CVSS: 4.9EPSS: 0%CPEs: 84EXPL: 0CVE-2011-4086 – kernel: jbd2: unmapped buffer with _Unwritten or _Delay flags set can lead to DoS
https://notcve.org/view.php?id=CVE-2011-4086
The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal. La función journal_unmap_buffer en fs/jbd2/transaction.c en el kernel de linux anterior a v3.3.1 no maneja correctamente el "buffer head states" _Delay y _Unwritten, permitiendo a usuarios locales causar una denegación de servicio aprovechándose de la presencia de un sistema de ficheros ext4 que está montado con journal • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3 http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html http://rhn.redhat.com/errata/RHSA-2012-0571.html http://rhn.redhat.com/errata/RHSA-2012-0670.html http://secunia.com/advisories/48898 http://secunia.com/advisories/48964 http://www.debian.org/security/2012/dsa-2469 http: • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 7.2EPSS: 0%CPEs: 63EXPL: 1CVE-2012-0028 – kernel: futex: clear robust_list on execve
https://notcve.org/view.php?id=CVE-2012-0028
The robust futex implementation in the Linux kernel before 2.6.28 does not properly handle processes that make exec system calls, which allows local users to cause a denial of service or possibly gain privileges by writing to a memory location in a child process. La implementación de robust futex en el kernel de Linux antes de v2.6.28 no maneja adecuadamente los procesos que realizan llamadas Exec System Recovery, lo que permite a usuarios locales provocar una denegación de servicio o posiblemente obtener privilegios escribiendo en una ubicación de memoria en un proceso hijo. • http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8141c7f3e7aee618312fa1c15109e1219de784a7 http://www.openwall.com/lists/oss-security/2012/05/08/1 https://bugzilla.redhat.com/show_bug.cgi?id=771764 https://github.com/torvalds/linux/commit/8141c7f3e7aee618312fa1c15109e1219de784a7 https://access.redhat.com/security/cve/CVE-2012-0028 • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 6.2EPSS: 0%CPEs: 1EXPL: 0CVE-2012-0038 – kernel: xfs heap overflow
https://notcve.org/view.php?id=CVE-2012-0038
Integer overflow in the xfs_acl_from_disk function in fs/xfs/xfs_acl.c in the Linux kernel before 3.1.9 allows local users to cause a denial of service (panic) via a filesystem with a malformed ACL, leading to a heap-based buffer overflow. Desbordamiento de entero en la función xfs_acl_from_disk en fs/xfs/xfs_acl.c en el núcleo de Linux anterior a v3.1.9 que permite a usuarios locales causar una denegación de servicio (panic) a través del sistema de ficheros con una lista ACL mal construida, dando lugar a un desbordamiento de búfer basado en heap. • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=093019cf1b18dd31b2c3b77acce4e000e2cbc9ce http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.9 http://www.openwall.com/lists/oss-security/2012/01/10/11 https://bugzilla.redhat.com/show_bug.cgi?id=773280 https://github.com/torvalds/linux/commit/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce https:/&# • CWE-190: Integer Overflow or Wraparound •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2012-0044 – kernel: drm: integer overflow in drm_mode_dirtyfb_ioctl()
https://notcve.org/view.php?id=CVE-2012-0044
Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.1.5 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted ioctl call. Un desbordamiento de entero en la función de drm_mode_dirtyfb_ioctl en drivers/gpu/drm/ drm_crtc.c en el subsistema "Direct Rendering Manager" (DRM) en el kernel de Linux en versiones anteriores a la v3.1.5 permite a usuarios locales obtener privilegios o causar una denegación de servicio (por corrupción de memoria) a través de una llamada a ioctl debdamente modificada. • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2 http://rhn.redhat.com/errata/RHSA-2012-0743.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5 http://www.openwall.com/lists/oss-security/2012/01/12/1 http://www.securityfocus.com/bid/51371 http://www.ubuntu.com/usn/USN-1555-1 http://www.ubuntu.com/usn/USN-1556-1 https://bugzilla.redhat.com/show_bug.cgi?id=772894 https:/& • CWE-190: Integer Overflow or Wraparound •
CVSS: 7.2EPSS: 0%CPEs: 2EXPL: 4CVE-2012-0056 – Linux Kernel 2.6.39 < 3.2.2 (x86/x64) - 'Mempodipper' Local Privilege Escalation
https://notcve.org/view.php?id=CVE-2012-0056
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper. La función mem_write en el kernel de Linux anterior a versión 3.2.2, cuando ASLR está deshabilitado, no comprueba apropiadamente los permisos al escribir en /proc/(pid)/mem, lo que permite a los usuarios locales alcanzar privilegios al modificar la memoria del proceso, como es demostrado por Mempodipper . • https://www.exploit-db.com/exploits/35161 https://www.exploit-db.com/exploits/18411 https://github.com/pythonone/CVE-2012-0056 https://github.com/srclib/CVE-2012-0056 http://blog.zx2c4.com/749 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc http://secunia.com/advisories/47708 http://ubuntu.com/usn/usn-1336-1 http://www.kb.cert.org/vuls/id/470151 http://www.kernel.org/pub/linux/kernel/ • CWE-264: Permissions, Privileges, and Access Controls CWE-863: Incorrect Authorization •