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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

Debian Security Advisory 4698-1
Posted Jun 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4698-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2019-19319, CVE-2019-19462, CVE-2019-19768, CVE-2019-20806, CVE-2019-20811, CVE-2019-2182, CVE-2019-5108, CVE-2020-0543, CVE-2020-10711, CVE-2020-10732, CVE-2020-10751, CVE-2020-10757, CVE-2020-10942, CVE-2020-11494
SHA-256 | 6b0461d5fdc0442553e93411732b13c0f292cb8ee0cf3b5b3b0228efca950d91
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
SHA-256 | e4e407d5d11456415fbd17c67e612fad4cfe0d3826d8690e6621a9db97576147
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
SHA-256 | 6cfc0f58090649f9090185b8c992ea7ea3a4d17ae7494207f5a23d75df1ee10a
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
SHA-256 | ee45b6f042e6c691076480d16fcf830d4e740aa874df2048554f2cbfc377a42e
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
SHA-256 | ca1a3813a0ecbcf9e2f73b9ff16150fb54c458acd38a43569a373d34d79a64fa
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
SHA-256 | efe3145206f11b3e50ccbf503ead77fc3430350fad092aff5f0600584c28e720
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
SHA-256 | ada265fb400fc2098c203f3e9ade8514a0113d55caa666df2cae0a77fa52de69
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
SHA-256 | 2cb694524e3da29b25481569692ca7d659c95c88727071a36fd595125f080c3f
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
SHA-256 | 9861ea3ee64da4b2bdb1079921a0a087fea60a45825bdb80bdd0d1c5a068203e
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
SHA-256 | f7ea6ff56060539cc8fd204ebbdc3d293fba3c3860a375f8a984a14366ee7d11
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
SHA-256 | d4db30bdd1e2a8ecd05d7cf8c5026f12278e19c96579c9f09c92489d11501e52
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
SHA-256 | 438552c618e8448c249b09fd48a41683780f74a25b518e02c76eaa8a1fe4f389
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
SHA-256 | 1da5837554e325f987c40003b0a17d619fa93c955d1672b81131b48541ccb998
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
SHA-256 | 55f2ffea99360d36e4e47e4a4596c9101c111085b9c05e6e7bde118e57a5e0ee
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
SHA-256 | 5007d0c0254a1c6a5e5cf578a8b0ddceb4d3bd150c9e8183a5720ea38dd8fea1
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
SHA-256 | f6fefff774c0c873366a1f04ab860ca67e33b79ee3a6c1366475705f24550bb0
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
SHA-256 | 747530524fabfcc59f4b85bb4f43544916e29cdf8410fa0c2c3621201f620667
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
SHA-256 | 8843a25d79794069c7f4af8f0b7bc644c52469c455abf6857c3eb07ff7d996f0
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
SHA-256 | 8be453bd452ae15bb83b01ddb47f279540dafd5d10a9322ef239871e73451623
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
SHA-256 | 4d14b94bafdee251e54f1794da92fba753b363e03e9280972aa701a91982329a
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
SHA-256 | b3605c32b8f528963f869695ca9be893e0dcb7b2fe7d7839472a42d2bf6c36f0
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