CVE-2026-64577

A flaw was found in the Linux kernel's GPRS Tunnelling Protocol GTP module. This vulnerability occurs because the gtp1usendechoresp function does not properly check the return value when processing certain echo requests. A remote attacker could send a specially crafted echo request, causing the...

SUSE CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577 gtp: check skb_pull_data() return in gtp1u_send_echo_resp()

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577

The CVE-2026-64577 issue is in the Linux kernel’s GTP/gtp1u path: gtp1u_send_echo_resp() ignores the return value of skb_pull_data(), while gtp1u_udp_encap_recv() can require 20 bytes but only guarantees 16. When a 16–19 byte echo request triggers a failed pull, the code continues and skb_push() ...

EUVD-2026-53271

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577 gtp: check skb_pull_data() return in gtp1u_send_echo_resp()

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-44473

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection,...

CVE-2026-44473 Ella Core: UE Downlink Redirection via Forged PDUSessionResourceSetupResponse

Ella Core is a 5G core designed for private networks. Prior to 1.10.0, a radio with a valid NG Setup can send a forged PDUSessionResourceSetupResponse carrying any UE's AMF-UE-NGAP-ID. Ella Core does not verify the message arrived on the SCTP association bound to that UE's logical NG-connection,...

Ella Core 安全漏洞

Ella Core is an open-source solution developed by Ella Networks for use in private networks as a 5G core network solution. Versions of Ella Core prior to 1.10.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of verification of whether the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fixed the use-after-free issue in gtpdellink. Since the callrcu function, which is called during the hlistforeachentryrcu traversal of gtpdellink, is not part of the RCU read critical section, it is possible that the RC...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpgenldumppdp. The gtpnetops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller encountered a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed a use-after-free in gtpencapdestroy. syzkaller reported a use-after-free in gtpencapdestroy. The same process freed “sk” and accessed it illegally. The commit e198987e7dd7 “gtp: fix suspicious RCU usage” added...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpnewlink. The gtplinkops operation structure for the subsystem must be registered after registering the gtpnetops pernet operation structure. Syzkaller encountered a...

CVE-2026-8187 Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...

CVE-2026-8187

Affects Open5GS UPF (upf/gtp-path.c) with the function _gtpv1_u_recv_cb. Affects Open5GS up to 2.7.7; a remote attacker can trigger resource consumption via gtpv1 u recv cb(), potentially impacting availability. Root cause is within the UPF GTP path handling, enabling a manipulation that leads to...

CVE-2026-8187 Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...

CVE-2026-8187 Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...