CVE-2026-98063

The Linux kernel contains a NULL pointer dereference vulnerability in the btf_var_show() function. The issue occurs because btf_var_show() unconditionally calls btf_type_id_resolve() , which dereferences btf->resolved_ids . This pointer is NULL for base BTF structures, such as the vmlinux BTF ...

EUVD-2026-86716

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref in btfvarshow btfvarshow calls btftypeidresolve unconditionally, which dereferences btf-resolvedids. That is NULL for a base BTF - e.g. the vmlinux BTF that bpfsnprintfbtf renders against - since base BTF ...

CVE-2026-98063 bpf: Fix NULL-ptr-deref in btf_var_show()

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref in btfvarshow btfvarshow calls btftypeidresolve unconditionally, which dereferences btf-resolvedids. That is NULL for a base BTF - e.g. the vmlinux BTF that bpfsnprintfbtf renders against - since base BTF ...

CVE-2026-98064

The Linux kernel contains a NULL-pointer dereference vulnerability within the BPF subsystem. The issue occurs in btf_modifier_show() when it attempts to call the show() operation on a void type (type_id 0, BTF_KIND_UNKN). Because the kind_ops[] array lacks an entry for this type, the pointer is N...

CVE-2026-98064 bpf: Fix NULL-ptr-deref when showing a void BTF type

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref when showing a void BTF type btfmodifiershow resolves the modifier and then calls btftypeopst-show unconditionally. For the void type typeid 0, BTFKINDUNKN kindops has no entry, so -show is NULL. A "const...

CVE-2026-98064

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref when showing a void BTF type btfmodifiershow resolves the modifier and then calls btftypeopst-show unconditionally. For the void type typeid 0, BTFKINDUNKN kindops has no entry, so -show is NULL. A "const...

EUVD-2026-86717

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref when showing a void BTF type btfmodifiershow resolves the modifier and then calls btftypeopst-show unconditionally. For the void type typeid 0, BTFKINDUNKN kindops has no entry, so -show is NULL. A "const...

CVE-2026-98063 bpf: Fix NULL-ptr-deref in btf_var_show()

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref in btfvarshow btfvarshow calls btftypeidresolve unconditionally, which dereferences btf-resolvedids. That is NULL for a base BTF - e.g. the vmlinux BTF that bpfsnprintfbtf renders against - since base BTF ...

CVE-2026-98064 bpf: Fix NULL-ptr-deref when showing a void BTF type

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL-ptr-deref when showing a void BTF type btfmodifiershow resolves the modifier and then calls btftypeopst-show unconditionally. For the void type typeid 0, BTFKINDUNKN kindops has no entry, so -show is NULL. A "const...

CVE-2026-98059 bpf: Mark sched_process_wait argument as nullable

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark schedprocesswait argument as nullable dowait passes wo-wopid to the schedprocesswait tracepoint. kernelwait4 leaves wopid NULL for wait4-1, and kernelwaitidprepare does likewise for waitidPALL. btfctxaccess currently...

EUVD-2026-86712

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark schedprocesswait argument as nullable dowait passes wo-wopid to the schedprocesswait tracepoint. kernelwait4 leaves wopid NULL for wait4-1, and kernelwaitidprepare does likewise for waitidPALL. btfctxaccess currently...

CVE-2026-98059 bpf: Mark sched_process_wait argument as nullable

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark schedprocesswait argument as nullable dowait passes wo-wopid to the schedprocesswait tracepoint. kernelwait4 leaves wopid NULL for wait4-1, and kernelwaitidprepare does likewise for waitidPALL. btfctxaccess currently...

CVE-2026-98059

The Linux kernel contains a vulnerability where the sched_process_wait tracepoint argument is not correctly marked as nullable. Specifically, kernel_wait4() and kernel_waitid_prepare() can leave wo_pid as NULL . Because btf_ctx_access() types this argument as PTR_TRUSTED without PTR_MAYBE_NULL, t...

EUVD-2026-86696

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't infer non-NULL from a pointer with an unbounded offset regnotnull decides that a register holds a non-NULL value by looking at its type alone. For pointer types that allow arithmetic the type only guarantees a non-NULL...

CVE-2026-98043

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't infer non-NULL from a pointer with an unbounded offset regnotnull decides that a register holds a non-NULL value by looking at its type alone. For pointer types that allow arithmetic the type only guarantees a non-NULL...

CVE-2026-98043 bpf: Don't infer non-NULL from a pointer with an unbounded offset

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't infer non-NULL from a pointer with an unbounded offset regnotnull decides that a register holds a non-NULL value by looking at its type alone. For pointer types that allow arithmetic the type only guarantees a non-NULL...

CVE-2026-98043

The Linux kernel contains a vulnerability in the bpf subsystem where reg_not_null() incorrectly infers a register as non-NULL by examining its type alone. For pointer types allowing arithmetic, a runtime offset might result in a NULL pointer dereference if the offset is unbounded. The vulnerabili...

CVE-2026-98043 bpf: Don't infer non-NULL from a pointer with an unbounded offset

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't infer non-NULL from a pointer with an unbounded offset regnotnull decides that a register holds a non-NULL value by looking at its type alone. For pointer types that allow arithmetic the type only guarantees a non-NULL...

CVE-2026-98040 bpf: Mark the zero register precise for a register-form NULL check

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark the zero register precise for a register-form NULL check checkcondjmpop accepts "if rA rB" as a NULL check for a nullable pointer rA when rB is a scalar known to be zero, lifts PTRMAYBENULL from rA in the corresponding...

EUVD-2026-86693

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark the zero register precise for a register-form NULL check checkcondjmpop accepts "if rA rB" as a NULL check for a nullable pointer rA when rB is a scalar known to be zero, lifts PTRMAYBENULL from rA in the corresponding...