5.5

CVE-2026-64060: netfs: Fix leak of request in netfs_write_begin() error handling

Modified
AliasesUBUNTU-CVE-2026-64060DEBIAN-CVE-2026-64060
Published 19-07-2026Last modified 21-10-2026

Vulnerability summary

CVE-2026-64060 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 13
OPENSUSE-SU-2026:22167-1SUSE-SU-2026:24386-1SUSE-SU-2026:24422-1SUSE-SU-2026:24437-1SUSE-SU-2026:24446-1USN-8593-1

Timeline

  1. 19-07-2026
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

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().

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu141 products
  • linuxAll versions (No fix recorded) | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 4090b31422a6f24dfe701e31ffec7ba5804a7e2f, < 9192f304379187b396d56d6a1a406712c6bfa5a3 | ≥ 4090b31422a6f24dfe701e31ffec7ba5804a7e2f, < 22ae28aae43623be235ff455558cdd13fbe2daeb | ≥ 4090b31422a6f24dfe701e31ffec7ba5804a7e2f, < 28686d6d8b60dc5bbae9ef6023ab2051d6c66cdf | ≥ 4090b31422a6f24dfe701e31ffec7ba5804a7e2f, < 5046a34f0643441f05b0253ea64e1a3af87efe14 | 5.18
  • linux_kernel≥ 5.18, < 6.18.34 | ≥ 6.19, < 7.0.11 | 7.1:rc1 | 7.1:rc2 | 7.1:rc3 | 7.1:rc4
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.115-2 | < 7.0.12-1

3 vendors · 144 products

References

16 links
Show all 16 references