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Kernel Files

Red Hat Security Advisory 2024-1882-03
Posted Apr 18, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1882-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-6240
SHA-256 | 9e10ada3ddb528acb9ccbcfdd5961551f172a10a3b49d7e80a65876978d4f1f1
Red Hat Security Advisory 2024-1881-03
Posted Apr 18, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1881-03 - An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include null pointer and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-6240
SHA-256 | acea5cb9cd1b6c350fd4c7a2ed9b9beb19ec417f14f50e1f89fe7aea71333885
Red Hat Security Advisory 2024-1877-03
Posted Apr 18, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1877-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-26341
SHA-256 | 3db2b9f4e0af541aa428e404d176897254826c7b0bc083b76e4ff77025a7d43a
Ubuntu Security Notice USN-6726-3
Posted Apr 17, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6726-3 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache memory usage. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52444, CVE-2023-52445, CVE-2023-52449, CVE-2023-52451, CVE-2023-52454, CVE-2023-52470, CVE-2023-52612, CVE-2024-0607, CVE-2024-23851
SHA-256 | fbdef91004d190c96cf4e043eaae82ae1153ee17c38e14e93c908daa2a909e66
Ubuntu Security Notice USN-6726-2
Posted Apr 17, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6726-2 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache memory usage. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52444, CVE-2023-52445, CVE-2023-52449, CVE-2023-52451, CVE-2023-52454, CVE-2023-52470, CVE-2023-52612, CVE-2024-0607, CVE-2024-23851
SHA-256 | 729c2c491401a2ba3cbcc24fc7e792dce6e1d41caac420160758655bfe67ca27
Ubuntu Security Notice USN-6725-2
Posted Apr 17, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6725-2 - Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2023-1194, CVE-2023-32254, CVE-2023-32258, CVE-2023-38427, CVE-2023-38430, CVE-2023-38431, CVE-2023-3867, CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52442, CVE-2023-52444
SHA-256 | 6d7cd6326721629b499ff1a4ed3916c1134b9cf7a03933ebb2aad8ffbd18a71d
Ubuntu Security Notice USN-6724-2
Posted Apr 17, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6724-2 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46838, CVE-2023-50431, CVE-2023-52435, CVE-2023-52438, CVE-2023-6610, CVE-2024-22705, CVE-2024-23850
SHA-256 | 11f429fc308aea23b94e34cc88c73194b07fa2d7d771891e940b1ec417543744
Red Hat Security Advisory 2024-1840-03
Posted Apr 17, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1840-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33631
SHA-256 | dbb0e877dc997c58524cca7262a66eb70f0fe145a426d12e428b8ac2842cd6ef
Red Hat Security Advisory 2024-1836-03
Posted Apr 17, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1836-03 - An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33631
SHA-256 | 0d50182c51470a637222a85624e294df7959b1d14b436bc9d497847ee0c1772d
Red Hat Security Advisory 2024-1831-03
Posted Apr 16, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1831-03 - An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support. Issues addressed include out of bounds write and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2023-3611
SHA-256 | fc3a413f57dbe50448729e85069f6848993af45d296ea170081bb919fd1cdd1a
Debian Security Advisory 5658-1txt
Posted Apr 15, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5658-1 - 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-2023-2176, CVE-2023-28746, CVE-2023-47233, CVE-2023-52429, CVE-2023-52434, CVE-2023-52435, CVE-2023-52583, CVE-2023-52584, CVE-2023-52587, CVE-2023-52588, CVE-2023-52589, CVE-2023-52593, CVE-2023-52594, CVE-2023-52595
SHA-256 | 37cefcc8693691a29ddc63f10ee46f6f0724bf622031a4c9c4bfc376d40acaae
Windows Kernel Subkey List Use-After-Free
Posted Apr 11, 2024
Authored by Google Security Research, mjurczyk

The Windows Kernel suffers from a subkey list use-after-free vulnerability due to a mishandling of partial success in CmpAddSubKeyEx.

tags | exploit, kernel
systems | windows
advisories | CVE-2024-26182
SHA-256 | 371f9505662bb6a768bb624f24a62e46fef4ad9feab889c6189fe75092e31989
Red Hat Security Advisory 2024-1747-03
Posted Apr 10, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1747-03 - An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2023-4623
SHA-256 | 880b6e011f8f55d305c1800f5bbf0598f079c0e3a70e44d1c0bc96c9858270e0
Red Hat Security Advisory 2024-1746-03
Posted Apr 10, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1746-03 - An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-42896
SHA-256 | 2448aa69c96abe61f309cd06496024d6839c50b6e13788592764ec19464a5356
Kernel Live Patch Security Notice LSN-0102-1
Posted Apr 9, 2024
Authored by Benjamin M. Romer

