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

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...

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...

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...

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...

CVE-2024-27390

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27390

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27390 ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27390 ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27390 ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...