Linux Distros Unpatched Vulnerability : CVE-2026-90195

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign- extension for signed 1-byte and 2-byte kfunc args...

DEBIAN-CVE-2026-92518

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-2025-40079 riscv, bpf: Sign extend struct ops return values properly

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

CVE-2025-40079

CVE-2025-40079 (Linux kernel) fixes a sign-extension bug in BPF for struct ops return values on RISCV. The issue caused a kernel panic in the ns_bpf_qdisc selftest when a skb pointer is sign-extended from 32 to 64 bits, which is incorrect for struct ops per the RISCV ABI. The description notes si...

PT-2024-8952

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a potential NULL dereference in the riscv, bpf components of the Linux kernel. This occurs when the RISC-V BPF JIT fails to converge in NR JIT ITERATIONS steps,...