CVE-2025-39894 netfilter: br_netfilter: do not check confirmed bit in br_nf_local_in() after confirm

In the Linux kernel, the following vulnerability has been resolved: 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, brnflocalin is called to confirm the conntrack. If another conntrack with...

CVE-2025-39894

CVE-2025-39894 affects the Linux kernel netfilter bridge path (br_netfilter) specifically br_nf_local_in(). The issue arises when a broadcast packet to a tap device added to a bridge triggers br_nf_local_in() to confirm a conntrack; if another conntrack with the same hash is added, a warning may ...

kernel: netfilter: nf_conntrack: fix crash due to removal of uninitialised entry

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: fix crash due to removal of uninitialised entry A crash in conntrack was reported while trying to unlink the conntrack entry from the hash bucket list: exception RIP: nfctdeletefromlists+172 .. 7...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: netfilter: nf_conntrack: fix crash due to removal of uninitialised entry

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: fix crash due to removal of uninitialised entry A crash in conntrack was reported while trying to unlink the conntrack entry from the hash bucket list: exception RIP: nfctdeletefromlists+172 .. 7...

RHEL 9 : kernel (RHSA-2025:16880)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16880 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrack: fix...

Linux Distros Unpatched Vulnerability : CVE-2023-53333

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh =...

SUSE CVE-2023-53333

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

CVE-2023-53333

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

DEBIAN-CVE-2023-53333

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

CVE-2023-53333

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

UBUNTU-CVE-2023-53333

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

CVE-2023-53333 netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

CVE-2023-53333 netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

CVE-2023-53333 netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet says: nfconntrackdccppacket has an unique: dh = skbheaderpointerskb, dataoff, sizeofdh, &dh; And nothing more is 'pulled' from the...

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 the Linux kernel that stems from the netfilter conntrack dccp component not copying the header to the stack buffer in its entirety, which cou...

PT-2025-40068

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc2-dirty 44 Description The Linux kernel contains an issue within the netfilter module, specifically in the br netfilter component. A hash collision can occur when handling broadcast packets sent to a...

AZL-73896 CVE-2025-38721 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While its very unlikely, its possible that ct == last. If this...

DEBIAN-CVE-2025-38721

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While its very unlikely, its possible that ct == last. If this...