CVE-2026-92518 riscv, bpf: Fix kernel stack corruption in tailcall with CFI

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix kernel stack corruption in tailcall with CFI When CONFIGCFICLANG is enabled, prog-bpffunc already skips the kcfi instruction during setup. Including it again in the tailcall jump offset causes it to jump over an...

CVE-2026-92519

CVE-2026-92519 is a memory leak in the Linux kernel affecting the RISC-V BPF JIT subsystem. When BPF JIT compilation fails for a later subprogram, the kernel calls bpf_jit_free() to clean up an earlier subprogram, but the function fails to free jit_data->ctx.offset , leaking the JIT context of...

EUVD-2026-82139

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix kernel stack corruption in tailcall with CFI When CONFIGCFICLANG is enabled, prog-bpffunc already skips the kcfi instruction during setup. Including it again in the tailcall jump offset causes it to jump over an...

CVE-2026-92519 riscv, bpf: Fix memory leak in bpf_jit_free

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix memory leak in bpfjitfree When bpfintjitcompile is called for subprograms, it returns early during the first pass !prog-isfunc || extrapass is false, keeping ctx-offset alive for the subsequent extra pass. If JIT...

CVE-2026-92518 riscv, bpf: Fix kernel stack corruption in tailcall with CFI

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix kernel stack corruption in tailcall with CFI When CONFIGCFICLANG is enabled, prog-bpffunc already skips the kcfi instruction during setup. Including it again in the tailcall jump offset causes it to jump over an...

CVE-2026-92517 bpf, riscv: Fix extable handling for arena load_acquire

In the Linux kernel, the following vulnerability has been resolved: bpf, riscv: Fix extable handling for arena loadacquire emitatomicldst returns 1 to have buildbody skip the zext after a sub-word loadacquire. The caller does "ret = ret ?: addexceptionhandler...", which skips addexceptionhandler ...

CVE-2026-92517

CVE-2026-92517 affects the Linux kernel on RISC-V , specifically in the BPF arena load_acquire path. The root cause is in emit_atomic_ld_st(), which returns a non-zero value (1) to signal that build_body() should skip a zero-extension step. Because the caller uses ret = ret ?: add_exception_handl...

EUVD-2026-82138

In the Linux kernel, the following vulnerability has been resolved: bpf, riscv: Fix extable handling for arena loadacquire emitatomicldst returns 1 to have buildbody skip the zext after a sub-word loadacquire. The caller does "ret = ret ?: addexceptionhandler...", which skips addexceptionhandler ...

PT-2026-94931

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the verifier skips rewriting the helper call offset insn-imm in bpf do misc fixups for architectures that implement bpf...

PT-2026-94928

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ACPI subsystem for RISC-V architectures within the riscv acpi add prt dep function. The loop handling within this function incorrectly manages error conditions by...

PT-2026-94827

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the RISC-V BPF JIT compiler. When bpf int jit compile is called for subprograms, it may return early during the first pass, leaving ctx-offset active for a...

PT-2026-94825

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem for RISC-V architecture regarding extable handling for arena load acquire. The emit atomic ld st function returns a value that causes the caller to...

CVE-2026-93135: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject programs with inlined helpers if JIT is not available When an architecture such as LoongArch, ARM64, and RISC-V implements bpfjitinlineshelpercall, the verifier skips rewriting the helper call offset insn-imm in...

CVE-2026-93133: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: RISC-V: Check acpigethandle status in riscvacpiaddprtdep In riscvacpiaddprtdep, the acpigethandle call can fail which would leave linkhandle uninitialized. Fix it by checking the acpigethandle return status and skip the ent...

CVE-2026-93132: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: RISC-V: Fix riscvacpiaddprtdep loop handling The loop in riscvacpiaddprtdep includes error conditions that are handled in a dubious - if not outright wrong - way, by continuining the loop which skips and misses the entry...

vpod v0.8.4

Vpod Live demo • Getting Started • Documentation • Issues • Contributing What is a vpod ? A vpod is a lightweight, portable sandbox that gives an untrusted process an instant Linux environment. It uses a RISC‑V architecture and runs entirely inside WebAssembly. Fast startup : Boot in under a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fixed potential NULL dereferencing. The bpfjitbinaryfree function requires a non-NULL argument. When the RISC-V BPF JIT fails to converge within NRJITITERATIONS steps, jitdata-header will be NULL, triggering a NULL...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: kprobe: Fixed kernel panic when probing an illegal position The kernel would panic when trying to probe an illegal position. For example: CONFIGRISCVISAC=n Example code: bash echo 'p:hello kernelclone+0x16 a0=%a0'...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: rvc: Sparse-Memory/vmemmap out-of-bounds fix The offset of vmemmap has been adjusted so that the first page of vmemmap is mapped to the first page of physical memory. This ensures that the bounds of vmemmap are respected durin...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: RISC-V: Ensure that port I/O string accessors actually work properly. Fixed port I/O string accessors such as insb’, outsb’, etc., which use the physical PCI port I/O address rather than the corresponding memory mapping to...