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CVE-2026-46072— ntfs3: add buffer boundary checks to run_unpack()

AI Predicted 7.8 Difficulty: Moderate EPSS 0.02% · P5

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinux82cae269cfa953032fbb8980a7d554d60fb00b17< bbad75336870b51b81979b97613746237fcb02feaffected
82cae269cfa953032fbb8980a7d554d60fb00b17< 425de2aba0d061b3e715d51a3b1992c112ed5b99affected
82cae269cfa953032fbb8980a7d554d60fb00b17< bf7ac4a1d3bfc6e56e54635c3d331a68170d37c9affected
82cae269cfa953032fbb8980a7d554d60fb00b17< e64f7dfcaff79e7dfff9121a382dd77f9b462f62affected
82cae269cfa953032fbb8980a7d554d60fb00b17< d3012690a7065d9ca86521a525ad11e8af491d45affected
82cae269cfa953032fbb8980a7d554d60fb00b17< 41aadf5cb482793a24e05aa136224e179a778586affected
82cae269cfa953032fbb8980a7d554d60fb00b17< b62567bca47408e6739dee75f02a2113548af875affected
5.15affected
… +8 more rows
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I. Basic Information for CVE-2026-46072

Vulnerability Information
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Vulnerability Title
ntfs3: add buffer boundary checks to run_unpack()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ntfs3: add buffer boundary checks to run_unpack() run_unpack() checks `run_buf < run_last` at the top of the while loop but then reads size_size and offset_size bytes via run_unpack_s64() without verifying they fit within the remaining buffer. A crafted NTFS image with truncated run data in an MFT attribute triggers an OOB heap read of up to 15 bytes when the filesystem is mounted. Add boundary checks before each run_unpack_s64() call to ensure the declared field size does not exceed the remaining buffer. Found by fuzzing with a source-patched harness (LibAFL + QEMU).
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ntfs3中run_unpack函数缺少缓冲区边界检查，可能导致堆越界读取。
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 82cae269cfa953032fbb8980a7d554d60fb00b17 ~ bbad75336870b51b81979b97613746237fcb02fe -
LinuxLinux 5.15 -

II. Public POCs for CVE-2026-46072

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III. Intelligence Information for CVE-2026-46072

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Patches & Fixes for CVE-2026-46072 (6)

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-2026-460367.8 HIGHvfio/cdx: Serialize VFIO_DEVICE_SET_IRQS with a per-device mutex
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
CVE-2026-458617.8 HIGHgfs2: Fix slab-use-after-free in qd_put
CVE-2026-459297.8 HIGHovpn: fix possible use-after-free in ovpn_net_xmit
CVE-2026-459847.8 HIGHgfs2: Fix use-after-free in iomap inline data write path
CVE-2026-459337.8 HIGHbpf: Preserve id of register in sync_linked_regs()
CVE-2026-460587.8 HIGHmedia: amphion: Fix race between m2m job_abort and device_run
CVE-2026-459317.8 HIGHaccel/amdxdna: Hold mm structure across iommu_sva_unbind_device()

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-2026-46072

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