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CVE-2019-19068

Status Candidate

Overview

A memory leak in the rtl8xxxu_submit_int_urb() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-a2cdd07488e6.

Related Files

Red Hat Security Advisory 2020-4609-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4609-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include bypass, denial of service, information leakage, memory leak, null pointer, out of bounds access, out of bounds read, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2019-15917, CVE-2019-15925, CVE-2019-16231, CVE-2019-16233, CVE-2019-18808, CVE-2019-18809, CVE-2019-19046, CVE-2019-19056, CVE-2019-19062, CVE-2019-19063, CVE-2019-19068, CVE-2019-19072, CVE-2019-19319, CVE-2019-19332, CVE-2019-19447, CVE-2019-19524, CVE-2019-19533, CVE-2019-19537, CVE-2019-19543, CVE-2019-19767, CVE-2019-19770, CVE-2019-20054, CVE-2019-20636, CVE-2019-9455, CVE-2019-9458, CVE-2020-0305, CVE-2020-1073
MD5 | 429795cee7e49d12da71416a2fee9329
Red Hat Security Advisory 2020-4431-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4431-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, bypass, denial of service, information leakage, memory leak, null pointer, out of bounds access, out of bounds read, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2019-12614, CVE-2019-15917, CVE-2019-15925, CVE-2019-16231, CVE-2019-16233, CVE-2019-18808, CVE-2019-18809, CVE-2019-19046, CVE-2019-19056, CVE-2019-19062, CVE-2019-19063, CVE-2019-19068, CVE-2019-19072, CVE-2019-19319, CVE-2019-19332, CVE-2019-19447, CVE-2019-19524, CVE-2019-19533, CVE-2019-19537, CVE-2019-19543, CVE-2019-19767, CVE-2019-19770, CVE-2019-20054, CVE-2019-20636, CVE-2019-9455, CVE-2019-9458
MD5 | 40a4f9454bafb09a9b91ae53a7e2f617
Ubuntu Security Notice USN-4302-1
Posted Mar 17, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4302-1 - Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested guest access the resources of a parent guest in certain situations. An attacker could use this to expose sensitive information. Gregory Herrero discovered that the fix for CVE-2019-14615 to address the Linux kernel not properly clearing data structures on context switches for certain Intel graphics processors was incomplete. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-15217, CVE-2019-19046, CVE-2019-19051, CVE-2019-19056, CVE-2019-19058, CVE-2019-19066, CVE-2019-19068, CVE-2020-2732, CVE-2020-8832
MD5 | 399774618ce50a03b46b4f27b7f87a67
Ubuntu Security Notice USN-4301-1
Posted Mar 17, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4301-1 - It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information. Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested guest access the resources of a parent guest in certain situations. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2019-19053, CVE-2019-19056, CVE-2019-19059, CVE-2019-19066, CVE-2019-19068, CVE-2019-3016, CVE-2020-2732
MD5 | 6b921a608ab319902047d0ad4c3538bd
Ubuntu Security Notice USN-4300-1
Posted Mar 17, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4300-1 - It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes are enabled in guests, the hypervisor in some situations could miss deferred TLB flushes or otherwise mishandle them. An attacker in a guest VM could use this to expose sensitive information. Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested guest access the resources of a parent guest in certain situations. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2019-18809, CVE-2019-19043, CVE-2019-19053, CVE-2019-19056, CVE-2019-19058, CVE-2019-19059, CVE-2019-19064, CVE-2019-19066, CVE-2019-19068, CVE-2019-3016, CVE-2020-2732
MD5 | caa07f46355fbda12c3113a6958695d0
Ubuntu Security Notice USN-4286-2
Posted Feb 19, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4286-2 - USN-4286-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-14615, CVE-2019-15217, CVE-2019-15220, CVE-2019-15221, CVE-2019-17351, CVE-2019-19051, CVE-2019-19056, CVE-2019-19066, CVE-2019-19068, CVE-2019-19965, CVE-2019-20096, CVE-2019-5108
MD5 | aff5d99660a6cf45c6cd9363ec293dc7
Ubuntu Security Notice USN-4286-1
Posted Feb 19, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4286-1 - It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the Softmac USB Prism54 device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-14615, CVE-2019-15217, CVE-2019-15220, CVE-2019-15221, CVE-2019-17351, CVE-2019-19051, CVE-2019-19056, CVE-2019-19066, CVE-2019-19068, CVE-2019-19965, CVE-2019-20096, CVE-2019-5108
MD5 | 8455aecab2d4723eb33c4d08058ff1de
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