CVE-2025-68257: Software Security Vulnerability Vulnerability

UNKNOWN

Advisory Identifier: GHSA-q3m2-j43g-7966

Published 2025-12-16

Advisory Summary

CVE-2025-68257 is a security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2025-68257 at a Glance

CVE Identifier CVE-2025-68257

GHSA Identifier GHSA-q3m2-j43g-7966

Severity N/A

CVSS v3.1 Base Score N/A

CWE Classification General Security Weakness

Affected Product Software

Package Ecosystem Maven

Published Date 2025-12-16

Last Updated 2026-01-19

How to Fix CVE-2025-68257

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2025-68257, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

In the Linux kernel, the following vulnerability has been resolved: comedi: check device's attached status in compat ioctls Syzbot identified an issue [1] that crashes kernel, seemingly due to unexistent callback dev->get_valid_routes(). By all means, this should not occur as said callback must always be set to get_zero_valid_routes() in __comedi_device_postconfig(). As the crash seems to appear exclusively in i386 kernels, at least, judging from [1] reports, the blame lies with compat versions of standard IOCTL handlers. Several of them are modified and do not use comedi_unlocked_ioctl(). While functionality of these ioctls essentially copy their original versions, they do not have required sanity check for device's attached status. This, in turn, leads to a possibility of calling select IOCTLs on a device that has not been properly setup, even via COMEDI_DEVCONFIG. Doing so on unconfigured devices means that several crucial steps are missed, for instance, specifying dev->get_valid_routes() callback. Fix this somewhat crudely by ensuring device's attached status before performing any ioctls, improving logic consistency between modern and compat functions. [1] Syzbot report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... CR2: ffffffffffffffd6 CR3: 000000006c717000 CR4: 0000000000352ef0 Call Trace: <TASK> get_valid_routes drivers/comedi/comedi_fops.c:1322 [inline] parse_insn+0x78c/0x1970 drivers/comedi/comedi_fops.c:1401 do_insnlist_ioctl+0x272/0x700 drivers/comedi/comedi_fops.c:1594 compat_insnlist drivers/comedi/comedi_fops.c:3208 [inline] comedi_compat_ioctl+0x810/0x990 drivers/comedi/comedi_fops.c:3273 __do_compat_sys_ioctl fs/ioctl.c:695 [inline] __se_compat_sys_ioctl fs/ioctl.c:638 [inline] __ia32_compat_sys_ioctl+0x242/0x370 fs/ioctl.c:638 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] ...

References

NVD — CVE-2025-68257 NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-68257

git.kernel.org/stable/c/0de7d9cd07... WEB

https://git.kernel.org/stable/c/0de7d9cd07a2671fa6089173bccc0b2afe6b93ee

git.kernel.org/stable/c/4836ba483a... WEB

https://git.kernel.org/stable/c/4836ba483a22ebd076c8faaf8293a7295fad4142

git.kernel.org/stable/c/573b07d2e3... WEB

https://git.kernel.org/stable/c/573b07d2e3d473ee7eb625ef87519922cf01168d

git.kernel.org/stable/c/7141915bf0... WEB

https://git.kernel.org/stable/c/7141915bf0c41cb57d83cdbaf695b8c731b16b71

git.kernel.org/stable/c/aac80e912d... WEB

https://git.kernel.org/stable/c/aac80e912de306815297a3b74f0426873ffa7dc3

git.kernel.org/stable/c/b975f91de5... WEB

https://git.kernel.org/stable/c/b975f91de5f8f63cf490f0393775cc795f8b0557

git.kernel.org/stable/c/f13895c036... WEB

https://git.kernel.org/stable/c/f13895c03620933a58907e3250016f087e39b78c

git.kernel.org/stable/c/f6e629dfe6... WEB

https://git.kernel.org/stable/c/f6e629dfe6f590091c662a87c9fcf118b1c1c7dc

Frequently Asked Questions

What is CVE-2025-68257?

CVE-2025-68257 is a security vulnerability in Software classified as a security vulnerability vulnerability under General Security Weakness.

Which Software versions are affected?

Affected versions include releases prior to current release patches.

What version fixes CVE-2025-68257?

Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.

What CWE is associated with CVE-2025-68257?

CVE-2025-68257 is classified under General Security Weakness.

How can I check Maven dependencies for CVE-2025-68257?

Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.

Machine-readable OSV JSON OSV v1.5 Schema

Normalized schema output

View Raw JSON

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-q3m2-j43g-7966",
  "modified" : "2026-01-19T15:30:33Z",
  "published" : "2025-12-16T15:30:47Z",
  "aliases" : [ "CVE-2025-68257" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: check device's attached status in compat ioctls\n\nSyzbot identified an issue [1] that crashes kernel, seemingly due to\nunexistent callback dev->get_valid_routes(). By all means, this should\nnot occur as said callback must always be set to\nget_zero_valid_routes() in __comedi_device_postconfig().\n\nAs the crash seems to appear exclusively in i386 kernels, at least,\njudging from [1] reports, the blame lies with compat versions\nof standard IOCTL handlers. Several of them are modified and\ndo not use comedi_unlocked_ioctl(). While functionality of these\nioctls essentially copy their original versions, they do not\nhave required sanity check for device's attached status. This,\nin turn, leads to a possibility of calling select IOCTLs on a\ndevice that has not been properly setup, even via COMEDI_DEVCONFIG.\n\nDoing so on unconfigured devices means that several crucial steps\nare missed, for instance, specifying dev->get_valid_routes()\ncallback.\n\nFix this somewhat crudely by ensuring device's attached status before\nperforming any ioctls, improving logic consistency between modern\nand compat functions.\n\n[1] Syzbot report:\nBUG: kernel NULL pointer dereference, address: 0000000000000000\n...\nCR2: ffffffffffffffd6 CR3: 000000006c717000 CR4: 0000000000352ef0\nCall Trace:\n <TASK>\n get_valid_routes drivers/comedi/comedi_fops.c:1322 [inline]\n parse_insn+0x78c/0x1970 drivers/comedi/comedi_fops.c:1401\n do_insnlist_ioctl+0x272/0x700 drivers/comedi/comedi_fops.c:1594\n compat_insnlist drivers/comedi/comedi_fops.c:3208 [inline]\n comedi_compat_ioctl+0x810/0x990 drivers/comedi/comedi_fops.c:3273\n __do_compat_sys_ioctl fs/ioctl.c:695 [inline]\n __se_compat_sys_ioctl fs/ioctl.c:638 [inline]\n __ia32_compat_sys_ioctl+0x242/0x370 fs/ioctl.c:638\n do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]\n...",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-68257"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/0de7d9cd07a2671fa6089173bccc0b2afe6b93ee"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/4836ba483a22ebd076c8faaf8293a7295fad4142"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/573b07d2e3d473ee7eb625ef87519922cf01168d"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/7141915bf0c41cb57d83cdbaf695b8c731b16b71"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/aac80e912de306815297a3b74f0426873ffa7dc3"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/b975f91de5f8f63cf490f0393775cc795f8b0557"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f13895c03620933a58907e3250016f087e39b78c"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/f6e629dfe6f590091c662a87c9fcf118b1c1c7dc"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2025-12-16T15:15:55Z"
  }
}

Advisory Metadata

Source ID: GHSA-q3m2-j43g-7966
Schema Version: 1.4.0
Published: 2025-12-16 15:30
Last Modified: 2026-01-19 15:30
Database Record File: advisories/unreviewed/2025/12/GHSA-q3m2-j43g-7966/GHSA-q3m2-j43g-7966.json