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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-105454)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-105454 advisory. In the Linux kernel, the following vulnerability has been resolved: gtp: fix a potential NULL pointer dereference When sockfdlookup fails, gtpencapenablesocket retur...

AZL-99569 CVE-2026-80851 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: gtp: serialize PDP context updates PDP contexts can be deleted through GTPCMDDELPDP or while the GTP network device is being unregistered. The latter is serialized by RTNL, but the generic-netlink delete path only holds RCU...

CVE-2026-80851 gtp: serialize PDP context updates

In the Linux kernel, the following vulnerability has been resolved: gtp: serialize PDP context updates PDP contexts can be deleted through GTPCMDDELPDP or while the GTP network device is being unregistered. The latter is serialized by RTNL, but the generic-netlink delete path only holds RCU...

CVE-2026-80851

CVE-2026-80851 is a race condition in the Linux kernel's GTP (GPRS Tunnelling Protocol) module . PDP contexts could be double-deleted when the generic-netlink delete path (GTP_CMD_DELPDP) and GTP device unregistration (RTM_DELLINK) ran concurrently, since the former holds only RCU while the latte...

CVE-2026-80851 gtp: serialize PDP context updates

In the Linux kernel, the following vulnerability has been resolved: gtp: serialize PDP context updates PDP contexts can be deleted through GTPCMDDELPDP or while the GTP network device is being unregistered. The latter is serialized by RTNL, but the generic-netlink delete path only holds RCU...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-002709)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-002709 advisory. In the Linux kernel, the following vulnerability has been resolved: gtp: fix a potential NULL pointer dereference When sockfdlookup fails, gtpencapenablesocket retur...

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...

Linux Distros Unpatched Vulnerability : CVE-2024-26793

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - gtp: fix use-after-free and null-ptr-deref in gtpnewlink The gtplinkops operations structure for the subsystem must be registered after registering the gtpnetop...

CVE-2024-26793 gtp: fix use-after-free and null-ptr-deref in gtp_newlink()

In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gtpnewlink The gtplinkops operations structure for the subsystem must be registered after registering the gtpnetops pernet operations structure. Syzkaller hit 'general protection faul...

CVE-2024-26793

CVE-2024-26793 affects the Linux kernel gtp subsystem. The issue is a use-after-free and null pointer dereference in gtp_newlink() caused by incorrect registration order of gtp_link_ops relative to gtp_net_ops pernet structures. Syzkaller observed a general protection fault in gtp_genl_dump_pdp w...