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CVE-2019-19768

Status Candidate

Overview

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

Related Files

Red Hat Security Advisory 2020-2522-01
Posted Jun 11, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2522-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, double free, integer overflow, memory leak, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2018-20169, CVE-2018-7191, CVE-2019-10639, CVE-2019-12382, CVE-2019-13233, CVE-2019-14283, CVE-2019-15916, CVE-2019-19768, CVE-2019-3901, CVE-2019-9503, CVE-2020-10711
MD5 | 89f1f9cf40446f2816ba9234dd52e3de
Red Hat Security Advisory 2020-2519-01
Posted Jun 11, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2519-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-19768, CVE-2020-10711
MD5 | 7a27e5e90084fb32e8c414affd1f5227
Red Hat Security Advisory 2020-2291-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2291-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-19768, CVE-2020-10711
MD5 | 472caeedf401aef3dd265d2a8ede4040
Red Hat Security Advisory 2020-2289-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2289-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, heap overflow, memory leak, null pointer, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-10126, CVE-2019-19768, CVE-2019-3846, CVE-2020-10711
MD5 | 192d4b68b4a8fb78b468d7d34c28af96
Red Hat Security Advisory 2020-2277-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2277-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | 7df30500995ca1ce24314048e8bdc144
Red Hat Security Advisory 2020-2285-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2285-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | 3740eefc2583118a277b2e5a0270dd07
Red Hat Security Advisory 2020-2242-01
Posted May 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2242-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include double free, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | cc7f5ce71eb64ea455b5036d5a63727d
Red Hat Security Advisory 2020-2214-01
Posted May 19, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2214-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | 76989286c92162d66924a0b1716db57d
Red Hat Security Advisory 2020-2199-01
Posted May 19, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2199-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include null pointer, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-19768, CVE-2020-10711, CVE-2020-11884
MD5 | 880368285866bf500f86dd36404cc148
Red Hat Security Advisory 2020-2203-01
Posted May 19, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2203-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-19768, CVE-2020-10711
MD5 | 5b828468a7819d2abb23e498a8c2dd9e
Red Hat Security Advisory 2020-2082-01
Posted May 12, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2082-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, memory leak, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | 969fa949c25645a5a7328b59a9ba8ec1
Red Hat Security Advisory 2020-2085-01
Posted May 12, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2085-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include double free, null pointer, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18595, CVE-2019-19768, CVE-2020-10711
MD5 | fb45d9224e85ded8bf9bf110926bdba1
Red Hat Security Advisory 2020-2104-01
Posted May 12, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2104-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include denial of service, double free, null pointer, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18551, CVE-2017-18595, CVE-2019-12614, CVE-2019-15538, CVE-2019-19447, CVE-2019-19524, CVE-2019-19768, CVE-2019-9454, CVE-2020-10711, CVE-2020-9383
MD5 | 02c92544a54421df4b77e27dce41c5d0
Ubuntu Security Notice USN-4346-1
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4346-1 - It was discovered that the QLogic Fibre Channel driver in the Linux kernel did not properly check for error, leading to a NULL pointer dereference. A local attacker could possibly use this to cause a denial of service. It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly 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-2019-16233, CVE-2019-16234, CVE-2019-19768, CVE-2020-8648, CVE-2020-9383
MD5 | 4cf518f901d17d9b382167bc917ee090
Ubuntu Security Notice USN-4345-1
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4345-1 - Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-16234, CVE-2019-19768, CVE-2020-10942, CVE-2020-11608, CVE-2020-11609, CVE-2020-11668, CVE-2020-11884, CVE-2020-8648, CVE-2020-9383
MD5 | f860882cf3df80ef98a1f975040f7b2b
Red Hat Security Advisory 2020-1966-01
Posted Apr 29, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1966-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2019-19768
MD5 | 205c1421714a2ef658973e3d94ab41b5
Ubuntu Security Notice USN-4344-1
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4344-1 - It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service. It was discovered that the Intel WiMAX 2400 driver in the Linux kernel did not properly deallocate memory in certain situations. A local 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-2019-16234, CVE-2019-19051, CVE-2019-19768, CVE-2020-10942, CVE-2020-8648, CVE-2020-8992, CVE-2020-9383
MD5 | 95f2bfc5a03c043277848adb01fe1838
Ubuntu Security Notice USN-4342-1
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4342-1 - Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-16234, CVE-2019-19768, CVE-2020-10942, CVE-2020-11884, CVE-2020-8648, CVE-2020-8992, CVE-2020-9383
MD5 | b742c77503e84dfe47b8958c0f0f5f68
Red Hat Security Advisory 2020-1567-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1567-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
MD5 | ec8d8281d2addf6eda4cf0fadf921ae7
Red Hat Security Advisory 2020-1769-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1769-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
MD5 | 98c2d2f24981ab95a830a2ac0663ca3c
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