USN-5728-2: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

Ubuntu: Security Advisory (USN-5467-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5468-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...

USN-5416-1: Linux kernel (OEM) vulnerabilities

Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use this to crash the host OS. CVE-2022-1158 It was discovered that the implementation ...

USN-5362-1: Linux kernel (Intel IOTG) vulnerabilities

Nick Gregory discovered that the Linux kernel incorrectly handled network offload functionality. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-25636 Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida...

Ubuntu: Security Advisory (USN-5210-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5218-1: Linux kernel (OEM) vulnerabilities

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. CVE-2021-4002 It was discovered that the eBPF implementation in the Linux...

Ubuntu: Security Advisory (USN-5165-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5165-1: Linux kernel (OEM) vulnerabilities

It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface NCI implementation. A local attacker could possibly use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3760 It was discovered...

USN-5139-1: Linux kernel (OEM 5.10) vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5094-1: Linux kernel vulnerabilities

It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4413-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4413-1 advisory. Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer....

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4412-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4412-1 advisory. Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer....

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-4411-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4411-1 advisory. It was discovered that the elf handling code in the Linux kernel did not initialize memory before using it in certain situations. A local attacker could...

USN-4413-1: Linux kernel vulnerabilities

Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service system crash. CVE-2020-10711 It was discovered that the SCSI generic sg driver in...

Debian DSA-4698-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2019-2182 Hanjun Guo and Lei Li reported a race condition in the arm64 virtual memory management code, which could lead to an information...

Debian DLA-2242-1 : linux-4.9 security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2019-2182 Hanjun Guo and Lei Li reported a race condition in the arm64 virtual memory management code, which could lead to an information disclosur...

Debian DSA-4667-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, or information leak. - CVE-2020-2732 Paulo Bonzini discovered that the KVM implementation for Intel processors did not properly handle instruction emulation for L2 guests...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2019-4612)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4612 advisory. - can: gw: ensure DLC boundaries after CAN frame modification Oliver Hartkopp Orabug: 29215297 CVE-2019-3701 CVE-2019-3701 - exec: Fix mem leak in...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3932-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3932-1 advisory. It was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a...