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CVE-2026-72168— mtd: maps: vmu-flash: fix fault in unaligned fixup

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 2.6.30版本存在安全漏洞，该漏洞源于使用kmalloc分配memcard结构体导致访问未初始化数据，可能导致系统运行时错误。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1552.005 · Cloud Instance Metadata API

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 47a72688fae7298e1ad5fdc9bff7e04b6a549620< f781e80c9f1e52d92535c076573b0cdafab04864 affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 631edc934e476991a04723d3283e6628d077f8c1 affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 90494884cd9f02c38b4eafb0ed3b0e1a4410e2ac affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 01928835d80829e615a492aa66c629b953ec7bef affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 19360c25135fccb6bbafbee49a5f66baf9a311af affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 455519f6b70f46ac6cbf41a75ac76ec5e59040f2 affected
47a72688fae7298e1ad5fdc9bff7e04b6a549620< 79d1661502c6e4b6f626185cef72cf2fa78116e1 affected
2.6.30 affected
… +8 more rows
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I. Basic Information for CVE-2026-72168

Vulnerability Information
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Vulnerability Title
mtd: maps: vmu-flash: fix fault in unaligned fixup
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix fault in unaligned fixup Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs, instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized data. Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at mtd_get_fact_prot_info.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 2.6.30版本存在安全漏洞，该漏洞源于使用kmalloc分配memcard结构体导致访问未初始化数据，可能导致系统运行时错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 47a72688fae7298e1ad5fdc9bff7e04b6a549620 ~ f781e80c9f1e52d92535c076573b0cdafab04864 -
Linux Linux 2.6.30 -

II. Public POCs for CVE-2026-72168

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III. Intelligence Information for CVE-2026-72168

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Patches & Fixes for CVE-2026-72168 (7)

Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total

CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72201 9.8 CRITICAL ntfs: validate index entries on reading
CVE-2026-72065 9.8 CRITICAL net: mana: Validate the packet length reported by the NIC
CVE-2026-72064 9.8 CRITICAL net: mana: Sync page pool RX frags for CPU
CVE-2026-74480 9.8 CRITICAL net: bridge: stop fast-leave after deleting a port group
CVE-2026-72191 9.8 CRITICAL ntfs3: validate split-point offset in indx_insert_into_buffer
CVE-2026-72192 9.8 CRITICAL ntfs3: bound to_move in indx_insert_into_root before hdr_insert_head
CVE-2026-74478 9.8 CRITICAL um: vector: fix use-after-free in vector_mmsg_rx()
CVE-2026-72194 9.8 CRITICAL fs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow
CVE-2026-74269 9.8 CRITICAL bnxt: fix head underflow on XDP head-grow
CVE-2026-72209 9.8 CRITICAL ntfs: validate attribute values on lookup
CVE-2026-72211 9.8 CRITICAL ntfs: grow index root value before reparent header update
CVE-2026-72210 9.8 CRITICAL ntfs: fix off-by-one in mapping pairs decoding bounds checks

Showing top 20 of 845 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72168

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