CVE-2026-53014

CVE-2026-53014 : In the Linux kernel, the net/sched component (act_mirred) had a bug in tcf_blockcast_redir where the mac_header_xmit flag was checked on the wrong device during redirection across multiple devices. The loop sends to dev_prev but queries dev_is_mac_header_xmit(dev), which checks t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: veth: Ensure that the eth header is in the linear part of the skb structure. After feeding a decapsulated packet to a veth device using actmirred, skbheadlen might be set to 0. However, vethxmit calls devforwardskb, which expects...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15

A flaw was discovered in the Linux kernel’s Traffic Control TC subsystem. Using a specific networking configuration—redirecting egress packets to ingress using the TC “mirred” action—a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or...

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 20.1070a 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 / 20.1070e 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 20.1050e / 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 / 20.1060e / 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-2026-007274)

"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-2026-007242)

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...

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: Do not override retval if we have already lost the skb. If we are redirecting the skb, and have not yet called tcfmirredforward, we need to inform the kernel to discard the skb by setting the retcode to SHOT...

kernel: net/sched: Fix mirred deadlock on device recursion

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix mirred deadlock on device recursion The Linux kernel CVE team has assigned CVE-2024-27010 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050148-CVE-2024-27010-5a68@gregkh/T...

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

A potential deadlock flaw was found in net/sched/actmirred.c in the Linux kernel. This may lead to compromised Availability...

SUSE CVE-2022-49066

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 device with actmirred, skbheadlen may be 0. But vethxmit calls devforwardskb, which expects at least ETHHLEN byte of linear data as...

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

A potential deadlock flaw was found in net/sched/actmirred.c in the Linux kernel. This may lead to compromised Availability...