It 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 6442-1 - Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the netfilter subsystem in the Linux kernel did not properly handle PIPAPO element removal, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service or execute arbitrary code.
624ca94c1f61f0b559f33ddb2227d18b1b0967ea91bffacbc1c10b4b19320a6dIt was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. 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 also addressed.
cee33fcedd3c531f91ff1d0a8fe1060cf9d74dad35ef33c6828c5de7d753e527This Metasploit module exploits an unsafe .NET deserialization vulnerability to achieve unauthenticated remote code execution against a vulnerable WS_FTP server running the Ad Hoc Transfer module. All versions of WS_FTP Server prior to 2020.0.4 (version 8.7.4) and 2022.0.2 (version 8.8.2) are vulnerable to this issue. The vulnerability was originally discovered by AssetNote.
67c3ec27f34dd597203794dd63375f1b12dc8aadd9a36aed8d054aa388c58b83Red Hat Security Advisory 2023-5244-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include information leakage, out of bounds write, and use-after-free vulnerabilities.
2d37542ffeef6aa7c393c541f56dba5c05c37d66228b869b552effea838c1489Red Hat Security Advisory 2023-5255-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine- tuning for systems with extremely high determinism requirements. Issues addressed include information leakage, out of bounds write, and use-after-free vulnerabilities.
258b79c6d38731112095e3861aa827e7da64cfdb743f048033bd446d901f450cRed Hat Security Advisory 2023-5221-01 - 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 out of bounds write and use-after-free vulnerabilities.
90b863a69ef3aaeeadf4c84256e8105c90c054203054b9c02dcef9c670542b6cRed Hat Security Advisory 2023-5069-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, information leakage, and use-after-free vulnerabilities.
d1d2671f8a3af58445d1e0aa04838bed4cb8aa8eca76d4c0771529fae16ba345Red Hat Security Advisory 2023-5091-01 - 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, information leakage, and use-after-free vulnerabilities.
692e3399682d917e015031b7ecbf9074ae894e373dd78e0e924c5ef7cd103383Red Hat Security Advisory 2023-5093-01 - 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 a use-after-free vulnerability.
d823b3d002e6c5a51689e4caf4dc36b044651db9819d7381ddde6dfeea7a833eDebian Linux Security Advisory 5492-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
60277f2faef1ae1013aaa8886111d7c6bc6dc369ef63d5538109f991fe7534eaUbuntu Security Notice 6348-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
21bd7ad16821bcaedade2c6fb31460d77707aeb86f94702a8dbdf11003cb7e00Red Hat Security Advisory 2023-4961-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.
6684389df31fc20aede82599f99fafc894611d2c55fac3be32a4e69245e35cdcRed Hat Security Advisory 2023-4967-01 - 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 out of bounds write and use-after-free vulnerabilities.
5e22461312df0e509649b6a701ce80d7ddb1c340b7ff0348a3ad838f96cc31faRed Hat Security Advisory 2023-4962-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include out of bounds access, out of bounds write, and use-after-free vulnerabilities.
53ab97930ec953dffbca45e4e056a2e6296372ccd616bd9dc629e8f5df8fa6e6Ubuntu Security Notice 6330-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
deecf2a1038859bc54e7bc4552ec064b918fba9c85121f69ac6b49fd50ccbe1aUbuntu Security Notice 6328-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
c4feb5d7fc10a439682355b4dd5a2b38977e66c51fb19680ebef69b62ce10d71Ubuntu Security Notice 6325-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
1743858f505c25ed449fa21a975dfb6ace00d74d103e7f67dbdfab548290c4f7Ubuntu Security Notice 6321-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
1d629b070b7634bff1f72ea8b938d3be648a4d6ec0907851c41c3d3277248fcfUbuntu Security Notice 6318-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
1b7bbe8779efdf714318dc0d4a82b27e5611d839a9924800d8d0dbcd7ea7ca73Ubuntu Security Notice 6316-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
c4c9a23e316d26047a6db3093dd14fc8354a59af890d65bbbcff901cc0546675Ubuntu Security Notice 6315-1 - Daniel Moghimi discovered that some Intel Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. 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.
873c4cefd57f45a1c8bc078ea3edde1dcdd2a6df91f90b68d4e4fd025a0371b4
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