
CVE-2011-4080 – kernel: sysctl: restrict write access to dmesg_restrict
https://notcve.org/view.php?id=CVE-2011-4080
24 May 2012 — The sysrq_sysctl_handler function in kernel/sysctl.c in the Linux kernel before 2.6.39 does not require the CAP_SYS_ADMIN capability to modify the dmesg_restrict value, which allows local users to bypass intended access restrictions and read the kernel ring buffer by leveraging root privileges, as demonstrated by a root user in a Linux Containers (aka LXC) environment. La función sysrq_sysctl_handler en kernel/sysctl.c en el kernel de Linux antes de v2.6.39 no requiere la capacidad de CAP_SYS_ADMIN para mod... • http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 • CWE-264: Permissions, Privileges, and Access Controls •

CVE-2011-3359 – kernel: b43: allocate receive buffers big enough for max frame len + offset
https://notcve.org/view.php?id=CVE-2011-3359
24 May 2012 — The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly allocate receive buffers, which allows remote attackers to cause a denial of service (system crash) via a crafted frame. La función de dma_rx drivers/net/wireless/b43/dma.c en el kernel de Linux antes de 2.6.39 no asigna correctamente los búferes de recepción, lo que permite a atacantes remotos provocar una denegación de servicio (caída del sistema) a través de un marco diseñado. • http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2011-3188 – kernel: net: improve sequence number generation
https://notcve.org/view.php?id=CVE-2011-3188
24 May 2012 — The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets. Las implementaciones de (1) IPv4 y (2) IPv6 en el kernel de Linux antes de v3.1 utiliza una versión modificada de algoritmo MD4 para generar números de secuencia y val... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6e5714eaf77d79ae1c8b47e3e040ff5411b717ec •

CVE-2011-2707
https://notcve.org/view.php?id=CVE-2011-2707
24 May 2012 — The ptrace_setxregs function in arch/xtensa/kernel/ptrace.c in the Linux kernel before 3.1 does not validate user-space pointers, which allows local users to obtain sensitive information from kernel memory locations via a crafted PTRACE_SETXTREGS request. La función ptrace_setxregs en ??arch/xtensa/kernel/ptrace.c en el kernel de Linux antes de v3.1 no valida los punteros de espacio de usuario, lo que permite a usuarios locales obtener información sensible de las posiciones de memoria del kernel a través de... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d0138ebe24b94065580bd2601f8bb7eb6152f56 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2011-3363 – kernel: cifs: always do is_path_accessible check in cifs_mount
https://notcve.org/view.php?id=CVE-2011-3363
24 May 2012 — The setup_cifs_sb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service (system crash) by placing a referral at the root of a share. La función setup_cifs_sb function en fs/cifs/connect.cen el kernel de Linux antes de v2.6.39 no maneja correctamente las referencias de la DFS, lo que permite a servidores CIFS remotos provocar una denegación de servicio (caída del sistema) mediante la colocación de ... • http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 • CWE-20: Improper Input Validation •

CVE-2011-2699 – kernel: ipv6: make fragment identifications less predictable
https://notcve.org/view.php?id=CVE-2011-2699
24 May 2012 — The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment Identification values separately for each destination, which makes it easier for remote attackers to cause a denial of service (disrupted networking) by predicting these values and sending crafted packets. La implementación de IPv6 en el kernel de Linux antes de v3.1 no genera valores de los fragmentos de identificación por separado para cada destino, lo que hace que sea más fácil para los atacantes remotos causar una denegaci... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=87c48fa3b4630905f98268dde838ee43626a060c •

CVE-2011-3353 – kernel: fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message
https://notcve.org/view.php?id=CVE-2011-3353
24 May 2012 — Buffer overflow in the fuse_notify_inval_entry function in fs/fuse/dev.c in the Linux kernel before 3.1 allows local users to cause a denial of service (BUG_ON and system crash) by leveraging the ability to mount a FUSE filesystem. Desbordamiento de búfer en la función fuse_notify_inval_entry function in fs/fuse/dev.c en el kernel de Linux antes de v3.1 permite a usuarios locales causar una denegación de servicio (BUG_ON y caída del sistema) mediante el aprovechamiento de la capacidad de montar un sistema d... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2183d1e9b3f313dd8ba2b1b0197c8d9fb86a7ae • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2011-2517 – kernel: nl80211: missing check for valid SSID size in scan operations
https://notcve.org/view.php?id=CVE-2011-2517
24 May 2012 — Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value. Múltiples desbordamientos de búfer en net/wireless/nl80211.c en el kernel de Linux antes de v2.6.39.2 permite a usuarios locales obtener privilegios mediante el aprovechamiento de la capacidad CAP_NET_ADMIN durante las operaciones de exploración con un valor de SSID de largo. • http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2011-4081 – kernel: crypto: ghash: null pointer deref if no key is set
https://notcve.org/view.php?id=CVE-2011-4081
24 May 2012 — crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket. crypto/ghash-generic.c en el kernel de Linux antes de v3.1 permite a usuarios locales causar una denegación de servicio (desreferenci... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7ed47b7d142ec99ad6880bbbec51e9f12b3af74c • CWE-476: NULL Pointer Dereference •

CVE-2011-3191 – kernel: cifs: signedness issue in CIFSFindNext()
https://notcve.org/view.php?id=CVE-2011-3191
24 May 2012 — Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory. Error de signo de entero en la función CIFSFindNext en fs/cifs/cifssmb.c en el kernel de Linux antes de v3.1 permite a los servidores CIFS remotos provocar una denegación de servicio (corrupción de memoria) o posib... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •