Linux Distros Unpatched Vulnerability : CVE-2023-53619

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the...

SUSE CVE-2023-53619

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

SUSE CVE-2023-53635

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

EUVD-2025-31857

A security flaw has been discovered in projectworlds Advanced Library Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /editbook.php. The manipulation of the argument image results in unrestricted upload. It is possible to launch the attack remotely. T...

RockyLinux 10 : kernel (RLSA-2025:15005)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:15005 advisory. kernel: udp: Fix memory accounting leak. CVE-2025-22058 kernel: netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 kernel: ext4: onl...

Linux Distros Unpatched Vulnerability : CVE-2025-39894

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: brnetfilter: do not check confirmed bit in brnflocalin after confirm When send a broadcast packet to a tap device, which was added to a bridge,...

CVE-2023-53635

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

AZL-76410 CVE-2023-53635 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

CVE-2023-53619

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

UBUNTU-CVE-2023-53635

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

UBUNTU-CVE-2023-53619

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

EUVD-2025-32781

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

CVE-2023-53635

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

CVE-2023-53635 netfilter: conntrack: fix wrong ct->timeout value

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

CVE-2023-53635

CVE-2023-53635 concerns a Linux kernel conntrack timeout bug in nfnetlink_queue: the nf_conn->timeout value could be doubled/subtracted due to incorrect handling when unconfirmed vs. confirmed conntracks. The connected OpenVAS/Nessus entries document the fix as separating how ct->timeout is...

CVE-2023-53635 netfilter: conntrack: fix wrong ct->timeout value

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: fix wrong ct-timeout value struct nfconn-timeout is an interval before the conntrack confirmed. After confirmed, it becomes a timestamp. It is observed that timeout of an unconfirmed conntrack: - Set by...

CVE-2023-53619

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

EUVD-2025-32800

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

CVE-2023-53619 netfilter: conntrack: Avoid nf_ct_helper_hash uses after free

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid nfcthelperhash uses after free If nfconntrackinitstart fails for example due to a registernfconntrackbpf failure, the nfconntrackhelperfini clean-up path frees the nfcthelperhash map. When built with...

CVE-2023-53619

Summary (CVE-2023-53619): Linux kernel netfilter conntrack may use a freed nf_ct_helper_hash when nf_conntrack_init_start() fails and nf_conntrack_helpers_register() runs later, leading to a use-after-free and potential memory corruption. The issue occurs on builds with NF_CONNTRACK enabled and c...