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CVE-2026-68460

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadlock in f2fs_balance_fs() When the f2fs filesystem space is nearly exhausted, we encounter deadlock iss…

Published Aug 15, 2026EPSS 0.22%

Overview

CVE-2026-68460 is a known-severity vulnerability. It was published on August 15, 2026.

Technical description

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

f2fs: fix potential deadlock in f2fs_balance_fs()

When the f2fs filesystem space is nearly exhausted, we encounter deadlock

issues as below:

INFO: task A:1890 blocked for more than 120 seconds.

Tainted: G O 6.12.41-g3fe07ddf05ab #1

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

task:A state:D stack:0 pid:1890 tgid:1626 ppid:1153 flags:0x00000204

Call trace:

__switch_to+0xf4/0x158

__schedule+0x27c/0x908

schedule+0x3c/0x118

io_schedule+0x44/0x68

folio_wait_bit_common+0x174/0x370

folio_wait_bit+0x20/0x38

folio_wait_writeback+0x54/0xc8

truncate_inode_partial_folio+0x70/0x1e0

truncate_inode_pages_range+0x1b0/0x450

truncate_pagecache+0x54/0x88

f2fs_file_write_iter+0x3e8/0xb80

do_iter_readv_writev+0xf0/0x1e0

vfs_writev+0x138/0x2c8

do_writev+0x88/0x130

__arm64_sys_writev+0x28/0x40

invoke_syscall+0x50/0x120

el0_svc_common.constprop.0+0xc8/0xf0

do_e

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2026-68460?

CVE-2026-68460 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-68460?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-68460?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-68460?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-68460 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.