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CVE-2025-71163— dmaengine: idxd: fix device leaks on compat bind and unbind

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compat绑定和解绑时未释放设备引用，可能导致设备泄露。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< b7bd948f89271c92d9ca9b2b682bfba56896e959 affected
6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< b2d077180a56e3b7c97b7517d0465b584adc693b affected
6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99 affected
6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< 0c97ff108f825a70c3bb29d65ddf0a013d231bb9 affected
6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< a7226fd61def74b60dd8e47ec84cabafc39d575b affected
6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9< 799900f01792cf8b525a44764f065f83fcafd468 affected
5.15 affected
< 5.15 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-71163

Vulnerability Information
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Vulnerability Title
dmaengine: idxd: fix device leaks on compat bind and unbind
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix device leaks on compat bind and unbind Make sure to drop the reference taken when looking up the idxd device as part of the compat bind and unbind sysfs interface.
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compat绑定和解绑时未释放设备引用，可能导致设备泄露。
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 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 ~ b7bd948f89271c92d9ca9b2b682bfba56896e959 -
Linux Linux 5.15 -

II. Public POCs for CVE-2025-71163

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III. Intelligence Information for CVE-2025-71163

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Same Patch Batch · Linux · 2026-01-25 · 20 CVEs total

CVE-2026-23004 7.8 HIGH dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()
CVE-2025-71162 7.8 HIGH dmaengine: tegra-adma: Fix use-after-free
CVE-2026-22999 7.8 HIGH net/sched: sch_qfq: do not free existing class in qfq_change_class()
CVE-2026-23001 7.8 HIGH macvlan: fix possible UAF in macvlan_forward_source()
CVE-2026-23010 7.8 HIGH ipv6: Fix use-after-free in inet6_addr_del().
CVE-2026-23003 7.5 HIGH ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()
CVE-2026-22998 7.5 HIGH nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec
CVE-2026-22997 7.5 HIGH net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the
CVE-2026-23013 7.0 HIGH net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback
CVE-2026-23009 xhci: sideband: don't dereference freed ring when removing sideband endpoint
CVE-2026-23008 drm/vmwgfx: Fix KMS with 3D on HW version 10
CVE-2026-23007 block: zero non-PI portion of auto integrity buffer
CVE-2026-23006 ASoC: tlv320adcx140: fix null pointer
CVE-2026-23005 x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1
CVE-2026-23002 lib/buildid: use __kernel_read() for sleepable context
CVE-2026-23000 net/mlx5e: Fix crash on profile change rollback failure
CVE-2026-23011 ipv4: ip_gre: make ipgre_header() robust
CVE-2026-22996 net/mlx5e: Don't store mlx5e_priv in mlx5e_dev devlink priv
CVE-2026-23012 mm/damon/core: remove call_control in inactive contexts

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71163

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