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CVE-2026-46082— KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

AI Predicted 3.7 Difficulty: Moderate EPSS 0.03% · P10

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinuxff092385e8285c03d8b148f42f46f98c5f4becd5< ebb63390142c6458fc37758e0892759989cc159faffected
ff092385e8285c03d8b148f42f46f98c5f4becd5< 491139c17f8ad5773303068411f6ac5eed438b51affected
ff092385e8285c03d8b148f42f46f98c5f4becd5< 3ac9d4241d205f5d0df06358349ca718ebb0fa12affected
ff092385e8285c03d8b148f42f46f98c5f4becd5< 643125b66ffc1147c66616b749475ba9efb15971affected
ff092385e8285c03d8b148f42f46f98c5f4becd5< c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28affected
ff092385e8285c03d8b148f42f46f98c5f4becd5< ee24928ecd85db4b68ed111e91fef36af0ca37b0affected
ff092385e8285c03d8b148f42f46f98c5f4becd5< d99df02ff427f461102230f9c5b90a6c64ee8e23affected
2.6.32affected
… +8 more rows
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I. Basic Information for CVE-2026-46082

Vulnerability Information
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Vulnerability Title
KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to properly inject #UD when EFER.SVME=0. [sean: tag for stable@]
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KVM SVM模块未在EFER.SVME=0时正确注入#UD异常，可能导致INVLPGA指令处理异常。
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 ff092385e8285c03d8b148f42f46f98c5f4becd5 ~ ebb63390142c6458fc37758e0892759989cc159f -
LinuxLinux 2.6.32 -

II. Public POCs for CVE-2026-46082

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III. Intelligence Information for CVE-2026-46082

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Patches & Fixes for CVE-2026-46082 (7)

Same Patch Batch · Linux · 2026-05-27 · 276 CVEs total

CVE-2026-458989.8 CRITICALRDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-459729.8 CRITICALsmb: client: fix potential UAF and double free in smb2_open_file()
CVE-2026-460399.8 CRITICALrxgk: Fix potential integer overflow in length check
CVE-2026-459889.8 CRITICALrxrpc: Fix re-decryption of RESPONSE packets
CVE-2026-460439.1 CRITICALRDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
CVE-2026-460568.8 HIGHBluetooth: hci_event: fix potential UAF in SSP passkey handlers
CVE-2026-459458.8 HIGHiommu/vt-d: Fix race condition during PASID entry replacement
CVE-2026-460378.2 HIGHipv4: icmp: validate reply type before using icmp_pointers
CVE-2026-458438.2 HIGHslip: bound decode() reads against the compressed packet length
CVE-2026-460108.1 HIGHrxrpc: Fix error handling in rxgk_extract_token()
CVE-2026-460998.1 HIGHnet: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
CVE-2026-460767.9 HIGHKVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
CVE-2026-459427.8 HIGHext4: fix e4b bitmap inconsistency reports
CVE-2026-459707.8 HIGHbonding: alb: fix UAF in rlb_arp_recv during bond up/down
CVE-2026-459807.8 HIGHaccel/amdxdna: Stop job scheduling across aie2_release_resource()
CVE-2026-459517.8 HIGHbpf: Fix a potential use-after-free of BTF object
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
CVE-2026-460367.8 HIGHvfio/cdx: Serialize VFIO_DEVICE_SET_IRQS with a per-device mutex
CVE-2026-459317.8 HIGHaccel/amdxdna: Hold mm structure across iommu_sva_unbind_device()
CVE-2026-460657.8 HIGHfbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info

Showing top 20 of 276 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46082

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