RHEL 7 : kernel (RHSA-2021:3812)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3812 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Improper handling of...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

Important: Red Hat Security Advisory: kpatch-patch security update

An update is now available for Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: powerpc: KVM guest OS users can cause host OS memory corruption

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtasargs.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel security and bug fix update

3.10.0-1160.45.1.OL7 - Update Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 = 15-2.0.9 - Update oraclekernel-sig-key...

Unbreakable Enterprise kernel-container security update

5.4.17-2102.206.1 - Revert 'scsi: core: Cap scsihost cmdperlun at canqueue' Jack Vogel Orabug: 33403144 5.4.17-2102.206.0 - Revert 'uek-rpm: Don't recompute build-ids for kernel-uek-debuginfo' Jack Vogel Orabug: 33245043 - integrity: Load mokx variables into the blacklist keyring Eric Snowberg...

Unbreakable Enterprise kernel security update

5.4.17-2102.206.1 - Revert 'scsi: core: Cap scsihost cmdperlun at canqueue' Jack Vogel Orabug: 33403144 5.4.17-2102.206.0 - Revert 'uek-rpm: Don't recompute build-ids for kernel-uek-debuginfo' Jack Vogel Orabug: 33245043 - integrity: Load mokx variables into the blacklist keyring Eric Snowberg...

Unbreakable Enterprise kernel security update

4.1.12-124.56.1 - ocfs2: subsystem.sumutex is required while accessing the item-ciparent alex chen Orabug: 29184589 CVE-2017-18216 - bcache: fix potential deadlock problem in btreegccoalesce Zhiqiang Liu CVE-2020-12771 - filldir64: remove WARNONONCE for bad directory entries Linus Torvalds Orabug...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5106-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5106-1 advisory. Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this t...

USN-5106-1 linux-oem-5.10 vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 It was discovered that the Linux kernel did not properly enforce certain types of entries in the Secure...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

RHEL 7 : kernel (RHSA-2021:3725)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3725 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Improper handling of...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. When reusing a socket with an attached dccpshctxccid as a listener, the socket will be used after being released leading to denial of service DoS or a potential code execution. The highest threat from this vulnerability is to data...

Amazon Linux AMI : kernel (ALAS-2021-1539)

The version of kernel installed on the remote host is prior to 4.14.248-129.473. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1539 advisory. A flaw was found in the Linux kernel. When reusing a socket with an attached dccpshctxccid as a listener, the socke...