netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

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CVE-2026-45889

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. This vulnerability occurs due to incorrect accounting for out-of-order OoO data in the mptcprcvbufgrow function. A subtle and very unlikely race condition could lead to a divide-by-zero error, potentially causing a system...

PT-2026-44284

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A divide-by-zero error exists in the setup geo function within the md/raid10 module. The issue occurs when the setup geo function extracts near copies nc and far copies fc from the...

UBUNTU-CVE-2026-45889

In the Linux kernel, the following vulnerability has been resolved: mptcp: do not account for OoO in mptcprcvbufgrow MPTCP-level OoOs are physiological when multiple subflows are active concurrently and will not cause retransmissions nor are caused by drops. Accounting for them in mptcprcvbufgrow...

SUSE CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

A flaw was found in the Linux kernel's netfilter component. A local attacker with CAPNETADMIN capabilities, which grants certain network administration privileges, could trigger a divide-by-zero error by adding a specially crafted fingerprint via nfnetlink. This vulnerability could lead to a kern...

CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

UBUNTU-CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841 netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

EUVD-2026-32167

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

CVE-2026-45841 affects the Linux kernel netfilter nfnetlink_osf in the OSF_WSS_MODULO path. The root cause is a divide-by-zero in nf_osf_match_one() when ctx->window is taken modulo f->wss.val with no guard for f->wss.val == 0. A CAP_NET_ADMIN user can add such a fingerprint via nfnetlin...

CVE-2026-45841 netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

PT-2026-43675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A divide-by-zero error exists in the netfilter component within the nf osf match one function. The issue occurs in the OSF WSS MODULO branch when calculating ctx-window % f-wss.val witho...

CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

Linux Distros Unpatched Vulnerability : CVE-2026-45841

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero errors In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from the user. Then, the functions fbsetvar and info-fbops-fbcheckvar will be called, which might...

Astra Linux – Vulnerability in giflib

Before February 16, 2019, a malformed GIF file would trigger a divide-by-zero exception in the decoder function DGifSlurp in dgiflib.c, especially when the height field of the ImageSize data structure was equal to zero...

Astra Linux – Vulnerability in imagemagick

In GammaImage of /MagickCore/enhance.c, depending on the gamma value, it is possible for a divide-by-zero condition to occur when a specially crafted input file is processed by ImageMagick. This could affect the availability of the application. The patch uses PerceptibleReciprocal to prevent such...