CVE-2025-37822 - RISC-V Linux Kernel Uprobes Fence Vulnerability

CVE-2025-37822 - RISC-V Linux Kernel Uprobes Fence Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Thu, 05/08/2025 - 11:39
CVE ID : CVE-2025-37822
Published : May 8, 2025, 7:15 a.m. | 57 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: riscv: uprobes: Add missing fence.i after building the XOL buffer The XOL (execute out-of-line) buffer is used to single-step the replaced instruction(s) for uprobes. The RISC-V port was missing a proper fence.i (i$ flushing) after constructing the XOL buffer, which can result in incorrect execution of stale/broken instructions. This was found running the BPF selftests "test_progs: uprobe_autoattach, attach_probe" on the Spacemit K1/X60, where the uprobes tests randomly blew up.
Severity: 0.0 | NA
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