CVE-2025-40266— KVM: arm64: Check the untrusted offset in FF-A memory share
Possible ATT&CK Techniques 1AI
T1055 · Process InjectionAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 6211753fdfd05af9e08f54c8d0ba3ee516034878< fc3139d9f4c1fe1c7d5f25f99676bd8e9c6a1041 | affected |
6211753fdfd05af9e08f54c8d0ba3ee516034878< bc1909ef38788f2ee3d8011d70bf029948433051 | affected | ||
6211753fdfd05af9e08f54c8d0ba3ee516034878< f9f1aed6c8a3427900da3121e1868124854569c3 | affected | ||
6211753fdfd05af9e08f54c8d0ba3ee516034878< 103e17aac09cdd358133f9e00998b75d6c1f1518 | affected | ||
3.11 | affected | ||
< 3.11 | unaffected | ||
6.6.118≤ 6.6.* | unaffected | ||
6.12.60≤ 6.12.* | unaffected | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2025-40266
Vulnerability Information
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Vulnerability Title
KVM: arm64: Check the untrusted offset in FF-A memory share
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an untrusted large enough value [U32_MAX - sizeof(struct ffa_composite_mem_region) + 1, U32_MAX] is set from the host kernel.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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，该漏洞源于未验证偏移量，可能导致越界访问。
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-2025-40266
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Linux · 2025-12-04 · 53 CVEs total
| CVE-2025-40261 | 9.8 CRITICAL | nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl() |
| CVE-2025-40252 | 9.8 CRITICAL | net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() |
| CVE-2025-40258 | 9.8 CRITICAL | mptcp: fix race condition in mptcp_schedule_work() |
| CVE-2025-40257 | 9.8 CRITICAL | mptcp: fix a race in mptcp_pm_del_add_timer() |
| CVE-2025-40253 | 8.8 HIGH | s390/ctcm: Fix double-kfree |
| CVE-2025-40233 | 7.8 HIGH | ocfs2: clear extent cache after moving/defragmenting extents |
| CVE-2025-40251 | 7.8 HIGH | devlink: rate: Unset parent pointer in devl_rate_nodes_destroy |
| CVE-2025-40262 | 7.8 HIGH | Input: imx_sc_key - fix memory corruption on unload |
| CVE-2025-40216 | 7.8 HIGH | io_uring/rsrc: don't rely on user vaddr alignment |
| CVE-2025-40215 | 7.8 HIGH | xfrm: delete x->tunnel as we delete x |
| CVE-2025-40250 | 7.8 HIGH | net/mlx5: Clean up only new IRQ glue on request_irq() failure |
| CVE-2025-40248 | 7.8 HIGH | vsock: Ignore signal/timeout on connect() if already established |
| CVE-2025-40249 | 7.8 HIGH | gpio: cdev: make sure the cdev fd is still active before emitting events |
| CVE-2025-40245 | 7.8 HIGH | nios2: ensure that memblock.current_limit is set when setting pfn limits |
| CVE-2025-40244 | 7.8 HIGH | hfsplus: fix KMSAN uninit-value issue in __hfsplus_ext_cache_extent() |
| CVE-2025-40243 | 7.8 HIGH | hfs: fix KMSAN uninit-value issue in hfs_find_set_zero_bits() |
| CVE-2025-40241 | 7.8 HIGH | erofs: fix crafted invalid cases for encoded extents |
| CVE-2025-40214 | 7.8 HIGH | af_unix: Initialise scc_index in unix_add_edge(). |
| CVE-2025-40240 | 7.5 HIGH | sctp: avoid NULL dereference when chunk data buffer is missing |
| CVE-2025-40242 | 7.0 HIGH | gfs2: Fix unlikely race in gdlm_put_lock |
Showing top 20 of 53 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
V. Comments for CVE-2025-40266
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