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CVE-2026-46068— crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx

AI Predicted 5.5 Difficulty: Easy EPSS 0.02% · P7

Possible ATT&CK Techniques 1AI

T1135 · Network Share Discovery

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinuxed70b479c2c0b6e1319f0cb2de19f1051be219a4< f17a4850d1ce7c11cba8b1830b9bfedfede878bbaffected
ed70b479c2c0b6e1319f0cb2de19f1051be219a4< 910bb34b801d39794e656f7d48414844b2bd354eaffected
ed70b479c2c0b6e1319f0cb2de19f1051be219a4< 5c07962fed66e1238fad7635fa150570bd38b4c5affected
ed70b479c2c0b6e1319f0cb2de19f1051be219a4< 80fd99d7c30ea889662d21f1b44d8fea4c83138daffected
ed70b479c2c0b6e1319f0cb2de19f1051be219a4< adb3faf2db1a66d0f015b44ac909a32dfc7f2f9caffected
4.2affected
< 4.2unaffected
6.6.141≤ 6.6.*unaffected
… +4 more rows
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I. Basic Information for CVE-2026-46068

Vulnerability Information
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Vulnerability Title
crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx The bounce buffers are allocated with __get_free_pages() using BOUNCE_BUFFER_ORDER (order 2 = 4 pages), but both the allocation error path and nx842_crypto_free_ctx() release the buffers with free_page(). Use free_pages() with the matching order instead.
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crypto nx中nx842_crypto_alloc_ctx和nx842_crypto_free_ctx函数释放反弹缓冲区时使用错误阶数，可能导致内存泄漏。以下版本受到影响：修复版本之前版本。
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 ed70b479c2c0b6e1319f0cb2de19f1051be219a4 ~ f17a4850d1ce7c11cba8b1830b9bfedfede878bb -
LinuxLinux 4.2 -

II. Public POCs for CVE-2026-46068

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III. Intelligence Information for CVE-2026-46068

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Patches & Fixes for CVE-2026-46068 (5)

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-2026-458617.8 HIGHgfs2: Fix slab-use-after-free in qd_put
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
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-2026-46068

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