Advisory ROSA-SA-2021-1855

Software: iptables 1.4.21 OS: Cobalt 7.9 CVE-ID: CVE-2012-2663 CVE-Crit: CRITICAL CVE-DESC: extension / libxttcp.c in iptables before 1.4.21 does not match TCP SYN + FIN packets in --syn rules, which may allow remote attackers to bypass intended firewall restrictions using crafted packets. NOTE:...

SUSE: Security Advisory (SUSE-SU-2015:0581-1)

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...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1950)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsitransport...

DEBIAN-CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

Information disclosure

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177

CVE-2021-20177: Linux kernel flaw in string matching for packets; a privileged user (root or CAP_NET_ADMIN) inserting iptables rules can trigger a kernel panic. Affected kernels before 5.5-rc1. Mitigation is to apply a patch/upstream fix (5.5-rc1 or newer).

CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

CVE-2021-20177: Out-of-bounds Read

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

kernel: netfilter: use-after-free in the packet processing context

A use-after-free flaw was found in the packet processing context in net/netfilter/xtables.c in netfilter in the Linux Kernel. This issue occurs when the per-CPU sequence count is mishandled during concurrent iptables rules replacement and can be exploited with the CAPNETADMIN capability in an...

kernel: netfilter: use-after-free in the packet processing context

A use-after-free flaw was found in the packet processing context in net/netfilter/xtables.c in netfilter in the Linux Kernel. This issue occurs when the per-CPU sequence count is mishandled during concurrent iptables rules replacement and can be exploited with the CAPNETADMIN capability in an...

iptables bug fix and enhancement update

An update is available for iptables. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Enterpris...

iptables bug fix and enhancement update

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section...

EulerOS 2.0 SP8 : kernel (EulerOS-SA-2021-1879)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when...

EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1715)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9038)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9038 advisory. - netfilter: add and use nfhookslowlist Florian Westphal Orabug: 32372530 CVE-2021-20177 - target: fix XCOPY NAA identifier lookup David Disseldorp...

Security update for connman (moderate)

openSUSE Security Update: Security update for connman Announcement ID: openSUSE-SU-2021:0452-1 Rating: moderate References: 1181751 Cross-References: CVE-2021-26675 CVE-2021-26676 CVSS scores: CVE-2021-26675 NVD : 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-26676 NVD : 6.5...