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CVE-2026-68475— reset: sunxi: fix memory region leak on ioremap failure

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，该漏洞源于在sunxi_reset_init()中，当ioremap()失败时，通过request_mem_region()获得的内存区域未被释放，导致资源泄漏。

AI Predicted 3.3 Difficulty: Theoretical EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 8f1ae77f466660b6da2455cccecc07ae631fa66d< 23af4ea217800a20c405d72e82b11e24e27721f3 affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< ec836995c00a1968e403ef6beb53a73a9b0f318c affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< b4d7333849839ff42e1bc802d5b5f63d71c65add affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< 6dc0c8cd9c8a84808c6df760024d2604bc6d31fe affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< 01e43f4e7d12dae6fa82ae1b2e91c9ce07e06cd8 affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< 82753ac86cb3d641b8634a61335fd0f04a61cc1a affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< d826d3e04c5bd9d284ba29f330246a317a8a7023 affected
8f1ae77f466660b6da2455cccecc07ae631fa66d< 1a8c89f8c112c75e84ff9a140f969e372aed0c9a affected
… +10 more rows
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I. Basic Information for CVE-2026-68475

Vulnerability Information
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Vulnerability Title
reset: sunxi: fix memory region leak on ioremap failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: reset: sunxi: fix memory region leak on ioremap failure In sunxi_reset_init(), when ioremap() fails, the memory region obtained via request_mem_region() is not released, leading to a resource leak. Add an err_mem_region label to properly release the memory region before freeing the data structure.
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，该漏洞源于在sunxi_reset_init()中，当ioremap()失败时，通过request_mem_region()获得的内存区域未被释放，导致资源泄漏。
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 8f1ae77f466660b6da2455cccecc07ae631fa66d ~ 23af4ea217800a20c405d72e82b11e24e27721f3 -
Linux Linux 3.14 -

II. Public POCs for CVE-2026-68475

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III. Intelligence Information for CVE-2026-68475

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Patches & Fixes for CVE-2026-68475 (8)

Same Patch Batch · Linux · 2026-08-15 · 844 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-2026-72407 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-2026-74309 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-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72463 9.8 CRITICAL xfrm: Fix dev use-after-free in xfrm async resumption
CVE-2026-72248 9.8 CRITICAL netfilter: flowtable: support IPIP tunnel with direct xmit
CVE-2026-72381 9.8 CRITICAL ksmbd: fix use-after-free of fp->owner.name in durable handle owner check
CVE-2026-72477 9.8 CRITICAL fs/ntfs3: call _ntfs_bad_inode() when failing to rename
CVE-2026-72473 9.8 CRITICAL xprtrdma: Decouple req recycling from RPC completion
CVE-2026-72472 9.8 CRITICAL nfs: use nfsi->rwsem to protect traversal of the file lock list
CVE-2026-74406 9.8 CRITICAL vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().
CVE-2026-72221 9.8 CRITICAL sunrpc: wait for in-flight TLS handshake callback when cancel loses race
CVE-2026-72139 9.8 CRITICAL tcp: defer md5sig_info kfree past RCU grace period in tcp_connect
CVE-2026-72137 9.8 CRITICAL xfrm: nat_keepalive: avoid double free on send error
CVE-2026-74376 9.8 CRITICAL md/raid10: reset read_slot when reusing r10bio for discard
CVE-2026-72130 9.8 CRITICAL nvmet-auth: reject short AUTH_RECEIVE buffers

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-2026-68475

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