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CVE-2026-45986— crypto: ccree - fix a memory leak in cc_mac_digest()

AI Predicted 4.3 Difficulty: Trivial EPSS 0.03% · P10

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 7c21d58fcd6ad8e15a539347254093c93224a8b2affected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< f53458c7c756b3e0838d51cf1e9f41b25079801aaffected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 7cd17993adb8a5d14a7e84d751316a5fdf0c251faffected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 3061c9bfb3f5b3522ab174e2fa7473b24422d1c6affected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 22f1dd4ca3bfe77db52cc7df3cc353dc114aab8baffected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 910f335786a0a0f0b46c3c8c19a13d25cb4454b6affected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 502440c235fe34cee02b24d7f893841f7565b3bcaffected
63893811b0fcb52f6eaf9811cc08bddd46f81c3e< 02c64052fad03699b9c6d1df2f9b444d17e4ac50affected
… +10 more rows
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I. Basic Information for CVE-2026-45986

Vulnerability Information
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Vulnerability Title
crypto: ccree - fix a memory leak in cc_mac_digest()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in cc_mac_digest() Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak.
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ccree中cc_mac_digest函数在cc_map_hash_request_final失败时未调用cc_unmap_result，可能导致内存泄漏。
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 63893811b0fcb52f6eaf9811cc08bddd46f81c3e ~ 7c21d58fcd6ad8e15a539347254093c93224a8b2 -
LinuxLinux 4.17 -

II. Public POCs for CVE-2026-45986

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III. Intelligence Information for CVE-2026-45986

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Patches & Fixes for CVE-2026-45986 (7)

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

CVE-2026-460399.8 CRITICALrxgk: Fix potential integer overflow in length check
CVE-2026-458989.8 CRITICALRDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-459889.8 CRITICALrxrpc: Fix re-decryption of RESPONSE packets
CVE-2026-459729.8 CRITICALsmb: client: fix potential UAF and double free in smb2_open_file()
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-2026-458438.2 HIGHslip: bound decode() reads against the compressed packet length
CVE-2026-460378.2 HIGHipv4: icmp: validate reply type before using icmp_pointers
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-2026-458947.8 HIGHiommu/vt-d: Clear Present bit before tearing down PASID entry
CVE-2026-459597.8 HIGHcrypto: ccp - Fix a crash due to incorrect cleanup usage of kfree
CVE-2026-460117.8 HIGHmedia: mtk-jpeg: fix use-after-free in release path due to uncancelled work
CVE-2026-460157.8 HIGHtcp: call sk_data_ready() after listener migration
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
CVE-2026-460587.8 HIGHmedia: amphion: Fix race between m2m job_abort and device_run
CVE-2026-458617.8 HIGHgfs2: Fix slab-use-after-free in qd_put
CVE-2026-460537.8 HIGHnet: rds: fix MR cleanup on copy error

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-2026-45986

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