CVE-2025-71270LoongArch: Enable exception fixup for specific ADE subcode
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In the Linux kernel, the following vulnerability has been resolved: LoongArch: Enable exception fixup for specific ADE subcode This patch allows the LoongArch BPF JIT to handle recoverable memory access errors generated by BPF_PROBE_MEM* instructions. When a BPF program performs memory access operations, the instructions it executes may trigger ADEM exceptions. The kernel’s built-in BPF exception table mechanism (EX_TYPE_BPF) will generate corresponding exception fixup entries in the JIT compilation phase; however, the architecture-specific trap handling function needs to proactively call the common fixup routine to achieve exception recovery. do_ade(): fix EX_TYPE_BPF memory access exceptions for BPF programs, ensure safe execution. Relevant test cases: illegal address access tests in module_attach and subprogs_extable of selftests/bpf.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
- Analyzed
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from dbcd7f5fafea64dbe588c4ec18bc309fde5d1e1c before 73ede654d9daa2ee41bdd17bc62946fc5a0258cb; from dbcd7f5fafea64dbe588c4ec18bc309fde5d1e1c before c49a28068363f3dca439aa5fe4d3b1f8159809fe; from dbcd7f5fafea64dbe588c4ec18bc309fde5d1e1c before c2ed4f71e9288f21d5c53ff790270758e60fa5f9; from dbcd7f5fafea64dbe588c4ec18bc309fde5d1e1c before 9bdc1ab5e4ce6f066119018d8f69631a46f9c5a0 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.2 before 6.6.124; from 6.7 before 6.12.70; from 6.13 before 6.18.10; 6.19; 6.19; 6.19 | NVD |
References
- https://git.kernel.org/stable/c/73ede654d9daa2ee41bdd17bc62946fc5a0258cbpatch
- https://git.kernel.org/stable/c/c49a28068363f3dca439aa5fe4d3b1f8159809fepatch
- https://git.kernel.org/stable/c/c2ed4f71e9288f21d5c53ff790270758e60fa5f9patch
- https://git.kernel.org/stable/c/9bdc1ab5e4ce6f066119018d8f69631a46f9c5a0patch
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.