CVE-2026-64231— drm/msm/dsi 寄存器越界转储漏洞
可能的 ATT&CK 技术 1AI
T1059 · Command and Scripting Interpreter影响版本矩阵 14
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< 5e2c196c3430fb94225c4102b1028d0146544761 | affected |
bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< 567b5e976e2e15280d78c9ef2add1954a0bbb5b1 | affected | ||
bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< 9f8274749d9010a1a72f97e547b7eb9ebb82345b | affected | ||
bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< a184aec790135938b0fadb415e55accd1f8685a0 | affected | ||
bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< ab871d5882953e5574ae2bc47bec88c2e3d22663 | affected | ||
bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645< 5b49a46baa853b26dbefa65c6c75dd9ff69f63d4 | affected | ||
5.14 | affected | ||
< 5.14 | unaffected | ||
| … +6 条更多 | |||
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一、 漏洞 CVE-2026-64231 基础信息
漏洞信息
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Vulnerability Title
drm/msm/dsi: don't dump registers past the mapped region
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: don't dump registers past the mapped region On DSI 6G platforms the IO address space is internally adjusted by io_offset. Later this adjusted address might be used for memory dumping. However the size that is used for memory dumping isn't adjusted to account for the io_offset, leading to the potential access to the unmapped region. Lower ctrl_size by the io_offset value to prevent access past the mapped area. msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P) msm_dsi_host_snapshot+0x4c/0x78 [msm] msm_dsi_snapshot+0x28/0x50 [msm] msm_disp_snapshot_capture_state+0x74/0x140 [msm] msm_disp_snapshot_state_sync+0x60/0x90 [msm] _msm_disp_snapshot_work+0x30/0x90 [msm] kthread_worker_fn+0xdc/0x460 kthread+0x120/0x140 Patchwork: https://patchwork.freedesktop.org/patch/721747/
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-64231 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-64231 补丁与修复 (6)
同批安全公告 · Linux · 2026-07-24 · 共 48 条
| CVE-2026-64232 | 9.8 CRITICAL | Linux内核 blk_insert_cloned_request 完整性段数计算漏洞 |
| CVE-2026-64216 | 9.8 CRITICAL | netfs 远程解除废弃读取页潜在 UAF 漏洞 |
| CVE-2026-64255 | 8.8 HIGH | iwlwifi: BA会话中ffs()前验证sta_mask漏洞 |
| CVE-2026-64247 | 8.4 HIGH | KVM Hyper-V 稀疏银行查询索引越界漏洞 |
| CVE-2026-64235 | 8.1 HIGH | x86/ftrace 动态蹦床中%rip相关percpu引用重定位漏洞 |
| CVE-2026-64223 | 8.1 HIGH | mac80211 TTLM映射处理漏洞 |
| CVE-2026-64226 | 7.8 HIGH | Linux 调度器 ext 根启用工作函数 UAF 漏洞 |
| CVE-2026-64221 | 7.8 HIGH | ti-qspi DMA设置失败后释放后使用漏洞 |
| CVE-2026-64218 | 7.8 HIGH | batman-adv backbone_gw清理时bla:fix report_work内存泄漏 |
| CVE-2026-64251 | 7.8 HIGH | pwrseq 驱动 pwrseq_debugfs_seq_next 函数 Use-After-Free 漏洞 |
| CVE-2026-64217 | 7.8 HIGH | netfs netfs_extract_user_iter() 溢出检查漏洞 |
| CVE-2026-64208 | 7.5 HIGH | crypto/krb5, rxrpc: 修复缺少预解密/预验证长度检查漏洞 |
| CVE-2026-64210 | 7.5 HIGH | Net MLX5E XSK 修复 ICOSQ 未锁写入漏洞 |
| CVE-2026-64243 | 7.1 HIGH | ASoC simple-mux 枚举控制边界检查漏洞 |
| CVE-2026-64222 | 7.0 HIGH | octeontx2-pf 驱动队列初始化失败双释放漏洞 |
| CVE-2026-64219 | 7.0 HIGH | AMD Display 验证 payload 长度与 link_index 漏洞 |
| CVE-2026-64250 | LoongArch: stop_this_cpu()中报告死CPU给RCU漏洞 | |
| CVE-2026-64252 | MIPS DEC 初始控制台缓冲区地址空间越界漏洞 | |
| CVE-2026-64249 | FPGA区域修复child_regions_with_firmware中Use-After-Free漏洞 | |
| CVE-2026-64220 | 内核fwnode_init()空指针漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-64231
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