ip6_gre: make ip6gre_header() robust

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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002346)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002346 advisory. Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002048)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002048 advisory. The skbflowdissect function in net/core/flowdissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service infinite loop via a sma...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002299)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002299 advisory. Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001984 advisory. The skbflowdissect function in net/core/flowdissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service infinite loop via a sma...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001033)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001033 advisory. Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service...

CVE-2023-49062

Katran could disclose non-initialized kernel memory as part of an IP header. The issue was present for IPv4 encapsulation and ICMP v4 Too Big packet generation. After a bpfxdpadjusthead call, Katran code didn’t initialize the Identification field for the IPv4 header, resulting in writing content ...

PT-2026-26114

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's UDP GRO Generic Receive Offload complete stage. The UDP GRO complete stage incorrectly assumes that the encapsulation flag is zeroed for all packets...

PT-2026-4665

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained an issue within the ip6 tunnel component where the code did not properly handle VLAN encapsulations. Specifically, the commit responsible did not account for...

PT-2026-6142

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a memory leak in the l2tp udp encap recv function. The issue was identified by syzbot, which reported a memory leak of structures like l2tp session, l2tp tunnel...

PT-2026-6165

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s GUE Generic UDP Encapsulation protocol handler contains a memory leak when processing packets with an inner IP protocol of 0. The issue occurs because gue udp recv...

SUSE CVE-2023-54148

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Move representor neigh cleanup to profile cleanuptx For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, as the flow is duplicated to the peer eswitch, the related neighbour information on the peer uplink...

EUVD-2023-60297

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Move representor neigh cleanup to profile cleanuptx For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, as the flow is duplicated to the peer eswitch, the related neighbour information on the peer uplink...

EUVD-2023-60303

In the Linux kernel, the following vulnerability has been resolved: gtp: Fix use-after-free in gtpencapdestroy. syzkaller reported use-after-free in gtpencapdestroy. 0 It shows the same process freed sk and touched it illegally. Commit e198987e7dd7 "gtp: fix suspicious RCU usage" added locksock a...

CVE-2023-54074

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use correct encap attribute during invalidation With introduction of post action infrastructure most of the users of encap attribute had been modified in order to obtain the correct attribute by calling...

CVE-2023-54142

In the Linux kernel, the following vulnerability has been resolved: gtp: Fix use-after-free in gtpencapdestroy. syzkaller reported use-after-free in gtpencapdestroy. 0 It shows the same process freed sk and touched it illegally. Commit e198987e7dd7 "gtp: fix suspicious RCU usage" added locksock a...

CVE-2023-54142 gtp: Fix use-after-free in __gtp_encap_destroy().

In the Linux kernel, the following vulnerability has been resolved: gtp: Fix use-after-free in gtpencapdestroy. syzkaller reported use-after-free in gtpencapdestroy. 0 It shows the same process freed sk and touched it illegally. Commit e198987e7dd7 "gtp: fix suspicious RCU usage" added locksock a...

Linux kernel 安全漏洞

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 Linux kernel that stems from the use of the wrong encapsulation attribute when invalidating encapsulation, which could result in a Modify...

PT-2025-53225

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the net/mlx5e module related to the handling of neighbor information during ECMP Equal-Cost Multipath mode with IP tunnel encapsulation. Specifically,...

Siemens SCALANCE and RUGGEDCOM Devices NULL Pointer Dereference (CVE-2024-46677)

gtp: fix NULL pointer dereference. When sockfdlookup fails, gtpencapenablesocket returns a NULL pointer, but its callers only check for error pointers thus miss the NULL pointer case. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...