It was discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Lonial Con discovered that the netfilter subsystem in the Linux kernel contained a memory leak when handling certain element flush operations. A local attacker could use this to expose sensitive information (kernel memory). Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, memory leak
systems | linux
advisories | CVE-2023-1872, CVE-2023-4569, CVE-2023-51781, CVE-2023-6176, CVE-2024-0646, CVE-2024-1086
SHA-256 | 5d360530cd59a1d5483a776654fdfec33b0978f21c0af5d79f7f2f3fb4c9a39c
Ubuntu Security Notice USN-6701-4
Posted Apr 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6701-4 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-2002, CVE-2023-23000, CVE-2023-3006, CVE-2023-34256, CVE-2023-39197, CVE-2023-4132, CVE-2023-46838, CVE-2023-51781, CVE-2023-6121, CVE-2024-0775, CVE-2024-1086, CVE-2024-24855
SHA-256 | d108bf63c9f6c68409d72c0c5efb406eb5a7df3eac89dd7759ede250d9eab4a6
Ubuntu Security Notice USN-6726-1
Posted Apr 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6726-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache memory usage. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52444, CVE-2023-52445, CVE-2023-52449, CVE-2023-52451, CVE-2023-52454, CVE-2023-52470, CVE-2023-52612, CVE-2024-0607, CVE-2024-23851
SHA-256 | 9d8567a66a05e4472fe61be7f8a7bdb51155d4ee0ca5cf5cf863b32e3467a029
Ubuntu Security Notice USN-6725-1
Posted Apr 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6725-1 - Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2023-1194, CVE-2023-32254, CVE-2023-32258, CVE-2023-38427, CVE-2023-38430, CVE-2023-38431, CVE-2023-3867, CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52442, CVE-2023-52444
SHA-256 | 8d6d30178b2854c30f04f5326a65af3d2a2ce39d0ff00d49cba1cfec2df9734b
Ubuntu Security Notice USN-6724-1
Posted Apr 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6724-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the Habana's AI Processors driver in the Linux kernel did not properly initialize certain data structures before passing them to user space. A local attacker could use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46838, CVE-2023-50431, CVE-2023-52435, CVE-2023-52438, CVE-2023-6610, CVE-2024-22705, CVE-2024-23850
SHA-256 | 17f21f1c2c15bedbf215674aeeaf3c011302ae40b61d80ae7857e89a3abea752
Linux 6.5 Kernel Pointer Leak
Posted Apr 5, 2024
Authored by Jann Horn, Google Security Research

Linux versions starting with 6.5 suffer from a read-after-type-change of folio in cachestat() that leads to a kernel pointer leak.

tags | exploit, kernel
systems | linux
advisories | CVE-2024-26630
SHA-256 | 9ed32c7cf46a882e510759c307e0ac2758225c4d00df31c8c83be548a01fd482
Red Hat Security Advisory 2024-1653-03
Posted Apr 3, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1653-03 - An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33631
SHA-256 | dfcb5cd9ce50f62d7a27fab2625fab0978a2b607557bbc426eca65d712e4c86f
Red Hat Security Advisory 2024-1614-03
Posted Apr 3, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1614-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Issues addressed include code execution, null pointer, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-33631
SHA-256 | bb413aed8554991c03a06e3d7b2b324ac7e697d44a013ffa6c48ad19720f77cc
Red Hat Security Advisory 2024-1607-03
Posted Apr 2, 2024
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2024-1607-03 - An update for kernel is now available for Red Hat Enterprise Linux 8. Issues addressed include code execution, null pointer, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-33631
SHA-256 | 5f51f818d2acee63a892562591ef19aec0b934ee6653b63e9f021616f882c253
Microsoft Windows 10.0.17763.5458 Privilege Escalation
Posted Apr 2, 2024
Authored by E1.Coders

Microsoft Windows version 10.0.17763.5458 kernel IOCTL privilege escalation exploit.

tags | exploit, kernel
systems | windows
advisories | CVE-2024-21338
SHA-256 | 8707efbb61bde9a6bad7e9f41e2e2aa406ec325770b5e4cf2822308facf677cb
Linux nf_tables Local Privilege Escalation
Posted Apr 1, 2024
Authored by Notselwyn | Site github.com

A use-after-free vulnerability exists in the Linux kernel netfilter: nf_tables component. This is a universal local privilege escalation proof of concept exploit working on Linux kernels between 5.14 and 6.6, including Debian, Ubuntu, and KernelCTF.

tags | exploit, kernel, local, proof of concept
systems | linux, debian, ubuntu
advisories | CVE-2024-1086
SHA-256 | e98b20acc52d06c63e173b3fafc4a334699f028d1db4b0de3512cf556c197cd9
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