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CVE-2026-46030— EDAC/versalnet: Fix device_node leak in mc_probe()

AI Predicted 3.7 Difficulty: Easy EPSS 0.02% · P6

Possible ATT&CK Techniques 1AI

T1562

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinuxd5fe2fec6c40dda03df8cc9b4a97de0b7e39f984< b6e61356ad24987be40bf25369d22dd8dd00a513affected
d5fe2fec6c40dda03df8cc9b4a97de0b7e39f984< 17e136993b2b5111d1ee1c57bbd188ae0bb0e128affected
d5fe2fec6c40dda03df8cc9b4a97de0b7e39f984< 5c709b376460ff322580c41600e31c02f7cc0307affected
6.18affected
< 6.18unaffected
6.18.27≤ 6.18.*unaffected
7.0.4≤ 7.0.*unaffected
7.1-rc1≤ *unaffected
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I. Basic Information for CVE-2026-46030

Vulnerability Information
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Vulnerability Title
EDAC/versalnet: Fix device_node leak in mc_probe()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: EDAC/versalnet: Fix device_node leak in mc_probe() of_parse_phandle() returns a device_node reference that must be released with of_node_put(). The original code never freed r5_core_node on any exit path, causing a memory leak. Fix this by using the automatic cleanup attribute __free(device_node) which ensures of_node_put() is called when the variable goes out of scope.
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versalnet EDAC驱动mc_probe函数中未释放of_parse_phandle返回的设备节点引用，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 d5fe2fec6c40dda03df8cc9b4a97de0b7e39f984 ~ b6e61356ad24987be40bf25369d22dd8dd00a513 -
LinuxLinux 6.18 -

II. Public POCs for CVE-2026-46030

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III. Intelligence Information for CVE-2026-46030

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Patches & Fixes for CVE-2026-46030 (3)

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

CVE-2026-459729.8 CRITICALsmb: client: fix potential UAF and double free in smb2_open_file()
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-2026-460399.8 CRITICALrxgk: Fix potential integer overflow in length check
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-2026-460378.2 HIGHipv4: icmp: validate reply type before using icmp_pointers
CVE-2026-458438.2 HIGHslip: bound decode() reads against the compressed packet length
CVE-2026-460998.1 HIGHnet: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
CVE-2026-460108.1 HIGHrxrpc: Fix error handling in rxgk_extract_token()
CVE-2026-460767.9 HIGHKVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
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-2026-459317.8 HIGHaccel/amdxdna: Hold mm structure across iommu_sva_unbind_device()
CVE-2026-460537.8 HIGHnet: rds: fix MR cleanup on copy error
CVE-2026-459297.8 HIGHovpn: fix possible use-after-free in ovpn_net_xmit
CVE-2026-458527.8 HIGHRDMA/rxe: Fix double free in rxe_srq_from_init
CVE-2026-458787.8 HIGHdrm/amdkfd: Fix watch_id bounds checking in debug address watch v2
CVE-2026-460587.8 HIGHmedia: amphion: Fix race between m2m job_abort and device_run

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-2026-46030

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