CVE-2026-64060
netfs: Fix leak of request in netfs_write_begin() error handling
Description
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfs_write_begin() error handling Fix netfs_write_begin() to not leak our ref on the request in the event that we get an error from netfs_wait_for_read().
INFO
Published Date :
July 19, 2026, 4:17 p.m.
Last Modified :
Sept. 2, 2026, 9:12 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest stable version.
- Apply the specific patch for netfs_write_begin.
- Recompile and deploy the kernel.
- Verify the fix is applied correctly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-64060.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64060 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-64060
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-64060 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64060 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Sep. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.11 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 6.18.34 Added Reference Type kernel.org: https://git.kernel.org/stable/c/22ae28aae43623be235ff455558cdd13fbe2daeb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5046a34f0643441f05b0253ea64e1a3af87efe14 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 19, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4090b31422a6f24dfe701e31ffec7ba5804a7e2f', 'lessThan': '22ae28aae43623be235ff455558cdd13fbe2daeb', 'versionType': 'git'}, {'status': 'affected', 'version': '4090b31422a6f24dfe701e31ffec7ba5804a7e2f', 'lessThan': '28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf', 'versionType': 'git'}, {'status': 'affected', 'version': '4090b31422a6f24dfe701e31ffec7ba5804a7e2f', 'lessThan': '5046a34f0643441f05b0253ea64e1a3af87efe14', 'versionType': 'git'}], 'programFiles': ['fs/netfs/buffered_read.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.18'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.18', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.34', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.11', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['fs/netfs/buffered_read.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfs_write_begin() error handling Fix netfs_write_begin() to not leak our ref on the request in the event that we get an error from netfs_wait_for_read(). Added Reference https://git.kernel.org/stable/c/22ae28aae43623be235ff455558cdd13fbe2daeb Added Reference https://git.kernel.org/stable/c/28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf Added Reference https://git.kernel.org/stable/c/5046a34f0643441f05b0253ea64e1a3af87efe14