CVE-2024-49952

The CVE-2024-49952 vulnerability affects the Linux kernel nf_tables/netfilter path, caused by unsafe writes to per-CPU nf_skb_duplicated in nf_dup_ipv4()/nf_dup_ipv6() when preemption is enabled. The issue arises because __this_cpu_write() is used in preemptible code, risking corruption of the pe...

CVE-2024-49952 netfilter: nf_tables: prevent nf_skb_duplicated corruption

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6 could write per-cpu variable nfskbduplicated in an unsafe way 1. Disabling preemption as hinted by the splat is not enough, we have ...

CVE-2024-49952 netfilter: nf_tables: prevent nf_skb_duplicated corruption

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6 could write per-cpu variable nfskbduplicated in an unsafe way 1. Disabling preemption as hinted by the splat is not enough, we have ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a potential corruption of the netfilter component nftables at nfskbduplicated...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2024-12782)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12782 advisory. - VMCI: Fix use-after-free when removing resource in vmciresourceremove David Fernandez Gonzalez Orabug: 37037205 CVE-2024-46738 - exec: Fix ToCTo...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2024-12779)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12779 advisory. - driver core: Fix ueventshow vs driver detach race Dan Williams Orabug: 37029154 CVE-2024-44952 - VMCI: Fix use-after-free when removing resource in...

ROS-20241008-10

Vulnerability of u32initknode function in net/sched/clsu32.c module of Linux kernel is related to reuse of previously freed memory. Exploitation of the vulnerability could allow an attacker to affect the confidentiality, integrity, and availability of protected information or elevate their...

CBL Mariner 2.0 Security Update: hyperv-daemons (CVE-2024-27397)

The version of hyperv-daemons installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27397 advisory. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timesta...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Amazon Linux 2 : kernel (ALASKERNEL-5.4-2024-083)

The version of kernel installed on the remote host is prior to 5.4.282-194.378. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2024-083 advisory. 2024-12-05: CVE-2024-41042 was added to this advisory. 2024-09-12: CVE-2024-44944 was added to this...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2024-069)

The version of kernel installed on the remote host is prior to 5.10.224-212.876. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2024-069 advisory. 2024-12-05: CVE-2024-41042 was added to this advisory. 2024-09-26: CVE-2024-42302 was added to this...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout CVE-2024-27397 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prefer nftchainvalidate CVE-2024-41042 In...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-27019)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27019 advisory. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-27020)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27020 advisory. - In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix potential...

kernel: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get()

A potential data-race flaw was found in nftobjtypeget in the Linux kernel. This issue can lead to a crash...

kernel: netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path

A flaw was found in the Linux kernel’s Netfilter nftables module. The issue arises from improper mutex handling during the garbage collection GC process. The problem occurs between the critical functions nftgcseqbegin and nftgcseqend, where a mutex lock is incorrectly released too early, leading ...

RHEL 9 : kernel (RHSA-2024:5928)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5928 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nftables: nftsetrbtree skip en...

The vulnerability of the __nft_obj_type_get() function in the nf_tables component of the Linux operating system allows a attacker to disclose protected information.

The vulnerability of the nftobjtypeget function in the nftables component of the Linux operating system is related to a potential data race condition in nftobjtypeget, where nftunregisterobj is executed simultaneously with nftobjtypeget. Exploiting this vulnerability could allow an attacker to...

SUSE CVE-2022-48933

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix memory leak during stateful obj update stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose. The -init function was called for this...

CVE-2022-48933

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix memory leak during stateful obj update stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose. The -init function was called for this...