CVE-2026-98628 bpf: Make post-verification instruction rewrites killable

In the Linux kernel, the following vulnerability has been resolved: bpf: Make post-verification instruction rewrites killable After docheck returns, the verifier runs several instruction rewrite passes. Some of them patch or remove one instruction at a time. Each operation moves the remaining...

CVE-2026-98628 bpf: Make post-verification instruction rewrites killable

In the Linux kernel, the following vulnerability has been resolved: bpf: Make post-verification instruction rewrites killable After docheck returns, the verifier runs several instruction rewrite passes. Some of them patch or remove one instruction at a time. Each operation moves the remaining...

EUVD-2026-103542

In the Linux kernel, the following vulnerability has been resolved: bpf: Make post-verification instruction rewrites killable After docheck returns, the verifier runs several instruction rewrite passes. Some of them patch or remove one instruction at a time. Each operation moves the remaining...

CVE-2026-98628

The Linux kernel bpf verifier contains a vulnerability where certain post-verification instruction rewrite passes—specifically within bpf_opt_remove_nops() —do not check for signals or reschedule. This allows a privileged loader to submit a large number of unconditional jumps, causing the verifie...

CVE-2026-98627 bpf: Preserve packet pointer class displacement in regsafe()

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve packet pointer class displacement in regsafe regsafe maps packet pointer IDs between states and checks that each current register range is a subset of the corresponding explored register range. It does not, however,...

CVE-2026-98627

The Linux kernel contains a vulnerability in the bpf subsystem's regsafe() function. The issue arises because the function fails to preserve the displacement between registers that share a packet pointer ID. This logic flaw allows the explored path to license an out-of-bounds packet access on a p...

EUVD-2026-103541

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve packet pointer class displacement in regsafe regsafe maps packet pointer IDs between states and checks that each current register range is a subset of the corresponding explored register range. It does not, however,...

CVE-2026-98627 bpf: Preserve packet pointer class displacement in regsafe()

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve packet pointer class displacement in regsafe regsafe maps packet pointer IDs between states and checks that each current register range is a subset of the corresponding explored register range. It does not, however,...

CVE-2026-98626 bpf: Restrict CO-RE poisoning to relocatable instructions

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

EUVD-2026-103540

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

CVE-2026-98626

The Linux kernel contains a vulnerability in its CO-RE (Compile Once - Run Everywhere) mechanism. The bpf_core_patch_insn() function incorrectly poisons relocation targets before verifying if they are valid. This allows malformed metadata to replace critical instructions such as jumps, calls, exi...

CVE-2026-98626 bpf: Restrict CO-RE poisoning to relocatable instructions

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

CVE-2026-98625 netfilter: flowtable: publish HW_DEAD after worker is done

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish HWDEAD after worker is done flowoffloadworkdel sets NFFLOWHWDEAD before the work handler clears NFFLOWHWPENDING. Once a flow is both HWDYING and HWDEAD, a concurrent garbage collection pass can remov...

EUVD-2026-103539

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish HWDEAD after worker is done flowoffloadworkdel sets NFFLOWHWDEAD before the work handler clears NFFLOWHWPENDING. Once a flow is both HWDYING and HWDEAD, a concurrent garbage collection pass can remov...

CVE-2026-98625 netfilter: flowtable: publish HW_DEAD after worker is done

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish HWDEAD after worker is done flowoffloadworkdel sets NFFLOWHWDEAD before the work handler clears NFFLOWHWPENDING. Once a flow is both HWDYING and HWDEAD, a concurrent garbage collection pass can remov...

CVE-2026-98625

The Linux kernel contains a use-after-free vulnerability within the netfilter flowtable component. The issue resides in flow_offload_work_del(), which incorrectly sets the NF_FLOW_HW_DEAD bit before clearing the NF_FLOW_HW_PENDING bit. Because the offload worker lacks an RCU read lock or a flow r...

CVE-2026-98624 netfilter: nfnetlink_queue: hold nfnl mutex in event notifier

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: hold nfnl mutex in event notifier We must serialize the release notifier and the config netlink function. A concurrent thread can issue close which can call the release function while unrelated socket...

CVE-2026-98624 netfilter: nfnetlink_queue: hold nfnl mutex in event notifier

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: hold nfnl mutex in event notifier We must serialize the release notifier and the config netlink function. A concurrent thread can issue close which can call the release function while unrelated socket...

EUVD-2026-103538

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: hold nfnl mutex in event notifier We must serialize the release notifier and the config netlink function. A concurrent thread can issue close which can call the release function while unrelated socket...

CVE-2026-98624

A vulnerability exists in the Linux kernel 's netfilter: nfnetlink_queue component where a concurrent thread issuing a close() call can trigger the release function while unrelated socket processes request an UNBIND for the same portid. This race condition leads to a general protection fault (Oop...