Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: Fixed a heap buffer overflow in ioam6fillTraceData. In the receive path, ioam6fillTraceData uses trace-nodelen to determine how much data to write for each node. It relies on this field directly from the incoming...

RockyLinux 10 : kernel (RLSA-2026:51295)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:51295 advisory. kernel: ipv6: ioam: fix heap buffer overflow in ioam6filltracedata CVE-2026-43186 Bug Fixes and Enhancements: kernel panics caused by NULL pointer dereferences...

EUVD-2026-45817

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: refresh hdr pointer before ioam6event Reported by Sashiko: In ipv6hopioam, the hdr pointer is initialized to point into the skb's linear data buffer. Later, the code calls skbensurewritable, which might reallocate the...

PT-2026-61449

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ipv6 hop ioam function where the hdr pointer is not updated after a call to skb ensure writable. If the socket buffer skb is cloned or lacks sufficient linear...

Linux Distros Unpatched Vulnerability : CVE-2026-43341

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores th...

SUSE CVE-2026-43341

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

EUVD-2026-28625

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

CVE-2026-43341

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

UBUNTU-CVE-2026-43341

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

CVE-2026-43341

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

CVE-2026-43341 net/ipv6: ioam6: prevent schema length wraparound in trace fill

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

CVE-2026-43341 net/ipv6: ioam6: prevent schema length wraparound in trace fill

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

Linux Distros Unpatched Vulnerability : CVE-2026-43186

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix heap buffer overflow in ioam6filltracedata On the receive path,...

CVE-2026-43083

A flaw was found in the Linux kernel's ioam6 network module. A remote attacker could potentially trigger an out-of-bounds access in the skbgettxqueue function by sending specially crafted network packets. This occurs when an ingress device has more receive queues than the egress device has transm...

EUVD-2026-27576

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array when...

CVE-2026-43083

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array when...

CVE-2026-43083 net: ioam6: fix OOB and missing lock

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array when...

CVE-2026-43083 net: ioam6: fix OOB and missing lock

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array when...

Linux Distros Unpatched Vulnerability : CVE-2026-43083

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb %NASLMINLEVEL 80900 C Tenable, Inc...

PT-2026-37393

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net: ioam6 component where an out-of-bounds access of the dev- tx array can occur when is input is true. This happens because skb get tx queue does not clamp the...