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CVE-2025-71187— dmaengine: sh: rz-dmac: fix device leak on probe 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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于探测失败期间未释放对ICU设备的引用，可能导致设备泄漏。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 7de873201c44bff5b42f2e560098d463843b8a4c< 926d1666420c227eab50962a8622c1b8444720e8 affected
7de873201c44bff5b42f2e560098d463843b8a4c< 9fb490323997dcb6f749cd2660a17a39854600cd affected
6.16 affected
< 6.16 unaffected
6.18.7≤ 6.18.* unaffected
6.19≤ * unaffected
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I. Basic Information for CVE-2025-71187

Vulnerability Information
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Vulnerability Title
dmaengine: sh: rz-dmac: fix device leak on probe failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: sh: rz-dmac: fix device leak on probe failure Make sure to drop the reference taken when looking up the ICU device during probe also on probe failures (e.g. probe deferral).
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于探测失败期间未释放对ICU设备的引用，可能导致设备泄漏。
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 7de873201c44bff5b42f2e560098d463843b8a4c ~ 926d1666420c227eab50962a8622c1b8444720e8 -
Linux Linux 6.16 -

II. Public POCs for CVE-2025-71187

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III. Intelligence Information for CVE-2025-71187

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Same Patch Batch · Linux · 2026-01-31 · 37 CVEs total

CVE-2025-71183 9.1 CRITICAL btrfs: always detect conflicting inodes when logging inode refs
CVE-2026-23018 btrfs: release path before initializing extent tree in btrfs_read_locked_inode()
CVE-2025-71186 dmaengine: stm32: dmamux: fix device leak on route allocation
CVE-2025-71185 dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation
CVE-2026-23024 idpf: fix memory leak of flow steer list on rmmod
CVE-2026-23023 idpf: fix memory leak in idpf_vport_rel()
CVE-2026-23022 idpf: fix memory leak in idpf_vc_core_deinit()
CVE-2026-23021 net: usb: pegasus: fix memory leak in update_eth_regs_async()
CVE-2026-23020 net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
CVE-2026-23019 net: marvell: prestera: fix NULL dereference on devlink_alloc() failure
CVE-2025-71189 dmaengine: dw: dmamux: fix OF node leak on route allocation failure
CVE-2026-23017 idpf: fix error handling in the init_task on load
CVE-2026-23016 inet: frags: drop fraglist conntrack references
CVE-2026-23015 gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths
CVE-2025-71184 btrfs: fix NULL dereference on root when tracing inode eviction
CVE-2025-71182 can: j1939: make j1939_session_activate() fail if device is no longer registered
CVE-2025-71181 rust_binder: remove spin_lock() in rust_shrink_free_page()
CVE-2025-71180 counter: interrupt-cnt: Drop IRQF_NO_THREAD flag
CVE-2026-23031 can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak
CVE-2026-23039 drm/gud: fix NULL fb and crtc dereferences on USB disconnect

Showing top 20 of 37 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71187

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