USN-4576-1: Linux kernel vulnerabilities

Hadar Manor discovered that the DCCP protocol implementation in the Linux kernel improperly handled socket reuse, 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. CVE-2020-16119 Jay Shin...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4578-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4578-1 advisory. Hadar Manor discovered that the DCCP protocol implementation in the Linux kernel improperly handled socket reuse, leading to a use-after-free...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4579-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4579-1 advisory. Hadar Manor discovered that the DCCP protocol implementation in the Linux kernel improperly handled socket reuse, leading to a use-after-free...

Ubuntu: Security Advisory (USN-4579-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

Unbreakable Enterprise kernel security update

5.4.17-2011.7.4 - iommu/amd: Restore IRTE.RemapEn bit for amdiommuactivateguestmode Suravee Suthikulpanit Orabug: 31931369 - iommu/amd: Fix potential @entry null deref Joao Martins Orabug: 31931369 - iommu/amd: Restore IRTE.RemapEn bit after programming IRTE Suravee Suthikulpanit Orabug: 31931369...

Unbreakable Enterprise kernel security update

4.14.35-2025.401.4 - KVM: x86: always expose VIRTSSBD to guests Paolo Bonzini Orabug: 31957046 4.14.35-2025.401.3 - iommu/amd: Restore IRTE.RemapEn bit after programming IRTE Suravee Suthikulpanit Orabug: 31931371 - oracleasm: Access dbdev before dropping inode Stephen Brennan Orabug: 31901948 -...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5885)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5885 advisory. - ext4: fix potential negative array index in dosplit Eric Sandeen Orabug: 31895330 CVE-2020-14314 - mm/hugetlb: fix a race between hugetlb sysctl...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2020-2176)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2020-2176)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the...

Unbreakable Enterprise kernel security update

2.6.39-400.326.1 - ath9khtc: release allocated buffer if timed out Navid Emamdoost Orabug: 31351574 CVE-2019-19073 - USB: serial: ioti: fix information leak in completion handler Johan Hovold Orabug: 31352086 CVE-2017-8924 - mm/hugetlb: fix a race between hugetlb sysctl handlers Muchun Song Orabu...

Oracle Linux 7 : e2fsprogs (ELSA-2020-4011)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4011 advisory. 1.45.6-19 - fix issues with metabg when resizing file system 1849718 1.42.9-18 - fix out-of-bounds write on corrupted fs 1797731 - fix out-of-bounds...

e2fsprogs security and bug fix update

1.45.6-19 - fix issues with metabg when resizing file system 1849718 1.42.9-18 - fix out-of-bounds write on corrupted fs 1797731 - fix out-of-bounds write on corrupted fs 1768710 - fix e2fsprogs creating corrupted meta image 1711880 - fix typo in ext4 man page 1720130 - provide easy metod for...

Unbreakable Enterprise kernel security update

4.1.12-124.43.4 - kvm: fix kvmioctlcreatedevice reference counting CVE-2019-6974 Jann Horn Orabug: 29434845 CVE-2019-6974 - KVM: nVMX: unconditionally cancel preemption timer in freenested CVE-2019-7221 Peter Shier Orabug: 29434898 CVE-2019-7221 - KVM: x86: work around leak of uninitialized stack...

Arbitrary Code Execution

e2fsprogs is vulnerable to arbitrary code execution. The vulnerability exists through arafted ext4 partition that leads to out-of-bounds write...

Amazon Linux 2 : kernel (ALAS-2020-1495)

The version of kernel installed on the remote host is prior to 4.14.198-152.320. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1495 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and...

kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c

A use-after-free flaw was found in the Linux kernel’s ext4 file system functionality when the user mount ext4 partition, with the usage of an additional debug parameter is defining an extra inode size. If this parameter has a non zero value, this flaw allows a local user to crash the system when...

e2fsprogs: Out-of-bounds write in e2fsck/rehash.c

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability...

e2fsprogs: Crafted ext4 partition leads to out-of-bounds write

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability...

kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c

A flaw was found in the Linux kernel's ext4unlink function. An attacker could corrupt memory or escalate privileges when deleting a file from a recently unmounted specially crafted ext4 filesystem, including local, USB, and iSCSI...

kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c

A use-after-free flaw was found in the Linux kernel’s ext4 file system functionality when the user mount ext4 partition, with the usage of an additional debug parameter is defining an extra inode size. If this parameter has a non zero value, this flaw allows a local user to crash the system when...