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CVE-2026-72479— iio: accel: mma8452: handle I2C read error(s) in mma8452_read()

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存在安全漏洞，该漏洞源于I2C读取错误处理不当，当i2c_smbus_read_i2c_block_data()失败时未正确传播错误，可能导致调用者使用包含未初始化栈内存的缓冲区。

AI Predicted 6.5 Difficulty: Hard EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< b488055e81d9faaaf2f8aaff45f9944040ac4493 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< f9ec3f3e9cf27dd06cd3725eeaa44e3ce46be893 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< b4932fc325e84a3233413daf230b043818c8a824 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< eed69f8a10b82989ad732ace0fb43a9fb4e7fe35 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< f3d905ea1e4996d933074481e80d96ecd74a9904 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< 1cddef80a180af74c33d2f26c962ce92b60fded4 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< f3d413e701c5e54bef736b638967724dda880365 affected
96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8< 5bdff291d20c31b365d9ddfe9c426fbfb41da5bb affected
… +10 more rows
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I. Basic Information for CVE-2026-72479

Vulnerability Information
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Vulnerability Title
iio: accel: mma8452: handle I2C read error(s) in mma8452_read()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iio: accel: mma8452: handle I2C read error(s) in mma8452_read() Currently, If i2c_smbus_read_i2c_block_data() fails but mma8452_set_runtime_pm_state() succeeds, mma8452_read() returns 0. As a result, the caller mma8452_read_raw() assumes the read was successful and proceeds to use a buffer containing uninitialized stack memory. Add proper checking of the I2C read return value and propagate errors to the caller.
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存在安全漏洞，该漏洞源于I2C读取错误处理不当，当i2c_smbus_read_i2c_block_data()失败时未正确传播错误，可能导致调用者使用包含未初始化栈内存的缓冲区。
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 96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8 ~ b488055e81d9faaaf2f8aaff45f9944040ac4493 -
Linux Linux 4.7 -

II. Public POCs for CVE-2026-72479

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III. Intelligence Information for CVE-2026-72479

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Patches & Fixes for CVE-2026-72479 (8)

Same Patch Batch · Linux · 2026-08-15 · 844 CVEs total

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-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72319 9.8 CRITICAL ipvs: ensure inner headers in ICMP errors are in headroom
CVE-2026-72220 9.8 CRITICAL sunrpc: harden rq_procinfo lifecycle to prevent double-free
CVE-2026-72217 9.8 CRITICAL SUNRPC: Bound-check xdr_buf_to_bvec() stores before writing
CVE-2026-74384 9.8 CRITICAL nvme-multipath: fix flex array size in struct nvme_ns_head
CVE-2026-72299 9.8 CRITICAL tipc: restrict socket queue dumps in enqueue tracepoints
CVE-2026-72210 9.8 CRITICAL ntfs: fix off-by-one in mapping pairs decoding bounds checks
CVE-2026-72211 9.8 CRITICAL ntfs: grow index root value before reparent header update
CVE-2026-72317 9.8 CRITICAL SUNRPC: pin upper rpc_clnt across the TLS connect_worker
CVE-2026-72209 9.8 CRITICAL ntfs: validate attribute values on lookup
CVE-2026-74268 9.8 CRITICAL tcp: clear sock_ops cb flags before force-closing a child socket
CVE-2026-72207 9.8 CRITICAL ntfs: not change 0-byte $DATA attribute to non-resident
CVE-2026-74267 9.8 CRITICAL net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring q

Showing top 20 of 844 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72479

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