CVE-2021-47220: Software Security Vulnerability Vulnerability

UNKNOWN
Advisory Identifier: GHSA-cm8p-x6g5-jp9g
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Advisory Summary

CVE-2021-47220 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-2021-47220 at a Glance

CVE Identifier CVE-2021-47220
GHSA Identifier GHSA-cm8p-x6g5-jp9g
Severity N/A
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2021-47220

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-2021-47220, 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: usb: dwc3: core: fix kernel panic when do reboot When do system reboot, it calls dwc3_shutdown and the whole debugfs for dwc3 has removed first, when the gadget tries to do deinit, and remove debugfs for its endpoints, it meets NULL pointer dereference issue when call debugfs_lookup. Fix it by removing the whole dwc3 debugfs later than dwc3_drd_exit. [ 2924.958838] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000002 .... [ 2925.030994] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--) [ 2925.037005] pc : inode_permission+0x2c/0x198 [ 2925.041281] lr : lookup_one_len_common+0xb0/0xf8 [ 2925.045903] sp : ffff80001276ba70 [ 2925.049218] x29: ffff80001276ba70 x28: ffff0000c01f0000 x27: 0000000000000000 [ 2925.056364] x26: ffff800011791e70 x25: 0000000000000008 x24: dead000000000100 [ 2925.063510] x23: dead000000000122 x22: 0000000000000000 x21: 0000000000000001 [ 2925.070652] x20: ffff8000122c6188 x19: 0000000000000000 x18: 0000000000000000 [ 2925.077797] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000004 [ 2925.084943] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000030 [ 2925.092087] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f x9 : ffff8000102b2420 [ 2925.099232] x8 : 7f7f7f7f7f7f7f7f x7 : feff73746e2f6f64 x6 : 0000000000008080 [ 2925.106378] x5 : 61c8864680b583eb x4 : 209e6ec2d263dbb7 x3 : 000074756f307065 [ 2925.113523] x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff8000122c6188 [ 2925.120671] Call trace: [ 2925.123119] inode_permission+0x2c/0x198 [ 2925.127042] lookup_one_len_common+0xb0/0xf8 [ 2925.131315] lookup_one_len_unlocked+0x34/0xb0 [ 2925.135764] lookup_positive_unlocked+0x14/0x50 [ 2925.140296] debugfs_lookup+0x68/0xa0 [ 2925.143964] dwc3_gadget_free_endpoints+0x84/0xb0 [ 2925.148675] dwc3_gadget_exit+0x28/0x78 [ 2925.152518] dwc3_drd_exit+0x100/0x1f8 [ 2925.156267] dwc3_remove+0x11c/0x120 [ 2925.159851] dwc3_shutdown+0x14/0x20 [ 2925.163432] platform_shutdown+0x28/0x38 [ 2925.167360] device_shutdown+0x15c/0x378 [ 2925.171291] kernel_restart_prepare+0x3c/0x48 [ 2925.175650] kernel_restart+0x1c/0x68 [ 2925.179316] __do_sys_reboot+0x218/0x240 [ 2925.183247] __arm64_sys_reboot+0x28/0x30 [ 2925.187262] invoke_syscall+0x48/0x100 [ 2925.191017] el0_svc_common.constprop.0+0x48/0xc8 [ 2925.195726] do_el0_svc+0x28/0x88 [ 2925.199045] el0_svc+0x20/0x30 [ 2925.202104] el0_sync_handler+0xa8/0xb0 [ 2925.205942] el0_sync+0x148/0x180 [ 2925.209270] Code: a9025bf5 2a0203f5 121f0056 370802b5 (79400660) [ 2925.215372] ---[ end trace 124254d8e485a58b ]--- [ 2925.220012] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 2925.227676] Kernel Offset: disabled [ 2925.231164] CPU features: 0x00001001,20000846 [ 2925.235521] Memory Limit: none [ 2925.238580] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- (cherry picked from commit 2a042767814bd0edf2619f06fecd374e266ea068)

References

NVD — CVE-2021-47220 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-47220
git.kernel.org/stable/c/174c27583b... WEB
https://git.kernel.org/stable/c/174c27583b3807ac96228c442735b02622d8d1c3
git.kernel.org/stable/c/4bf584a03e... WEB
https://git.kernel.org/stable/c/4bf584a03eec674975ee9fe36c8583d9d470dab1
git.kernel.org/stable/c/58b5e02c6c... WEB
https://git.kernel.org/stable/c/58b5e02c6ca0e2b7c87cd8023ff786ef3c0eef74
git.kernel.org/stable/c/7f9745ab34... WEB
https://git.kernel.org/stable/c/7f9745ab342bcce5efd5d4d2297d0a3dd9db0eac
git.kernel.org/stable/c/fa8c413e6b... WEB
https://git.kernel.org/stable/c/fa8c413e6b74ae5d12daf911c73238c5bdacd8e6
git.kernel.org/stable/c/fd7c4bd582... WEB
https://git.kernel.org/stable/c/fd7c4bd582494934be15d41aebe0dbe23790605f
git.kernel.org/stable/c/ff4c63f3e8... WEB
https://git.kernel.org/stable/c/ff4c63f3e8cb7af2ce51cc56b031e08fd23c758b

