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CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

CVE-2019-16413

https://notcve.org/view.php?id=CVE-2019-16413

An issue was discovered in the Linux kernel before 5.0.4. The 9p filesystem did not protect i_size_write() properly, which causes an i_size_read() infinite loop and denial of service on SMP systems. Se detectó un problema en el kernel de Linux versiones anteriores a 5.0.4. El sistema de archivos 9p no protegió apropiadamente la función i_size_write(), lo que causa un bucle infinito de la función i_size_read() y la denegación de servicio sobre los sistemas SMP. • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5e3cc1ee1405a7eb3487ed24f786dec01b4cbe1f https://patchwork.kernel.org/patch/10753365 https://security.netapp.com/advisory/ntap-20191004-0001 https://support.f5.com/csp/article/K43239141?utm_source=f5support&amp%3Butm_medium=RSS • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 7.8EPSS: 0%CPEs: 82EXPL: 1

CVE-2019-14835 – kernel: vhost-net: guest to host kernel escape during migration

https://notcve.org/view.php?id=CVE-2019-14835

A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. Se encontró un fallo de desbordamiento de búfer, en las versiones desde 2.6.34 hasta 5.2.x, en la manera en que la funcionalidad vhost del kernel de Linux que traduce los búferes virtueue en IOV, registraba los descriptores del búfer durante una migración. Un usuario invitado privilegiado capaz de pasar descriptores con una longitud no válida hacia el host cuando la migración está en marcha, podría usar este fallo para aumentar sus privilegios sobre el host. A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01- • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 4.4EPSS: 0%CPEs: 10EXPL: 1

CVE-2019-15031 – kernel: powerpc: local user can read vector registers of other users' processes via an interrupt

https://notcve.org/view.php?id=CVE-2019-15031

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c. En el kernel de Linux versiones hasta 5.2.14 en la plataforma powerpc, un usuario local puede leer los registros vectoriales de los procesos de otros usuarios por medio de una interrupción. Para explotar la venerabilidad, un usuario local inicia una transacción (por medio de la instrucción de memoria transaccional de hardware tbegin) y luego accede a los registros vectoriales. • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html http://www.openwall.com/lists/oss-security/2019/09/10/4 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a8318c13e79badb92bc6640704a64cc022a6eb97 https://security.netapp.com/advisory/ntap-20191004-0001 https://usn.ubuntu.com/4135-1 https://usn.ubuntu.com/4135-2 https://access.redhat.com/security/cve/CVE-2019 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-662: Improper Synchronization •

CVSS: 4.4EPSS: 0%CPEs: 8EXPL: 1

CVE-2019-15030 – kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception

https://notcve.org/view.php?id=CVE-2019-15030

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via a Facility Unavailable exception. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process because of a missing arch/powerpc/kernel/process.c check. En el kernel de Linux versiones hasta 5.2.14 en la plataforma powerpc, un usuario local puede leer registros vectoriales de los procesos de otros usuarios por medio de una excepción Facility Unavailable. Para explotar la venerabilidad, un usuario local inicia una transacción (por medio de la instrucción de memoria transaccional de hardware tbegin) y entonces accede a los registros vectoriales. • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html http://www.openwall.com/lists/oss-security/2019/09/10/3 https://access.redhat.com/errata/RHSA-2020:0740 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8205d5d98ef7f155de211f5e2eb6ca03d95a5a60 https://security.netapp.com/advisory/ntap-20191004-0001 https://usn.ubuntu.com/4135-1 https://usn.ubuntu.com/4135-2& • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-862: Missing Authorization •

CVSS: 4.7EPSS: 0%CPEs: 1EXPL: 0

CVE-2019-16089

https://notcve.org/view.php?id=CVE-2019-16089

An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value. Se detectó un problema en el kernel de Linux hasta la versión 5.2.13. nbd_genl_status en drivers/block/nbd.c no comprueba la validez del valor de retorno nla_nest_start_noflag. • https://lore.kernel.org/patchwork/patch/1106884 https://lore.kernel.org/patchwork/patch/1126650 https://security.netapp.com/advisory/ntap-20191004-0001 https://support.f5.com/csp/article/K03814795?utm_source=f5support&amp%3Butm_medium=RSS https://usn.ubuntu.com/4414-1 https://usn.ubuntu.com/4425-1 https://usn.ubuntu.com/4439-1 https://usn.ubuntu.com/4440-1 • CWE-476: NULL Pointer Dereference •