CVE-2026-89789

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

AZL-101405 CVE-2026-89789 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

DEBIAN-CVE-2026-89789

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

CVE-2026-89789

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

UBUNTU-CVE-2026-89789

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

CVE-2026-89789

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

CVE-2026-89789 gtp: add synchronize_net() in gtp_newlink() error path to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

CVE-2026-89789

This use-after-free vulnerability affects the Linux kernel GTP (GPRS Tunneling Protocol) module . In gtp_newlink()'s error path, tid_hash and addr_hash are freed without waiting for an RCU grace period after clearing sk_user_data. A concurrent gtp_encap_recv() in softirq context can still hold a ...

CVE-2026-89789 gtp: add synchronize_net() in gtp_newlink() error path to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

EUVD-2026-80310

In the Linux kernel, the following vulnerability has been resolved: gtp: add synchronizenet in gtpnewlink error path to prevent use-after-free gtpnewlink's error path frees tidhash and addrhash without waiting for an RCU grace period after clearing skuserdata. A concurrent gtpencaprecv in softirq...

CVE-2026-74255

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This use-after-free vulnerability occurs when the tipcdisablel2media function calls synchronizenet before properly invalidating a media pointer. This timing issue allows concurrent readers to access a memo...

UBUNTU-CVE-2026-74255

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

CVE-2026-74255 tipc: fix UAF in tipc_l2_send_msg()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

CVE-2026-74255

The CVE affects the Linux kernel’s TIPC path, detailing a use-after-free in ipvlan_hard_header() invoked from tipc_l2_send_msg(). The root cause is tipc_disable_l2_media() calling synchronize_net() while b->media_ptr is still valid, allowing concurrent RCU readers to obtain a freed device poin...

EUVD-2026-59402

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

PT-2026-72691

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipc l2 send msg Syzbot reported a slab-use-after-free in ipvlan hard header when called from tipc l2 send msg. The root cause is that tipc disable l2 media calls synchronize net while b-media ptr is still valid...

Linux kernel 6lowpan: NHC entry use-after-free on error path

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

EUVD-2026-46010

In the Linux kernel, the following vulnerability has been resolved: net: team: fix NULL pointer dereference in teamxmit during mode change teamchangemode clears team-ops with memset before restoring safe dummy handlers via teamadjustops. A concurrent teamxmit running under RCU on another CPU can...

CVE-2026-43374 net: nexthop: fix percpu use-after-free in remove_nh_grp_entry

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix percpu use-after-free in removenhgrpentry When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer then immediately frees the removed entry's percpu stats with...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed a race condition between disabling DIM and netdim There’s a race condition between disabling DIM and NAPI callbacks that use the dim pointer on the RQ or SQ. If the NAPI checks the DIM state bit and finds it stil...