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CVE-2026-63900— USB: serial: keyspan: fix missing indat transfer sanity check

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux0ca1268e109acf6d71507398cb95cab2e670b654< bd6c5fe59f374b63173afe5cf0ab38a9a370f2c1affected
0ca1268e109acf6d71507398cb95cab2e670b654< e124120e89b61a967e40dee6b5e1ecafc45c09d9affected
0ca1268e109acf6d71507398cb95cab2e670b654< 41d9673941eebdde62ee73848fcfe4ae1105c979affected
0ca1268e109acf6d71507398cb95cab2e670b654< 0bde5431037a076ff3750da2165fd77a6f5ff058affected
0ca1268e109acf6d71507398cb95cab2e670b654< 3759a40738b83bb61699c85f063202b514b94f77affected
0ca1268e109acf6d71507398cb95cab2e670b654< ea2b792330b44b6d7ce671c3e1d59d0c121f7ed1affected
0ca1268e109acf6d71507398cb95cab2e670b654< f7f566ad7519c7ca3bc9071350002940a2b0e22aaffected
0ca1268e109acf6d71507398cb95cab2e670b654< ab8336a7e414f018430aa1af3a46944032f7ff96affected
… +10 more rows
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I. Basic Information for CVE-2026-63900

Vulnerability Information
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Vulnerability Title
USB: serial: keyspan: fix missing indat transfer sanity check
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan: fix missing indat transfer sanity check Add the missing sanity check on the size of usa49wg indat transfers to avoid parsing stale or uninitialised slab data.
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基金会开源的一款操作系统内核。 Linux kernel 2.6.23版本存在安全漏洞，该漏洞源于缺少对USA49WG indat传输大小的验证，可能导致解析陈旧或未初始化的slab数据。
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 0ca1268e109acf6d71507398cb95cab2e670b654 ~ bd6c5fe59f374b63173afe5cf0ab38a9a370f2c1 -
LinuxLinux 2.6.23 -

II. Public POCs for CVE-2026-63900

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III. Intelligence Information for CVE-2026-63900

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Patches & Fixes for CVE-2026-63900 (8)

Same Patch Batch · Linux · 2026-07-19 · 431 CVEs total

CVE-2026-6379510.0 CRITICAL9p: avoid putting oldfid in p9_client_walk() error path
CVE-2026-638009.8 CRITICALpNFS: Fix use-after-free in pnfs_update_layout()
CVE-2026-640559.8 CRITICALnet: ethernet: cortina: Carry over frag counter
CVE-2026-640569.8 CRITICALnet: ethernet: cortina: Make RX SKB per-port
CVE-2026-640619.8 CRITICALnetfs: Fix early put of sink folio in netfs_read_gaps()
CVE-2026-640669.8 CRITICALnetfs: Fix netfs_read_to_pagecache() to pause on subreq failure
CVE-2026-640679.8 CRITICALnetfs: Fix missing barriers when accessing stream->subrequests locklessly
CVE-2026-640689.8 CRITICALnetfs: Fix missing locking around retry adding new subreqs
CVE-2026-640699.8 CRITICALnetfs: Fix cancellation of a DIO and single read subrequests
CVE-2026-638089.8 CRITICALexfat: fix potential use-after-free in exfat_find_dir_entry()
CVE-2026-640899.8 CRITICALbatman-adv: tt: fix negative last_changeset_len
CVE-2026-640919.8 CRITICALbatman-adv: tt: fix TOCTOU race for reported vlans
CVE-2026-533999.8 CRITICALnfsd: release layout stid on setlease failure
CVE-2026-641429.8 CRITICALksmbd: close durable scavenger races against m_fp_list lookups
CVE-2026-533989.8 CRITICALNFSD: Fix SECINFO_NO_NAME decode error cleanup
CVE-2026-641369.8 CRITICALsmb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked()
CVE-2026-641329.8 CRITICALipv6: ioam: refresh hdr pointer before ioam6_event()
CVE-2026-641229.8 CRITICALnet/mlx5e: Fix use-after-free in mlx5e_tx_reporter_timeout_recover
CVE-2026-641029.8 CRITICALRDMA/siw: Reject MPA FPDU length underflow before signed receive math
CVE-2026-641139.8 CRITICALixgbevf: fix use-after-free in VEPA multicast source pruning

Showing top 20 of 431 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-63900

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