DEBIAN-CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries see:...

CVE-2026-1519

Impact: BIND 9 DNSSEC resolvers may consume excessive CPU when validating DNSSEC in a malicious zone. Affected product: BIND 9 series (versions 9.11.0–9.16.50, 9.18.0–9.18.46, 9.20.0–9.20.20, 9.21.0–9.21.19, plus 9.11.3-S1–9.16.50-S1, 9.18.11-S1–9.18.46-S1, and 9.20.9-S1–9.20.20-S1). Root cause: ...

EUVD-2026-15363

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

EUVD-2026-15309

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

EUVD-2026-15225

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

CVE-2026-23374

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

CVE-2026-23332

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23294

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

UBUNTU-CVE-2026-23294

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

CVE-2026-23342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

CVE-2026-23294

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

UBUNTU-CVE-2026-23342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

UBUNTU-CVE-2026-23313

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix preempt count leak in napi poll tracepoint Using getcpu in the tracepoint assignment causes an obvious preempt count leak because nothing invokes putcpu to undo it: softirq: huh, entered softirq 3 NETRX with preemptcoun...

CVE-2026-23374

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

CVE-2026-23374 blktrace: fix __this_cpu_read/write in preemptible context

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix thiscpuread/write in preemptible context tracingrecordcmdline internally uses thiscpuread and thiscpuwrite on the per-CPU variable tracecmdlinesave, and tracesavecmdline explicitly asserts preemption is disabled via...

CVE-2026-23342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

CVE-2026-23342

CVE-2026-23342 describes a race in the Linux kernel’s PREEMPT_RT path for BPF cpumap/xdp_bulk_queue. The issue arises when bq_enqueue() and __cpu_map_flush() run concurrently on the same CPU, breaking assumptions about atomicity and enabling races such as double __list_del_clearprev() and concurr...