CVE-2025-37900— iommu: Fix two issues in iommu_copy_struct_from_user()
Affected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | e9d36c07bb787840e4813fb09a929a17d522a69f< 2e303d010722787dc84d94f68d70fe10dfc1b9ea | affected |
e9d36c07bb787840e4813fb09a929a17d522a69f< 967d6f0d9a20a1bf15ee7ed881e2d4e532e22709 | affected | ||
e9d36c07bb787840e4813fb09a929a17d522a69f< 30a3f2f3e4bd6335b727c83c08a982d969752bc1 | affected | ||
6.7 | affected | ||
< 6.7 | unaffected | ||
6.12.28≤ 6.12.* | unaffected | ||
6.14.6≤ 6.14.* | unaffected | ||
6.15≤ * | unaffected |
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I. Basic Information for CVE-2025-37900
Vulnerability Information
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Vulnerability Title
iommu: Fix two issues in iommu_copy_struct_from_user()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iommu: Fix two issues in iommu_copy_struct_from_user() In the review for iommu_copy_struct_to_user() helper, Matt pointed out that a NULL pointer should be rejected prior to dereferencing it: https://lore.kernel.org/all/86881827-8E2D-461C-BDA3-FA8FD14C343C@nvidia.com And Alok pointed out a typo at the same time: https://lore.kernel.org/all/480536af-6830-43ce-a327-adbd13dc3f1d@oracle.com Since both issues were copied from iommu_copy_struct_from_user(), fix them first in the current header.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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iommu_copy_struct_from_user函数中未检查空指针和存在拼写错误。
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
II. Public POCs for CVE-2025-37900
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-37900 (1)
Same Patch Batch · Linux · 2025-05-20 · 95 CVEs total
| CVE-2025-37924 | 9.8 CRITICAL | ksmbd: fix use-after-free in kerberos authentication |
| CVE-2025-37958 | mm/huge_memory: fix dereferencing invalid pmd migration entry | |
| CVE-2025-37954 | smb: client: Avoid race in open_cached_dir with lease breaks | |
| CVE-2025-37953 | sch_htb: make htb_deactivate() idempotent | |
| CVE-2025-37949 | xenbus: Use kref to track req lifetime | |
| CVE-2025-37948 | arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs | |
| CVE-2025-37947 | ksmbd: prevent out-of-bounds stream writes by validating *pos | |
| CVE-2025-37946 | s390/pci: Fix duplicate pci_dev_put() in disable_slot() when PF has child VFs | |
| CVE-2025-37945 | net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY | |
| CVE-2025-37950 | ocfs2: fix panic in failed foilio allocation | |
| CVE-2025-37957 | KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception | |
| CVE-2025-37956 | ksmbd: prevent rename with empty string | |
| CVE-2025-37960 | memblock: Accept allocated memory before use in memblock_double_array() | |
| CVE-2025-37959 | bpf: Scrub packet on bpf_redirect_peer | |
| CVE-2025-37961 | ipvs: fix uninit-value for saddr in do_output_route4 | |
| CVE-2025-37963 | arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users | |
| CVE-2025-37962 | ksmbd: fix memory leak in parse_lease_state() | |
| CVE-2025-37964 | x86/mm: Eliminate window where TLB flushes may be inadvertently skipped | |
| CVE-2025-37965 | drm/amd/display: Fix invalid context error in dml helper | |
| CVE-2025-37967 | usb: typec: ucsi: displayport: Fix deadlock |
Showing top 20 of 95 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
Same vendor: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
V. Comments for CVE-2025-37900
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