraíbles, lo cual permite a usuarios invitados del sistema operativo leer ficheros de su elección en el Host del sistema operativo utilizando el diskformat: parámetro en la opción -usbdevice para modificar la cabecera disk-image para identificar un formato diferente, una cuestión relacionada a CVE-2008-2004. • http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html http://secunia.com/advisories/32063 http://secunia.com/advisories/32088 http://secunia.com/advisories/34642 http://secunia.com/advisories/35031 http://secunia.com/advisories/35062 http://www.debian.org/security/2009/dsa-1799 http://www.mandriva.com/security/advisories?name=MDVSA-2008:162 http://www.securityfocus.com/bid/30604 http://www.securitytracker.com/id?1020959 http://www.ubuntu.com/usn/usn-776& •

CVSS: 7.8EPSS: 0%CPEs: 22EXPL: 0

The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/. El núcleo de Linux anterior a 2.6.25.10, no realiza de forma adecuada las operaciones tty, esto permite a usuarios locales provocar una denegación de servicio (caída del sistema) o posiblemente obtener privilegios mediante vectores que contienen referencias a puntero NULO en los punteros a funciones en (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, y (8) wireless/strip.c en drivers/net/. • http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commitdiff%3Bh=2a739dd53ad7ee010ae6e155438507f329dce788 http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10 http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html http://l • CWE-476: NULL Pointer Dereference •

CVSS: 6.9EPSS: 0%CPEs: 14EXPL: 0

Race condition in the directory notification subsystem (dnotify) in Linux kernel 2.6.x before 2.6.24.6, and 2.6.25 before 2.6.25.1, allows local users to cause a denial of service (OOPS) and possibly gain privileges via unspecified vectors. Una condición de carrera en el subsistema directory notification (dnotify) en el Kernel de Linux versiones 2.6.x anteriores a 2.6.24.6, y versiones 2.6.25 anteriores a 2.6.25.1, permite a usuarios locales causar una denegación de servicio (OOPS) y posiblemente alcanzar privilegios por medio de vectores no especificados. • http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00002.html http://lists.vmware.com/pipermail/security-announce/2008/000023.html http://marc.info/?l=linux-kernel&m=120967963803205&w=2 http://marc.info/?l=linux-kernel&m=120967964303224&w=2 http://secunia.com/advisories/30017 http://secunia.com/advisories/30018 http://secu • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.5EPSS: 4%CPEs: 19EXPL: 0

The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values." El soporte Kerberos 4 en KDC en MIT Kerberos 5 (krb5kdc) no borra apropiadamente la parte no utilizada de un búfer cuando se genera un mensaje de error, lo que podría permitir a los atacantes remotos obtener información confidencial, también se conoce como "Uninitialized stack values." • http://docs.info.apple.com/article.html?artnum=307562 http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00006.html http://secunia.com/advisories/29420 http://secunia.com/advisories/29423 http://secunia.com/advisories/29424 http://secunia.com/advisories/29428 http://secunia.com/advisories/29435 http://secunia.com/advisories/29438 http://secunia.com/advisories/29450 http://secunia.com/advisories/2 • CWE-908: Use of Uninitialized Resource •