CVE-2025-37822riscv: uprobes: Add missing fence.i after building the XOL buffer
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 74784081aac8a0f3636965fc230e2d3b7cc123c6 before be6d98766ac952d38241d5a5b213f363afa421c3; from 74784081aac8a0f3636965fc230e2d3b7cc123c6 before b6d8d4d01ca8514fa89b05355f296758a91e2297; 74784081aac8a0f3636965fc230e2d3b7cc123c6 builds before 77c956152a3a7c7a18b68f3654f70565b2181d03; from 74784081aac8a0f3636965fc230e2d3b7cc123c6 before bcf6d3158c5902d92b6d62335af4422b7bf7c4e2; 74784081aac8a0f3636965fc230e2d3b7cc123c6 builds before 1dbb95a36499374c51b47ee8ae258a8862c20978; 74784081aac8a0f3636965fc230e2d3b7cc123c6 builds before 7d1d19a11cfbfd8bae1d89cc010b2cc397cd0c48 | CNA record |
linux linux_kernel linux:linux_kernel | from 5.12 before 6.12.26; from 6.13 before 6.14.5; 6.15; 6.15; 6.15 | NVD |
References
- https://git.kernel.org/stable/c/be6d98766ac952d38241d5a5b213f363afa421c3patch
- https://git.kernel.org/stable/c/b6d8d4d01ca8514fa89b05355f296758a91e2297patch
- https://git.kernel.org/stable/c/77c956152a3a7c7a18b68f3654f70565b2181d03patch
- https://git.kernel.org/stable/c/bcf6d3158c5902d92b6d62335af4422b7bf7c4e2patch
- https://git.kernel.org/stable/c/1dbb95a36499374c51b47ee8ae258a8862c20978patch
- https://git.kernel.org/stable/c/7d1d19a11cfbfd8bae1d89cc010b2cc397cd0c48patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.