PT-2026-82915

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A false-positive memcpy overflow occurs in the tun dst unclone function within the dst metadata component. When built with clang and source fortification, the compiler incorrectly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: preserved skbendoffset in skbunclonekeeptruesize syzbot discovered another way to trigger the infamous WARNONONCE delta truesize, and also ensure that TCP does not fill the new tailroom that skbexpandhead could obtain fro...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013482)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013482 advisory. In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005494)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005494 advisory. In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the...

DEBIAN-CVE-2022-49142

In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the infamous WARNONONCEdelta truesize value, we also need to make sure TCP wont fill new tailroom that pskbexpandhead was able to get from a...

UBUNTU-CVE-2022-49142

In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the infamous WARNONONCEdelta truesize value, we also need to make sure TCP wont fill new tailroom that pskbexpandhead was able to get from a...

CVE-2022-49142 net: preserve skb_end_offset() in skb_unclone_keeptruesize()

In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the infamous WARNONONCEdelta truesize value, we also need to make sure TCP wont fill new tailroom that pskbexpandhead was able to get from a...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an unreserved skbendoffset in skbunclonekeeptruesize...

DEBIAN-CVE-2022-48809

In the Linux kernel, the following vulnerability has been resolved: net: fix a memleak when uncloning an skb dst and its metadata When uncloning an skb dst and its associated metadata, a new dst+metadata is allocated and later replaces the old one in the skb. This is helpful to have a non-shared...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

kernel: net: preserve skb_end_offset() in skb_unclone_keeptruesize()

In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the infamous WARNONONCEdelta truesize value, we also need to make sure TCP wont fill new tailroom that pskbexpandhead was able to get from a...

PT-2022-29365

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.17.2 Description The issue concerns the preservation of skb end offset in skb unclone keeptruesize. It was introduced in version v5.16 and fixed in version v5.17.2. The actual impact and attack plausibility ha...

PT-2022-29695

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.19 Description The issue concerns the preservation of skb end offset in skb unclone keeptruesize. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel version...

PT-2022-30019

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.15.5 through v5.15.32 Description The issue is related to the preservation of skb end offset in skb unclone keeptruesize. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2022-38023

Уязвимость функции skb unclone keeptruesize модуля net/core/skbuff.h поддержки сетевых функций ядра операционной системы Linux связана с несанкционированным вызовом утверждения. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

PT-2025-8070

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b Description A vulnerability has been identified in the Linux kernel, specifically in the skb unclone keeptruesize function. The issue arises when the kernel fails to...