SUSE CVE-2026-98869

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

UBUNTU-CVE-2026-98869

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

DEBIAN-CVE-2026-98869

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

CVE-2026-98869

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

CVE-2026-98869

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

EUVD-2026-107288

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

CVE-2026-98869

A flaw in the Linux kernel BPF verifier's 32-bit operations zero extension logic allows a local attacker to achieve privilege escalation . The vulnerability occurs because the verifier fails to correctly track register states across execution paths, specifically on the s390 architecture . This ov...

CVE-2026-98869 bpf: Infer zext_dst based on static register liveness analysis

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

CVE-2026-98869 bpf: Infer zext_dst based on static register liveness analysis

In the Linux kernel, the following vulnerability has been resolved: bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This logic is responsible for correct semantics of 32-bit operations on...

Linux Distros Unpatched Vulnerability : CVE-2026-98869

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Infer zextdst based on static register liveness analysis As reported in the thread 1, the verifier's 32-bit operations zero extension logic is broken. This...

PT-2026-120636

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Broken zero extension logic in the BPF verifier affects 32-bit operations on the s390 architecture. The verifier failed to correctly track the liveness of the upper halves of 64-bit...

Linux Kernel Security Vulnerabilities

The Linux kernel version 6.18 contains security vulnerabilities. These vulnerabilities stem from a logical flaw in the 32-bit operation zero extension of the BPF verifier, which may allow arbitrary values to be injected into the upper half of the register...

SUSE CVE-2026-98049

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

DEBIAN-CVE-2026-98049

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

CVE-2026-98049

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

UBUNTU-CVE-2026-98049

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

CVE-2026-98049 bpf: zero extend the result of an arena 32-bit cmpxchg

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

EUVD-2026-86702

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

CVE-2026-98049 bpf: zero extend the result of an arena 32-bit cmpxchg

In the Linux kernel, the following vulnerability has been resolved: bpf: zero extend the result of an arena 32-bit cmpxchg bpfconvertctxaccesses rewrites an atomic on an arena pointer from BPFSTX | BPFATOMIC to BPFSTX | BPFPROBEATOMIC, and it runs before bpfoptsubregzextlo32rndhi32. That pass emi...

CVE-2026-98049

A vulnerability exists in the Linux kernel BPF (Berkeley Packet Filter) subsystem where the is_cmpxchg_insn() function fails to match BPF_PROBE_ATOMIC mode. When performing a 32-bit atomic compare-and-exchange operation on an arena pointer, the kernel fails to emit an explicit zero extension for ...