CVE-2026-74564

A flaw was found in the Linux kernel, specifically within the netfilter xthashlimit module. Improper validation of the XTHASHLIMITRATEMATCH flag can lead to uninitialized access to memory. This occurs when multiple rules refer to the same hashtable or when the flag is used with an older revision,...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure, which represents an entry in the hashtable. There is a union area that...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142506)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142506 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH...

SUSE CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

AZL-96564 CVE-2026-74564 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

UBUNTU-CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564 netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564

CVE-2026-74564 concerns Linux kernel netfilter xt_hashlimit, where the XT_HASHLIMIT_RATE_MATCH flag can cause uninitialized access to the burst field in the dsthash_ent union when two or more rules reference the same hashtable. A kernel fix updates the .checkentry path to require the RATE_MATCH m...

EUVD-2026-59629

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564 netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564 netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

Linux Distros Unpatched Vulnerability : CVE-2026-74564

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure...

CVE-2026-74564: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

PT-2026-73016

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter module where the XT HASHLIMIT RATE MATCH flag mode alters the semantics of the dsthash ent structure used for hashtable entries. This structure contains ...

Oracle Linux 5.7 kernel security and bug fix update

2.6.18-274.el5 - xen svm: fix invlpg emulator regression Paolo Bonzini 719894 2.6.18-273.el5 - Revert: fs proc: Fix rmmod/read/write races in /proc entries Jarod Wilson 717068 - xen disregard trailing bytes in an invalid page Paolo Bonzini 717742 - xen prep getinstructionlengthfromlist for partia...