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CVE-2026-45926— rust: pwm: Fix potential memory leak on init error

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.16% · P6

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux7b3dce814a15bc5d9fb6124cd945291012c4ebb9< baa8b7097d9cc68ff85819cf683972a58c2ce32baffected
7b3dce814a15bc5d9fb6124cd945291012c4ebb9< a2633dc243c35754a0c2270131d8a199c987c9bfaffected
6.19affected
< 6.19unaffected
6.19.4≤ 6.19.*unaffected
7.0≤ *unaffected
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I. Basic Information for CVE-2026-45926

Vulnerability Information
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Vulnerability Title
rust: pwm: Fix potential memory leak on init error
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: rust: pwm: Fix potential memory leak on init error When initializing a PWM chip using pwmchip_alloc(), the allocated device owns an initial reference that must be released on all error paths. If __pinned_init() were to fail, the allocated pwm_chip would currently leak because the error path returns without calling pwmchip_put().
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rust/pwm中PWM芯片初始化失败时未释放已分配的pwm_chip，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 7b3dce814a15bc5d9fb6124cd945291012c4ebb9 ~ baa8b7097d9cc68ff85819cf683972a58c2ce32b -
LinuxLinux 6.19 -

II. Public POCs for CVE-2026-45926

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III. Intelligence Information for CVE-2026-45926

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Patches & Fixes for CVE-2026-45926 (2)

Same Patch Batch · Linux · 2026-05-27 · 275 CVEs total

CVE-2026-458989.8 CRITICALRDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-460399.8 CRITICALrxgk: Fix potential integer overflow in length check
CVE-2026-459729.8 CRITICALsmb: client: fix potential UAF and double free in smb2_open_file()
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-2026-459458.8 HIGHiommu/vt-d: Fix race condition during PASID entry replacement
CVE-2026-460568.8 HIGHBluetooth: hci_event: fix potential UAF in SSP passkey handlers
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-2026-459597.8 HIGHcrypto: ccp - Fix a crash due to incorrect cleanup usage of kfree
CVE-2026-459567.8 HIGHdrm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()
CVE-2026-459097.8 HIGHclk: mediatek: Drop __initconst from gates
CVE-2026-460937.8 HIGHmm/vmalloc: take vmap_purge_lock in shrinker
CVE-2026-460537.8 HIGHnet: rds: fix MR cleanup on copy error
CVE-2026-459357.8 HIGHfs/ntfs3: Fix slab-out-of-bounds read in DeleteIndexEntryRoot
CVE-2026-458627.8 HIGHiommu/vt-d: Flush cache for PASID table before using it
CVE-2026-461007.8 HIGHfs: afs: revert mmap_prepare() change

Showing top 20 of 275 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-45926

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