Frequently Asked Questions

What is CVE-2021-47220?
CVE-2021-47220 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-2021-47220?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What CWE is associated with CVE-2021-47220?
CVE-2021-47220 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2021-47220?
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-cm8p-x6g5-jp9g",
  "modified" : "2024-05-21T15:31:39Z",
  "published" : "2024-05-21T15:31:39Z",
  "aliases" : [ "CVE-2021-47220" ],
  "details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: core: fix kernel panic when do reboot\n\nWhen do system reboot, it calls dwc3_shutdown and the whole debugfs\nfor dwc3 has removed first, when the gadget tries to do deinit, and\nremove debugfs for its endpoints, it meets NULL pointer dereference\nissue when call debugfs_lookup. Fix it by removing the whole dwc3\ndebugfs later than dwc3_drd_exit.\n\n[ 2924.958838] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000002\n....\n[ 2925.030994] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)\n[ 2925.037005] pc : inode_permission+0x2c/0x198\n[ 2925.041281] lr : lookup_one_len_common+0xb0/0xf8\n[ 2925.045903] sp : ffff80001276ba70\n[ 2925.049218] x29: ffff80001276ba70 x28: ffff0000c01f0000 x27: 0000000000000000\n[ 2925.056364] x26: ffff800011791e70 x25: 0000000000000008 x24: dead000000000100\n[ 2925.063510] x23: dead000000000122 x22: 0000000000000000 x21: 0000000000000001\n[ 2925.070652] x20: ffff8000122c6188 x19: 0000000000000000 x18: 0000000000000000\n[ 2925.077797] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000004\n[ 2925.084943] x14: ffffffffffffffff x13: 0000000000000000 x12: 0000000000000030\n[ 2925.092087] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f x9 : ffff8000102b2420\n[ 2925.099232] x8 : 7f7f7f7f7f7f7f7f x7 : feff73746e2f6f64 x6 : 0000000000008080\n[ 2925.106378] x5 : 61c8864680b583eb x4 : 209e6ec2d263dbb7 x3 : 000074756f307065\n[ 2925.113523] x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff8000122c6188\n[ 2925.120671] Call trace:\n[ 2925.123119]  inode_permission+0x2c/0x198\n[ 2925.127042]  lookup_one_len_common+0xb0/0xf8\n[ 2925.131315]  lookup_one_len_unlocked+0x34/0xb0\n[ 2925.135764]  lookup_positive_unlocked+0x14/0x50\n[ 2925.140296]  debugfs_lookup+0x68/0xa0\n[ 2925.143964]  dwc3_gadget_free_endpoints+0x84/0xb0\n[ 2925.148675]  dwc3_gadget_exit+0x28/0x78\n[ 2925.152518]  dwc3_drd_exit+0x100/0x1f8\n[ 2925.156267]  dwc3_remove+0x11c/0x120\n[ 2925.159851]  dwc3_shutdown+0x14/0x20\n[ 2925.163432]  platform_shutdown+0x28/0x38\n[ 2925.167360]  device_shutdown+0x15c/0x378\n[ 2925.171291]  kernel_restart_prepare+0x3c/0x48\n[ 2925.175650]  kernel_restart+0x1c/0x68\n[ 2925.179316]  __do_sys_reboot+0x218/0x240\n[ 2925.183247]  __arm64_sys_reboot+0x28/0x30\n[ 2925.187262]  invoke_syscall+0x48/0x100\n[ 2925.191017]  el0_svc_common.constprop.0+0x48/0xc8\n[ 2925.195726]  do_el0_svc+0x28/0x88\n[ 2925.199045]  el0_svc+0x20/0x30\n[ 2925.202104]  el0_sync_handler+0xa8/0xb0\n[ 2925.205942]  el0_sync+0x148/0x180\n[ 2925.209270] Code: a9025bf5 2a0203f5 121f0056 370802b5 (79400660)\n[ 2925.215372] ---[ end trace 124254d8e485a58b ]---\n[ 2925.220012] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\n[ 2925.227676] Kernel Offset: disabled\n[ 2925.231164] CPU features: 0x00001001,20000846\n[ 2925.235521] Memory Limit: none\n[ 2925.238580] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---\n\n(cherry picked from commit 2a042767814bd0edf2619f06fecd374e266ea068)",
  "severity" : [ ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-47220"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/174c27583b3807ac96228c442735b02622d8d1c3"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/4bf584a03eec674975ee9fe36c8583d9d470dab1"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/58b5e02c6ca0e2b7c87cd8023ff786ef3c0eef74"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/7f9745ab342bcce5efd5d4d2297d0a3dd9db0eac"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fa8c413e6b74ae5d12daf911c73238c5bdacd8e6"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/fd7c4bd582494934be15d41aebe0dbe23790605f"
  }, {
    "type" : "WEB",
    "url" : "https://git.kernel.org/stable/c/ff4c63f3e8cb7af2ce51cc56b031e08fd23c758b"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : null,
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2024-05-21T15:15:11Z"
  }
}