CVE-2026-98085

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

DEBIAN-CVE-2026-98085

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

AZL-104613 CVE-2026-98085 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

CVE-2026-98084

In the Linux kernel, the following vulnerability has been resolved: bpf: backtracking shouldn't clear outer frame R1-R5 for callbacks When processing calls to bpfloop verifier marks R1 and R4 as precise. R1 tracks loop iterations number and because of the 'callbackdepth R1' mechanics in...

UBUNTU-CVE-2026-98085

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

EUVD-2026-86915

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

CVE-2026-98085

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

CVE-2026-98085

The Linux kernel contains a vulnerability in the BPF precision backtracking mechanism affecting BPF_LD | BPF_{IND,ABS} instructions. The root cause is that the backtrack_insn() function fails to handle the implicit exit case from a subprogram. Specifically, it does not call bt_subprog_enter() whe...

CVE-2026-98085 bpf: backtrack_insn(): Handle ld_{abs,ind} subprog exit edge

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

CVE-2026-98085 bpf: backtrack_insn(): Handle ld_{abs,ind} subprog exit edge

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

CVE-2026-98085: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

Linux Distros Unpatched Vulnerability : CVE-2026-98085

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions...

CVE-2026-98085

In the Linux kernel, the following vulnerability has been resolved: bpf: backtrackinsn: Handle ldabs,ind subprog exit edge Nicholas Carlini reported a bug in precision backtracking mechanism for BPFLD | BPFIND,ABS instructions. These instructions are modelled as two branches: - fallthrough; -...

AZL-85407 CVE-2026-43009 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

CVE-2026-43009: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thus receiving th...

CVE-2023-52928: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

GSD-2023-1001845 bpf: Skip invalid kfunc call in backtrack_insn

bpf: Skip invalid kfunc call in backtrackinsn This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.11 by commit...