CVE-2026-72478— NTFS3 文件系统中 run_get_highest_vcn 函数缺少边界检查漏洞
可能的 ATT&CK 技术 1AI
T1190 · Exploit Public-Facing Application影响版本矩阵 22
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 425de2aba0d061b3e715d51a3b1992c112ed5b99< c69b9003332917b652175d5fa9d84158c5ed8617 | affected |
bf7ac4a1d3bfc6e56e54635c3d331a68170d37c9< 8afc24a884aff6a6f08028bd779ee65c40054455 | affected | ||
e64f7dfcaff79e7dfff9121a382dd77f9b462f62< c23083b472a720c3f60b147db05b25b751c7c1bf | affected | ||
d3012690a7065d9ca86521a525ad11e8af491d45< a31893206588374d7d16fad387189d8165c7efd3 | affected | ||
b62567bca47408e6739dee75f02a2113548af875< 41081202eb823f5b27ff164b12010b24428100ad | affected | ||
b62567bca47408e6739dee75f02a2113548af875< bb11485a87fbb2254b62cfed630b699d50e57da8 | affected | ||
bbad75336870b51b81979b97613746237fcb02fe | affected | ||
41aadf5cb482793a24e05aa136224e179a778586 | affected | ||
| … +14 条更多 | |||
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一、 漏洞 CVE-2026-72478 基础信息
漏洞信息
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Vulnerability Title
fs/ntfs3: add bounds check to run_get_highest_vcn()
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: add bounds check to run_get_highest_vcn() run_get_highest_vcn() parses a packed NTFS mapping-pairs buffer without any length bound, relying solely on a 0x00 terminator to stop. A crafted $LogFile UpdateMappingPairs record whose embedded attribute contains mapping-pairs runs without a terminator causes the function to read past the slab allocation, triggering a KASAN slab-out-of-bounds read on mount. The sibling function run_unpack() received an analogous bounds-check in commit b62567bca474 ("ntfs3: add buffer boundary checks to run_unpack()"), but run_get_highest_vcn() was missed. Take a run_buf_size parameter and reject any run header whose payload would extend past the buffer end, mirroring the pattern used by run_unpack(). The caller in fslog.c passes the remaining attribute bytes after the mapping-pairs offset. KASAN report (on mainline v7.1 merge window HEAD): BUG: KASAN: slab-out-of-bounds in run_get_highest_vcn+0x3c0/0x410 Read of size 1 at addr ffff88800e2d5400 by task mount/72 Call Trace: run_get_highest_vcn+0x3c0/0x410 do_action.isra.0+0x3ba8/0x7b50 log_replay+0x9ddd/0x10200 ntfs_loadlog_and_replay+0x4ad/0x610 ntfs_fill_super+0x214a/0x4540
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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-2026-72478 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-72478 补丁与修复 (6)
同批安全公告 · Linux · 2026-08-15 · 共 846 条
| CVE-2026-74280 | 10.0 CRITICAL | Marvell OCTEONTX 驱动 DMA清理循环索引错误漏洞 |
| CVE-2026-74279 | 10.0 CRITICAL | Cavium CPT DMA清理使用错误循环索引 |
| CVE-2026-72407 | 10.0 CRITICAL | Geneve 内核模块 inner network offset 验证漏洞 |
| CVE-2026-72408 | 10.0 CRITICAL | Geneve GRO提示处理缺陷 |
| CVE-2026-74309 | 10.0 CRITICAL | vdpa/octeon_ep 中断处理程序 IRQ 到环映射错误 |
| CVE-2026-74475 | 10.0 CRITICAL | vxlan 短路由中 neigh_ha_snapshot() 使用错误 |
| CVE-2026-72421 | 10.0 CRITICAL | IPv4 fib 本地/主表忽略错误路由 |
| CVE-2026-72493 | 9.9 CRITICAL | net: 在 enqueue_to_backlog() 中序列化 netif_running() 检查 |
| CVE-2026-72463 | 9.8 CRITICAL | xfrm: 异步恢复中设备使用后释放漏洞 |
| CVE-2026-72248 | 9.8 CRITICAL | netfilter flowtable IPIP隧道直接转发漏洞 |
| CVE-2026-72381 | 9.8 CRITICAL | ksmbd 耐久句柄检查中的use-after-free漏洞 |
| CVE-2026-72477 | 9.8 CRITICAL | NTFS3 重命名失败时调用 _ntfs_bad_inode 漏洞 |
| CVE-2026-72473 | 9.8 CRITICAL | xprtrdma 远程代码执行漏洞 |
| CVE-2026-72472 | 9.8 CRITICAL | NFS 使用rwsem保护文件锁列表遍历 |
| CVE-2026-74406 | 9.8 CRITICAL | VXLAN 内核模块远程代码执行漏洞 |
| CVE-2026-72222 | 9.8 CRITICAL | SunRPC 异步 TLS 握手回调中锁定服务传输 |
| CVE-2026-72137 | 9.8 CRITICAL | Linux xfrm nat_keepalive发送错误时双重释放漏洞 |
| CVE-2026-72226 | 9.8 CRITICAL | batman-adv TVLV越界检查溢出漏洞 |
| CVE-2026-74376 | 9.8 CRITICAL | md/raid10 复用r10bio处理丢弃时未重置读槽漏洞 |
| CVE-2026-72234 | 9.8 CRITICAL | batman-adv 未 realloc 时访问 skb->data 漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-72478
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