Ubuntu Security Notice 6549-1 - It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service. Lin Ma discovered that the Netlink Transformation subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service or possibly expose sensitive information.
0a9053db00b3d18766045707f877cd0acf8a50d5ecb0aa473dcdada6eba1c983Ubuntu Security Notice 6548-1 - It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service.
b151f8b1c0e89b126e52b50cb36a0892dbb13b53ad032fb9ccca75e4147b0865The Microsoft Windows Kernel has a time-of-check / time-of-use issue in verifying layered key security which may lead to information disclosure from privileged registry keys.
d827eb89d09814af2562b27f8d81aceb5f4a617c3fbb070846fd5b39ebfaa03eUbuntu Security Notice 6537-1 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service or possibly expose sensitive information.
8aef40e675ea284f23ed621bd7c35ed99674db45761dbfcf4196b8a01e0ab72eUbuntu Security Notice 6536-1 - Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service or possibly expose sensitive information. Kyle Zeng discovered that the IPv4 implementation in the Linux kernel did not properly handle socket buffers when performing IP routing in certain circumstances, leading to a null pointer dereference vulnerability. A privileged attacker could use this to cause a denial of service.
491b7ae32101abad487102763eda45d30db3ca5f36849f84e358d72012a127f3This Metasploit exploit module takes advantage of a Docker image which has either the privileged flag, or SYS_ADMIN Linux capability. If the host kernel is vulnerable, its possible to escape the Docker image and achieve root on the host operating system. A vulnerability was found in the Linux kernel's cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.
f89ca645e9a7ab68a61d054b319e54c6af9a4e97faf0cab7987d8a5f919f6c11Ubuntu Security Notice 6533-1 - Tom Dohrmann discovered that the Secure Encrypted Virtualization implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the io_uring subsystem in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.
69ff67f177ea2d03a0f7cff80acce49d24c347c916ab56ec77cab928e783bc5aUbuntu Security Notice 6532-1 - Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
0cdb4aa760fab31533df80e24faf46d100f20dc5ee5242cc463797b7fe3e75e1Ubuntu Security Notice 6534-1 - It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service. Lin Ma discovered that the Netlink Transformation subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service or possibly expose sensitive information.
acb3338a3a35d4377c4d7790146e30000263b5425042561de050aea656873cbaUbuntu Security Notice 6502-4 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
80e570dc8559f7c743948b2659e5b45954e4ef183051320784503ce69438e9e4Ubuntu Security Notice 6496-2 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
ff4c804427ae5e3ed0edbacaa2797fb161dd9c5e4ae66c5b2f114beebd29332dUbuntu Security Notice 6495-2 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Manfred Rudigier discovered that the Intel PCI-Express Gigabit Ethernet driver in the Linux kernel did not properly validate received frames that are larger than the set MTU size, leading to a buffer overflow vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.
84d6c0fba7b7ce39226621eb2ae128d51c090c81cff449f8466be7ea9785245cUbuntu Security Notice 6494-2 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service or possibly expose sensitive information.
f60fcecace1faaeb9fc2bd6e186bb143ebb3802e541e9c577ab37e5ad12177f5Red Hat Security Advisory 2023-7557-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include information leakage and use-after-free vulnerabilities.
4e7b2a2de0846d1040a2460f1a6ad4c72b1b0e6004093b66999d03ea5123d43cRed Hat Security Advisory 2023-7551-01 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Issues addressed include information leakage and use-after-free vulnerabilities.
9ae4d441b603fc860b7e5b298118839a626cc19d4e19505a1af9c27ab42a7918Red Hat Security Advisory 2023-7549-01 - An update for kernel is now available for Red Hat Enterprise Linux 8. Issues addressed include a use-after-free vulnerability.
92888e0074421a151cce077773b5df49adc0591c683a00a5a2a7a46bb1d16a1aRed Hat Security Advisory 2023-7548-01 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Issues addressed include a use-after-free vulnerability.
06510719333da18fe04412a3a7b8da6f25f5b109c6c8732343c9ea0c9fdd40aaRed Hat Security Advisory 2023-7539-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include a use-after-free vulnerability.
efa6795d8960fa83558362ac6a9c13c685bf3586a32dbd4fde60b4bd064fb67cIt was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). It was discovered that the virtual terminal driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). Various other issues were discovered and addressed.
ee52836c711111ecd52b6c4162409caa5a393b4ec4571f1e5de8d4ace83228b9Ubuntu Security Notice 6520-1 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.
819987813ef542ac72c57ea8cd7eca7b0438dc7b875007bd591418d3b8391709Ubuntu Security Notice 6502-3 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
da2732a3a740d4fca2ae7b8f3b2c756f10e54524b9befd3f0a32d934e89d8c5fUbuntu Security Notice 6502-2 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
3844c5b07f62a7f21e7da4b17678c476911376d85f2c2699a0fd527b28dae8a9Ubuntu Security Notice 6516-1 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.
e7ba5ff6d6d35068a385124ee99fb4cdf9ca4e686d62ac89918e057c43160a7bUbuntu Security Notice 6503-1 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service or possibly execute arbitrary code.
f49422348439f73d6b38b42749f79884cebe5eadebb4f303ea755ef60d55b31dUbuntu Security Notice 6502-1 - Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service.
8b281c71f5499aa0d9babf8be280fa9bfb686118750a8a2f47909b213297ce1d
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