CVE-2026-72401 bpf: Fix insn_aux_data leak on verifier err_free_env path

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insnauxdata leak on verifier errfreeenv path When bpfcheck allocates env-insnauxdata successfully but later fails to allocate env-succ, it jumps directly to errfreeenv. The existing vfreeenv-insnauxdata sits before the...

CVE-2026-72402 bpf: Mask pseudo pointer values in verifier logs

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs printbpfinsn masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPFPSEUDOMAPFD and BPFPSEUDOMAPVALUE...

EUVD-2026-59301

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs printbpfinsn masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPFPSEUDOMAPFD and BPFPSEUDOMAPVALUE...

CVE-2026-72401

CVE-2026-72401 affects the Linux kernel’s BPF verifier path. The root cause is a leak of env->insn_aux_data when allocation of env->succ fails after env->insn_aux_data is allocated, due to vfree being placed before the err_free_env path. The fix moves vfree(env->insn_aux_data) into er...

CVE-2026-72111 bpf: Reset register bounds before narrowing retval range in check_mem_access()

In the Linux kernel, the following vulnerability has been resolved: bpf: Reset register bounds before narrowing retval range in checkmemaccess When the BPF verifier processes a context load of an LSM hook return value, it calls markregs32range to narrow the register to the hook's valid range...

CVE-2026-72111

CVE-2026-72111 affects the Linux kernel BPF verifier. The issue occurs when processing a context load of an LSM hook return value: __mark_reg_s32_range() narrows the destination register by intersecting with stale bounds instead of replacing them, potentially creating a verifier/runtime mismatch ...

EUVD-2026-59069

In the Linux kernel, the following vulnerability has been resolved: bpf: Reset register bounds before narrowing retval range in checkmemaccess When the BPF verifier processes a context load of an LSM hook return value, it calls markregs32range to narrow the register to the hook's valid range...

CVE-2026-72111 bpf: Reset register bounds before narrowing retval range in check_mem_access()

In the Linux kernel, the following vulnerability has been resolved: bpf: Reset register bounds before narrowing retval range in checkmemaccess When the BPF verifier processes a context load of an LSM hook return value, it calls markregs32range to narrow the register to the hook's valid range...

CVE-2026-68462 bpf: Reject negative const offsets for buffer pointers

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative const offsets for buffer pointers The verifier rejects variable offsets for PTRTOTPBUFFER and PTRTOBUF accesses, but it currently accepts a constant negative offset produced by pointer arithmetic. Commit...

CVE-2026-68462

Summary of CVE-2026-68462 (Linux kernel, BPF): The issue arises in the verifier’s handling of buffer-pointer access (PTR_TO_TP_BUFFER and PTR_TO_BUF) where a constant negative offset could slip through after a pointer offset split (reg->var_off vs reg->off). Specifically, an access with reg...

EUVD-2026-59084

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative const offsets for buffer pointers The verifier rejects variable offsets for PTRTOTPBUFFER and PTRTOBUF accesses, but it currently accepts a constant negative offset produced by pointer arithmetic. Commit...

CVE-2026-68462 bpf: Reject negative const offsets for buffer pointers

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative const offsets for buffer pointers The verifier rejects variable offsets for PTRTOTPBUFFER and PTRTOBUF accesses, but it currently accepts a constant negative offset produced by pointer arithmetic. Commit...

PT-2026-72774

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject sleepable BPF LSM CGROUP programs at load time The cgroup shim runs under rcu read lock dont migrate, so we should not attach any sleepable BPF programs there. Add support to the verifier to explicitly reject attempts...

PT-2026-72611

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard conntrack opts error writes The conntrack lookup and allocation kfuncs take an opts pointer together with an opts sz argument. The verifier checks only the memory range described by opts sz, but the wrappers...

Linux Distros Unpatched Vulnerability : CVE-2026-72111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Reset register bounds before narrowing retval range in checkmemaccess When the BPF verifier processes a context load of an LSM hook return value, it calls...

PT-2026-72300

In the Linux kernel, the following vulnerability has been resolved: bpf: Reset register bounds before narrowing retval range in check mem access When the BPF verifier processes a context load of an LSM hook return value, it calls mark reg s32 range to narrow the register to the hook's valid range...

PT-2026-72590

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs print bpf insn masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPF PSEUDO MAP FD and BPF PSEUDO MAP VALUE...

PT-2026-72589

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insn aux data leak on verifier err free env path When bpf check allocates env-insn aux data successfully but later fails to allocate env-succ, it jumps directly to err free env. The existing vfreeenv-insn aux data sits...

Linux Distros Unpatched Vulnerability : CVE-2026-72402

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Mask pseudo pointer values in verifier logs printbpfinsn masks ldimm64 immediates for pointer- bearing pseudo sources when pointer leaks are not allowed, b...

CVE-2026-12364

The user-space system-call verifier zvrfyzlogmsgstaticcreate in subsys/logging/logmsg.c was a pure pass-through: it forwarded the caller-supplied source, desc, package, and data arguments directly to the kernel-mode implementation zimplzlogmsgstaticcreate without performing any of the mandatory...