CVE-2026-74268

This CVE describes a Linux kernel vulnerability where a child socket can inherit BPF sock_ops cb flags from the listener through sk_clone_lock(), leading to a crash or compromised handling if its setup fails in tcp_v4_syn_recv_sock() or tcp_v6_syn_recv_sock(). The root cause is that, on forced-cl...

EUVD-2026-59415

In the Linux kernel, the following vulnerability has been resolved: tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in tcpv4synrecvsock / tcpv6synrecvsock, the child is freed through...

EUVD-2026-59405

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard getuser acesss with accessok for uprobemulti data As reported by sashiko 1 we need to use accessok to check the user space data bounds before we use get-user to get it. 1...

CVE-2026-74258 bpf: Guard __get_user acesss with access_ok for uprobe_multi data

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard getuser acesss with accessok for uprobemulti data As reported by sashiko 1 we need to use accessok to check the user space data bounds before we use get-user to get it. 1...

CVE-2026-74258 bpf: Guard __get_user acesss with access_ok for uprobe_multi data

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard getuser acesss with accessok for uprobemulti data As reported by sashiko 1 we need to use accessok to check the user space data bounds before we use get-user to get it. 1...

CVE-2026-74258

Summary (CVE-2026-74258): The Linux kernel patch fixes a vulnerability in the BPF upprobe path where __get_user could read user-space data without proper bounds checks. The root cause is missing bounds validation prior to using __get_user in uprobe_multi data; the fix adds an access_ok check to v...

CVE-2026-74256

The CVE-2026-74256 family affects the Linux kernel’s BPF sockmap path, where bpf_msg_pop_data() bounds checks used 32-bit arithmetic on start/len. An unsigned-to-signed overflow could allow an out-of-range start/len, causing the pop loop to walk past scatterlist end and trigger put_page on an emp...

CVE-2026-74256 bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. The bounds check if start = offset + l || las...

CVE-2026-74256 bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. The bounds check if start = offset + l || las...

CVE-2026-72428 bpf: Fix stack slot index in nospec checks

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stack slot index in nospec checks checkstackwritefixedoff computes the byte slot for a fixed-offset stack write as -off - 1, and records each written byte in slottype with slot - i % BPFREGSIZE. The Spectre v4 sanitizati...

EUVD-2026-59326

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix effective prog array index with BPFFPREORDER replaceeffectiveprog and purgeeffectiveprogs located the slot in the effective array by walking the program hlist and counting entries linearly. That count does not match the...

EUVD-2026-59327

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stack slot index in nospec checks checkstackwritefixedoff computes the byte slot for a fixed-offset stack write as -off - 1, and records each written byte in slottype with slot - i % BPFREGSIZE. The Spectre v4 sanitizati...

CVE-2026-72428

Summary: This CVE concerns the Linux kernel’s BPF Spectre v4 sanitization logic. The root cause is in check_stack_write_fixed_off(), which computes the byte slot incorrectly (-off - 1) and records writes in slot_type[] using (slot - i) % BPF_REG_SIZE. The sanitization pre-check used slot_type[i],...

CVE-2026-72427

CVE-2026-72427 (Linux kernel) fixes an incorrect indexing of the effective BPF program array when BPF_F_PREORDER is used. The vulnerable path was in replace_effective_prog() (bpf_link_update()) and purge_effective_progs(), which located slots by linearly walking the program hlist. The computed la...

CVE-2026-72427 bpf: Fix effective prog array index with BPF_F_PREORDER

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix effective prog array index with BPFFPREORDER replaceeffectiveprog and purgeeffectiveprogs located the slot in the effective array by walking the program hlist and counting entries linearly. That count does not match the...

CVE-2026-72428 bpf: Fix stack slot index in nospec checks

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stack slot index in nospec checks checkstackwritefixedoff computes the byte slot for a fixed-offset stack write as -off - 1, and records each written byte in slottype with slot - i % BPFREGSIZE. The Spectre v4 sanitizati...

CVE-2026-72427 bpf: Fix effective prog array index with BPF_F_PREORDER

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix effective prog array index with BPFFPREORDER replaceeffectiveprog and purgeeffectiveprogs located the slot in the effective array by walking the program hlist and counting entries linearly. That count does not match the...

CVE-2026-72426 bpf: Preserve pointer spill metadata during half-slot cleanup

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve pointer spill metadata during half-slot cleanup cleanfuncstate cleans dead stack slots in 4-byte halves. When the high half of a STACKSPILL slot is dead and the low half remains live, cleanup converts the live low...

EUVD-2026-59325

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve pointer spill metadata during half-slot cleanup cleanfuncstate cleans dead stack slots in 4-byte halves. When the high half of a STACKSPILL slot is dead and the low half remains live, cleanup converts the live low...

CVE-2026-72426

The CVE-2026-72426 entry describes a Linux kernel vulnerability affecting BPF stack slot cleanup. When cleaning dead stack slots in 4-byte halves, if the high half of a STACK_SPILL is dead and the low half remains live, the low half could be converted to STACK_MISC/STACK_ZERO and its spilled_ptr ...