CVE-2026-53171— 加速伦理：修复dma_length()中的算术问题
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一、 漏洞 CVE-2026-53171 基础信息
漏洞信息
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Vulnerability Title
accel/ethosu: fix arithmetic issues in dma_length()
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: fix arithmetic issues in dma_length() dma_length() derives DMA region usage from command stream values and updates region_size[]: len = ((len + stride[0]) * size0 + stride[1]) * size1 region_size[region] = max(..., len + dma->offset) Several arithmetic issues can corrupt the derived region size: - signed stride values may underflow when added to len - intermediate multiplications may overflow - len + dma->offset may overflow during region_size updates - dma_length() error returns were not validated by the caller region_size[] is later used by ethosu_job.c to validate command stream accesses against GEM buffer sizes. Arithmetic wraparound can therefore under-report region usage and bypass the bounds validation. Fix by validating signed additions, using overflow helpers for multiplications and offset updates, and propagating dma_length() failures to the caller.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
N/A
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-53171 的公开POC
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CVE-2026-53171 补丁与修复 (1)
CVE-2026-53171 其他参考 (1)
同批安全公告 · Linux · 2026-06-25 · 共 147 条
| CVE-2026-53187 | RDMA/core DMAH分配cpu_id验证漏洞 | |
| CVE-2026-53167 | fuse 漏洞：限制 FUSE_NOTIFY_RETRIEVE 仅限 uptodate 文件 | |
| CVE-2026-53168 | fuse目录页缓存操作拒绝漏洞 | |
| CVE-2026-53169 | accel/ethosu：拒绝用户空间NPU_OP_RESIZE命令 | |
| CVE-2026-53170 | Acceler/ethosu：拒绝长度未初始化的DMA命令漏洞 | |
| CVE-2026-53172 | Ethos-U NPU驱动IFM区域索引越界漏洞 | |
| CVE-2026-53174 | overlay文件系统o v l缓存获取后错误码未清零漏洞 | |
| CVE-2026-53173 | Accelerate Ethos-U 命令流校验越界写入漏洞 | |
| CVE-2026-53175 | Linux inet frag使用完后释放漏洞 | |
| CVE-2026-53177 | bnxt_en 驱动空指针解引用漏洞 | |
| CVE-2026-53176 | IB/isert: 拒绝短于ISER_HEADERS_LEN的登录PDU漏洞 | |
| CVE-2026-53178 | rtl8723bs驱动ie_length减法越界漏洞 | |
| CVE-2026-53180 | Linux 内核 tmigr_handle_remote_up() 活锁漏洞 | |
| CVE-2026-53179 | RTL8723BS rtw_update_protection 缓冲区越界读取漏洞 | |
| CVE-2026-53181 | vsock/vmci 握手失败时 sk_ack_backlog 泄漏漏洞 | |
| CVE-2026-53182 | wifi: nl80211 拒绝过大的 EMA RNR 列表 | |
| CVE-2026-53183 | MPTCP 子流接收窗口收缩漏洞 | |
| CVE-2026-53184 | UDP sockmap裁决前清除skb->dev | |
| CVE-2026-53185 | Linux zram zram_bvec_write_partial 函数 Use-After-Free 漏洞 | |
| CVE-2026-53197 | Linux iptfs ABBA死锁漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-53171
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