PT-2026-61299

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A loop detection failure exists in the network scheduler when using mirred redirects. Specifically, when a packet is redirected to ingress from either ingress or egress, the loop state...

PT-2026-61298

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack overflow occurs in the Linux kernel due to a recursion bypass in the tcf mirred act function. The function uses a counter sched mirred nest to limit recursion depth, but when the...

Linux Distros Unpatched Vulnerability : CVE-2026-53014

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to...

CVE-2026-53014

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to multiple devices, the macheaderxmit flag is queried from the wrong device...

CVE-2026-53014

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to multiple devices, the macheaderxmit flag is queried from the wrong device...

CVE-2026-53014

CVE-2026-53014 (Linux kernel net/sched: act_mirred) has concrete details across multiple sources. The bug in tcf_blockcast_redir loops over block ports to redirect packets to multiple devices and erroneously queries the mac_header_xmit flag from the NEXT device instead of the device being sent to...

CVE-2026-53014 net/sched: act_mirred: fix wrong device for mac_header_xmit check in tcf_blockcast_redir

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to multiple devices, the macheaderxmit flag is queried from the wrong device...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013471 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: use the backlog for mirred ingress The test Davide added in commit...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011358 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: use the backlog for mirred ingress The test Davide added in commit...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011355)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011355 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012969)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012969 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007274)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007274 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix mirred deadlock on device recursion When the mirred action is used on a classful...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007241)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007241 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: don't override retval if we already lost the skb If we're redirecting the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007242)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007242 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: use the backlog for mirred ingress The test Davide added in commit...

PT-2026-51908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tcf blockcast redir function where the mac header xmit flag is queried from the incorrect device when iterating through block ports to redirect packets. The system...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990457)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990457 advisory. In the Linux kernel, the following vulnerability has been resolved: veth: Ensure eth header is in skb's linear part After feeding a decapsulated packet to a veth...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989194)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989194 advisory. In the Linux kernel, the following vulnerability has been resolved: veth: Ensure eth header is in skb's linear part After feeding a decapsulated packet to a veth...

net/sched: act_mirred: don't override retval if we already lost the skb

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net/sched: act_mirred: use the backlog for mirred ingress

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The vulnerability of the tcf_mirred_to_dev() function in the net/sched/act_mirred.c module of the network/scheduling subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the tcfmirredtodev function in the net/sched/actmirred.c module of the network/scheduling subsystem of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...