CVE-2022-50755: Software Security Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-4xw5-xvv7-qcv6
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CVSS 7.8
Published
Advisory Summary

CVE-2022-50755 is a HIGH (CVSS 7.8) security vulnerability vulnerability (General Security Weakness) affecting Software libraries in the Maven ecosystem. Remediation is available in the latest vendor maintenance releases.

CVE-2022-50755 at a Glance

CVE Identifier CVE-2022-50755
GHSA Identifier GHSA-4xw5-xvv7-qcv6
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-50755

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-2022-50755, 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: udf: Avoid double brelse() in udf_rename() syzbot reported a warning like below [1]: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 __brelse+0x67/0xa0 ... Call Trace: <TASK> invalidate_bh_lru+0x99/0x150 smp_call_function_many_cond+0xe2a/0x10c0 ? generic_remap_file_range_prep+0x50/0x50 ? __brelse+0xa0/0xa0 ? __mutex_lock+0x21c/0x12d0 ? smp_call_on_cpu+0x250/0x250 ? rcu_read_lock_sched_held+0xb/0x60 ? lock_release+0x587/0x810 ? __brelse+0xa0/0xa0 ? generic_remap_file_range_prep+0x50/0x50 on_each_cpu_cond_mask+0x3c/0x80 blkdev_flush_mapping+0x13a/0x2f0 blkdev_put_whole+0xd3/0xf0 blkdev_put+0x222/0x760 deactivate_locked_super+0x96/0x160 deactivate_super+0xda/0x100 cleanup_mnt+0x222/0x3d0 task_work_run+0x149/0x240 ? task_work_cancel+0x30/0x30 do_exit+0xb29/0x2a40 ? reacquire_held_locks+0x4a0/0x4a0 ? do_raw_spin_lock+0x12a/0x2b0 ? mm_update_next_owner+0x7c0/0x7c0 ? rwlock_bug.part.0+0x90/0x90 ? zap_other_threads+0x234/0x2d0 do_group_exit+0xd0/0x2a0 __x64_sys_exit_group+0x3a/0x50 do_syscall_64+0x34/0xb0 entry_SYSCALL_64_after_hwframe+0x63/0xcd The cause of the issue is that brelse() is called on both ofibh.sbh and ofibh.ebh by udf_find_entry() when it returns NULL. However, brelse() is called by udf_rename(), too. So, b_count on buffer_head becomes unbalanced. This patch fixes the issue by not calling brelse() by udf_rename() when udf_find_entry() returns NULL.

References

NVD — CVE-2022-50755 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-50755
git.kernel.org/stable/c/090bf49833... WEB
https://git.kernel.org/stable/c/090bf49833c51da297ec74f98ad2bf44daea9311
git.kernel.org/stable/c/156d440dea... WEB
https://git.kernel.org/stable/c/156d440dea97deada629bb51cb17887abd862605
git.kernel.org/stable/c/40dba68d41... WEB
https://git.kernel.org/stable/c/40dba68d418237b1ae2beaa06d46a94dd946278e
git.kernel.org/stable/c/4fca090455... WEB
https://git.kernel.org/stable/c/4fca09045509f5bde8fc28e68fbca38cb4bdcf2e
git.kernel.org/stable/c/78eba2778a... WEB
https://git.kernel.org/stable/c/78eba2778ae10fb2a9d450e14d26eb6f6bf1f906
git.kernel.org/stable/c/9d2cad6954... WEB
https://git.kernel.org/stable/c/9d2cad69547abea961fa80426d600b861de1952b
git.kernel.org/stable/c/c791730f25... WEB
https://git.kernel.org/stable/c/c791730f2554a9ebb8f18df9368dc27d4ebc38c2
git.kernel.org/stable/c/d6da7ec0f9... WEB
https://git.kernel.org/stable/c/d6da7ec0f94f5208c848e0e94b70f54a0bd9c587
git.kernel.org/stable/c/e7a6a53c87... WEB
https://git.kernel.org/stable/c/e7a6a53c871460727be09f4414ccb29fb8697526

Frequently Asked Questions

What is CVE-2022-50755?
CVE-2022-50755 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-2022-50755?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2022-50755?
CVE-2022-50755 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-50755?
CVE-2022-50755 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2022-50755?
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-4xw5-xvv7-qcv6",
  "modified" : "2026-08-04T12:34:43Z",
  "published" : "2025-12-24T15:30:34Z",
  "aliases" : [ "CVE-2022-50755" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nudf: Avoid double brelse() in udf_rename()\n\nsyzbot reported a warning like below [1]:\n\nVFS: brelse: Trying to free free buffer\nWARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 __brelse+0x67/0xa0\n...\nCall Trace:\n <TASK>\n invalidate_bh_lru+0x99/0x150\n smp_call_function_many_cond+0xe2a/0x10c0\n ? generic_remap_file_range_prep+0x50/0x50\n ? __brelse+0xa0/0xa0\n ? __mutex_lock+0x21c/0x12d0\n ? smp_call_on_cpu+0x250/0x250\n ? rcu_read_lock_sched_held+0xb/0x60\n ? lock_release+0x587/0x810\n ? __brelse+0xa0/0xa0\n ? generic_remap_file_range_prep+0x50/0x50\n on_each_cpu_cond_mask+0x3c/0x80\n blkdev_flush_mapping+0x13a/0x2f0\n blkdev_put_whole+0xd3/0xf0\n blkdev_put+0x222/0x760\n deactivate_locked_super+0x96/0x160\n deactivate_super+0xda/0x100\n cleanup_mnt+0x222/0x3d0\n task_work_run+0x149/0x240\n ? task_work_cancel+0x30/0x30\n do_exit+0xb29/0x2a40\n ? reacquire_held_locks+0x4a0/0x4a0\n ? do_raw_spin_lock+0x12a/0x2b0\n ? mm_update_next_owner+0x7c0/0x7c0\n ? rwlock_bug.part.0+0x90/0x90\n ? zap_other_threads+0x234/0x2d0\n do_group_exit+0xd0/0x2a0\n __x64_sys_exit_group+0x3a/0x50\n do_syscall_64+0x34/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe cause of the issue is that brelse() is called on both ofibh.sbh\nand ofibh.ebh by udf_find_entry() when it returns NULL.  However,\nbrelse() is called by udf_rename(), too.  So, b_count on buffer_head\nbecomes unbalanced.\n\nThis patch fixes the issue by not calling brelse() by udf_rename()\nwhen udf_find_entry() returns NULL.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-50755"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/090bf49833c51da297ec74f98ad2bf44daea9311"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/156d440dea97deada629bb51cb17887abd862605"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/40dba68d418237b1ae2beaa06d46a94dd946278e"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/4fca09045509f5bde8fc28e68fbca38cb4bdcf2e"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/78eba2778ae10fb2a9d450e14d26eb6f6bf1f906"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/9d2cad69547abea961fa80426d600b861de1952b"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/c791730f2554a9ebb8f18df9368dc27d4ebc38c2"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/d6da7ec0f94f5208c848e0e94b70f54a0bd9c587"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/e7a6a53c871460727be09f4414ccb29fb8697526"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2025-12-24T13:16:02Z"
  }
}