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CVE-2026-46012— rxrpc: Fix memory leaks in rxkad_verify_response()

AI Predicted 5.3 Difficulty: Moderate EPSS 0.02% · P7

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638< c4b8f32e73eafd4a5076be890c7c8506ec04567caffected
ec832bd06d6fdf08b0455ab7c2a7a9104e029638< 852b9d64cea421336579b2de3d1338dfa677e2ddaffected
ec832bd06d6fdf08b0455ab7c2a7a9104e029638< 861b9a0a1823bf064a7b810d29502a9ef043f40faffected
ec832bd06d6fdf08b0455ab7c2a7a9104e029638< c91f33fb8356dedc82bc56ce210f1a5dbee62a52affected
ec832bd06d6fdf08b0455ab7c2a7a9104e029638< 34f61a07e0cdefaecd3ec03bb5fb22215643678faffected
5.11affected
< 5.11unaffected
6.6.140≤ 6.6.*unaffected
… +4 more rows
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I. Basic Information for CVE-2026-46012

Vulnerability Information
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Vulnerability Title
rxrpc: Fix memory leaks in rxkad_verify_response()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix memory leaks in rxkad_verify_response() Fix rxkad_verify_response() to free the ticket and the server key under all circumstances by initialising the ticket pointer to NULL and then making all paths through the function after the first allocation has been done go through a single common epilogue that just releases everything - where all the releases skip on a NULL pointer.
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rxkad_verify_response()函数中ticket和服务器密钥未在所有路径下释放，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 ec832bd06d6fdf08b0455ab7c2a7a9104e029638 ~ c4b8f32e73eafd4a5076be890c7c8506ec04567c -
LinuxLinux 5.11 -

II. Public POCs for CVE-2026-46012

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III. Intelligence Information for CVE-2026-46012

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Patches & Fixes for CVE-2026-46012 (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-2026-46012

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