Huawei EulerOS: Security Advisory for nss (EulerOS-SA-2021-1931)

The remote host is missing an update for the Huawei EulerOS 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...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4983-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4983-1 advisory. Piotr Krysiuk discovered that the eBPF implementation in the Linux kernel did not properly enforce limits for pointer operations. A local attacker could...

EulerOS 2.0 SP9 : nss (EulerOS-SA-2021-1931)

According to the version of the nss packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly...

EulerOS 2.0 SP9 : nss (EulerOS-SA-2021-1952)

According to the version of the nss packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly...

Denial Of Service (DoS)

linux-gke-5.3:bionic is vulnerable to denial of service. An issue was discovered in the Linux kernel kernel/bpf/verifier.c has an off-by-one error with a resultant integer underflow affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre...

Information Disclosure

kernel is vulnerable to information disclosure. An out-of-bounds speculation on pointer arithmetic in kernel/bpf/verifier.c allows side-channel attacks that defeat Spectre mitigations and allows an attacker to obtain confidential information from kernel memory...

Mozilla Begins Rolling Out 'Site Isolation' Security Feature to Firefox Browser

Mozilla has begun rolling out a new security feature for its Firefox browser in nightly and beta channels that aims to protect users against a new class of side-channel attacks from malicious sites. Called "Site Isolation," the implementation loads each website separately in its own operating...

SUSE-SU-2021:1622-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29650: Fixed an issue with the netfilter subsystem that allowed attackers to cause a denial of service panic because net/netfilter/xtables.c and...

SUSE-SU-2021:1605-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-36312: Fixed an issue within virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. - CVE-2021-29650: Fix...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1595-1)

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue within virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fixed an...

SUSE-SU-2021:1595-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-36312: Fixed an issue within virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. - CVE-2021-29650: Fixed ...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:1572-1)

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-36312: Fixed an issue within virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. CVE-2021-29650: Fix...

OPENSUSE-SU-2021:0716-1 Security update for the Linux Kernel

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29650: The netfilter subsystem allowed attackers to cause a denial of service panic because net/netfilter/xtables.c and include/linux/netfilter/xtables.h lack a...

SUSE-SU-2021:1574-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-29650: Fixed an issue with the netfilter subsystem that allowed attackers to cause a denial of service panic because net/netfilter/xtables.c and...

SUSE-SU-2021:1573-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-36312: Fixed an issue in virt/kvm/kvmmain.c that had a kvmiobusunregisterdev memory leak upon a kmalloc failure bnc1184509. - CVE-2021-29650: Fixed an issue...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9222)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9222 advisory. - bpf, x86: Validate computation of branch displacements for x86-64 Piotr Krysiuk Orabug: 32759961 CVE-2021-29154 - ext4: handle error of...

Information disclosure

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

CVE-2021-31829 affects the Linux kernel’s eBPF verifier (kernel/bpf/verifier.c) and describes speculative-load handling that could leak kernel memory via side-channels. The Initial document notes the flaw up to kernel 5.12.1 and references remediation through patched kernels; Connected documents ...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...