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CVE-2025-71203— riscv: Sanitize syscall table indexing under speculation

AI Predicted 5.5 Difficulty: Hard EPSS 0.13% · P3

Possible ATT&CK Techniques 1AI

T1206

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinuxf0bddf50586da81360627a772be0e355b62f071e< 33743ec6679aa364ee19d1afbaa50593e9e6e443affected
f0bddf50586da81360627a772be0e355b62f071e< c45848936ebdb4fcab92f8c39510db83c16d0239affected
f0bddf50586da81360627a772be0e355b62f071e< 8b44e753795107a22ba31495686e83f4aca48f36affected
f0bddf50586da81360627a772be0e355b62f071e< 25fd7ee7bf58ac3ec7be3c9f82ceff153451946caffected
6.4affected
< 6.4unaffected
6.6.130≤ 6.6.*unaffected
6.12.70≤ 6.12.*unaffected
… +2 more rows
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I. Basic Information for CVE-2025-71203

Vulnerability Information
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Vulnerability Title
riscv: Sanitize syscall table indexing under speculation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: riscv: Sanitize syscall table indexing under speculation The syscall number is a user-controlled value used to index into the syscall table. Use array_index_nospec() to clamp this value after the bounds check to prevent speculative out-of-bounds access and subsequent data leakage via cache side channels.
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，该漏洞源于系统调用表索引在推测执行下未进行净化，可能导致通过缓存侧信道进行越界访问和数据泄露。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux f0bddf50586da81360627a772be0e355b62f071e ~ 33743ec6679aa364ee19d1afbaa50593e9e6e443 -
LinuxLinux 6.4 -

II. Public POCs for CVE-2025-71203

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III. Intelligence Information for CVE-2025-71203

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Patches & Fixes for CVE-2025-71203 (1)

Same Patch Batch · Linux · 2026-02-14 · 108 CVEs total

CVE-2025-712028.8 HIGHiommu/sva: invalidate stale IOTLB entries for kernel address space
CVE-2026-231938.8 HIGHscsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
CVE-2026-231728.4 HIGHnet: wwan: t7xx: fix potential skb->frags overflow in RX path
CVE-2026-232097.8 HIGHmacvlan: fix error recovery in macvlan_common_newlink()
CVE-2025-712217.8 HIGHdmaengine: mmp_pdma: Fix race condition in mmp_pdma_residue()
CVE-2026-231787.8 HIGHHID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
CVE-2026-231847.8 HIGHbinder: fix UAF in binder_netlink_report()
CVE-2026-231857.8 HIGHwifi: iwlwifi: mld: cancel mlo_scan_start_wk
CVE-2026-231717.8 HIGHbonding: fix use-after-free due to enslave fail after slave array update
CVE-2026-231697.8 HIGHmptcp: fix race in mptcp_pm_nl_flush_addrs_doit()
CVE-2026-231917.8 HIGHALSA: aloop: Fix racy access at PCM trigger
CVE-2026-231927.8 HIGHlinkwatch: use __dev_put() in callers to prevent UAF
CVE-2026-231987.8 HIGHKVM: Don't clobber irqfd routing type when deassigning irqfd
CVE-2026-231397.5 HIGHnetfilter: nf_conncount: update last_gc only when GC has been performed
CVE-2026-231487.5 HIGHnvmet: fix race in nvmet_bio_done() leading to NULL pointer dereference
CVE-2026-231367.5 HIGHlibceph: reset sparse-read state in osd_fault()
CVE-2025-712047.5 HIGHsmb/server: fix refcount leak in parse_durable_handle_context()
CVE-2026-231617.3 HIGHmm/shmem, swap: fix race of truncate and swap entry split
CVE-2025-712017.1 HIGHnetfs: Fix early read unlock of page with EOF in middle
CVE-2026-232047.1 HIGHnet/sched: cls_u32: use skb_header_pointer_careful()

Showing top 20 of 108 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71203

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