CVE-2025-71129In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign extend kfunc call arguments The kfunc calls are native calls so they should follow LoongArch calling conventio…
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In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign extend kfunc call arguments The kfunc calls are native calls so they should follow LoongArch calling conventions. Sign extend its arguments properly to avoid kernel panic. This is done by adding a new emit_abi_ext() helper. The emit_abi_ext() helper performs extension in place meaning a value already store in the target register (Note: this is different from the existing sign_extend() helper and thus we can't reuse it).
- 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
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 6.1.1 before 6.6.120; from 6.7 before 6.12.64; from 6.13 before 6.18.4; 6.1; 6.19; 6.19; 6.19; 6.19; and 4 more ranges | NVD |
References
- https://git.kernel.org/stable/c/0d666db731e95890e0eda7ea61bc925fd2be90c6patch
- https://git.kernel.org/stable/c/321993a874f571a94b5a596f1132f798c663b56epatch
- https://git.kernel.org/stable/c/3f5a238f24d7b75f9efe324d3539ad388f58536epatch
- https://git.kernel.org/stable/c/fd43edf357a3a1f5ed1c4bf450b60001c9091c39patch
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.