CVE-2026-64217

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Source
https://cve.org/CVERecord?id=CVE-2026-64217
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64217.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-64217
Downstream
Published
2026-07-24T15:23:05.261Z
Modified
2026-07-28T04:02:28.163817480Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
netfs: Fix overrun check in netfs_extract_user_iter()
Details

In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix overrun check in netfsextractuser_iter()

Fix netfsextractuseriter() so that if ioviterextractpages() overfills pages[], then those pages don't get included in the iterator constructed at the end of the function. If there was an overfill, memory corruption has already happened.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64217.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
85dd2c8ff368b1446be9febde84afe1d7aec4261
Fixed
00efe58bbdcc93272d579ca24bfc912563f4a204
Fixed
96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9
Fixed
afeb32d9bf9aaeea51d0f723a19f14afb73bd94d
Fixed
f48b9157f0f611fa436c360648603d5ded719b12
Fixed
0ef37eef83fad3542ee06db2940433ae1a92b39d

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64217.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.3.0
Fixed
6.6.142
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.92
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.34
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.0.11

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64217.json"