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CVE-2026-46003— net: qrtr: ns: Limit the total number of nodes

AI Predicted 5.3 Difficulty: Trivial EPSS 0.02% · P7

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinux0c2204a4ad710d95d348ea006f14ba926e842ffd< 4c46413661431aa60fb134cd4ecdf8beaa39f824affected
0c2204a4ad710d95d348ea006f14ba926e842ffd< 4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0affected
0c2204a4ad710d95d348ea006f14ba926e842ffd< 5cf6d5e5e3b804a44692fbf548a5179442e2e923affected
0c2204a4ad710d95d348ea006f14ba926e842ffd< 8022876894d09ae485b499058c3357da683bcc5daffected
0c2204a4ad710d95d348ea006f14ba926e842ffd< 27d5e84e810b0849d08b9aec68e48570461ce313affected
5.7affected
< 5.7unaffected
6.6.140≤ 6.6.*unaffected
… +4 more rows
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I. Basic Information for CVE-2026-46003

Vulnerability Information
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Vulnerability Title
net: qrtr: ns: Limit the total number of nodes
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the total number of nodes Currently, the nameserver doesn't limit the number of nodes it handles. This can be an attack vector if a malicious client starts registering random nodes, leading to memory exhaustion. Hence, limit the maximum number of nodes to 64. Note that, limit of 64 is chosen based on the current platform requirements. If requirement changes in the future, this limit can be increased.
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qrtr命名服务器未限制节点数量，可能导致恶意客户端注册随机节点导致内存耗尽。
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 0c2204a4ad710d95d348ea006f14ba926e842ffd ~ 4c46413661431aa60fb134cd4ecdf8beaa39f824 -
LinuxLinux 5.7 -

II. Public POCs for CVE-2026-46003

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III. Intelligence Information for CVE-2026-46003

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Patches & Fixes for CVE-2026-46003 (5)

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-2026-46003

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