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CVE-2026-46010— rxrpc: Fix error handling in rxgk_extract_token()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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rxgxk_extract_token()函数中缺少错误处理，当rxgxk_decrypt_skb()返回-ENOMEM时未正确返回。

CVSS 8.1 · High EPSS 0.55% · P45

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 64863f4ca4945bdb62ce2b30823f39ea9fe95415< 293095ef618818852bac5488c1bc223935e2ca17 affected
64863f4ca4945bdb62ce2b30823f39ea9fe95415< c52803e925604e2a17962ab0c99dce2d3f7238db affected
64863f4ca4945bdb62ce2b30823f39ea9fe95415< 3476c8bb960f48e49355d6f93fb7673211e0163f affected
8ac99c57029e13ebb5fb0d634925abedef32b53a affected
6.16.9< 6.17 affected
6.17 affected
< 6.17 unaffected
6.18.27≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-46010

Vulnerability Information
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Vulnerability Title
rxrpc: Fix error handling in rxgk_extract_token()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix error handling in rxgk_extract_token() Fix a missing bit of error handling in rxgk_extract_token(): in the event that rxgk_decrypt_skb() returns -ENOMEM, it should just return that rather than continuing on (for anything else, it generates an abort).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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rxgxk_extract_token()函数中缺少错误处理，当rxgxk_decrypt_skb()返回-ENOMEM时未正确返回。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 64863f4ca4945bdb62ce2b30823f39ea9fe95415 ~ 293095ef618818852bac5488c1bc223935e2ca17 -
Linux Linux 6.17 -

II. Public POCs for CVE-2026-46010

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III. Intelligence Information for CVE-2026-46010

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Patches & Fixes for CVE-2026-46010 (3)

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

CVE-2026-45972 9.8 CRITICAL smb: client: fix potential UAF and double free in smb2_open_file()
CVE-2026-45988 9.8 CRITICAL rxrpc: Fix re-decryption of RESPONSE packets
CVE-2026-46039 9.8 CRITICAL rxgk: Fix potential integer overflow in length check
CVE-2026-45898 9.8 CRITICAL RDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-46043 9.1 CRITICAL RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
CVE-2026-46056 8.8 HIGH Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
CVE-2026-45945 8.8 HIGH iommu/vt-d: Fix race condition during PASID entry replacement
CVE-2025-71311 8.2 HIGH fs/ntfs3: Initialize new folios before use
CVE-2026-45843 8.2 HIGH slip: bound decode() reads against the compressed packet length
CVE-2026-46037 8.2 HIGH ipv4: icmp: validate reply type before using icmp_pointers
CVE-2026-46099 8.1 HIGH net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
CVE-2026-46076 7.9 HIGH KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
CVE-2026-45909 7.8 HIGH clk: mediatek: Drop __initconst from gates
CVE-2026-45933 7.8 HIGH bpf: Preserve id of register in sync_linked_regs()
CVE-2026-46036 7.8 HIGH vfio/cdx: Serialize VFIO_DEVICE_SET_IRQS with a per-device mutex
CVE-2026-46062 7.8 HIGH ntfs3: fix integer overflow in run_unpack() volume boundary check
CVE-2026-46065 7.8 HIGH fbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info
CVE-2026-45878 7.8 HIGH drm/amdkfd: Fix watch_id bounds checking in debug address watch v2
CVE-2026-45894 7.8 HIGH iommu/vt-d: Clear Present bit before tearing down PASID entry
CVE-2026-46058 7.8 HIGH media: amphion: Fix race between m2m job_abort and device_run

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-2026-46010

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