Vulnerability · CVE-2023-54211
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix warning in trace_buffered_event_disable() Warning happened in trace_buffered_event_disable() at WAR
Published Dec 30, 2025 · catalog updated May 11, 2026 · Linux Linux
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2023-54211. EPSS is 0.21%. Act only if a listed version of Linux Linux is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-99164 · High
- CVE-2026-99158 · Unknown
- CVE-2026-99157 · Unknown
- CVE-2026-99154 · Critical
- CVE-2026-99123 · High
- Severity
- None0.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Version ranges on file
- Affected products
- vendor Linux Linux 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix warning in trace_buffered_event_disable() Warning happened in trace_buffered_event_disable() at WARN_ON_ONCE(!trace_buffered_event_ref) Call Trace: ? __warn+0xa5/0x1b0 ? trace_buffered_event_disable+0x189/0x1b0 __ftrace_event_enable_disable+0x19e/0x3e0 free_probe_data+0x3b/0xa0 unregister_ftrace_function_probe_func+0x6b8/0x800 event_enable_func+0x2f0/0x3d0 ftrace_process_regex.isra.0+0x12d/0x1b0 ftrace_filter_write+0xe6/0x140 vfs_write+0x1c9/0x6f0 [...] The cause of the warning is in __ftrace_event_enable_disable(
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Linux Linux 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b0740fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074
How to fix CVE-2023-54211
Upgrade
CVE-2023-54211 lists a fix boundary at a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074. Compare the installed build with that boundary before you change production.
Version check
Seen in 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-54211. EPSS is 0.21%. Act only if a listed version of Linux Linux is installed.
Which versions are affected?
Compare what you have installed with Linux Linux 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 <a6d2fd1703cdc8ecfc3e73987e0fb7474ae2b074. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Dec 30, 2025 · EUVD
Detected
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix warning in trace_buffered_event_disable() Warning happened in trace_buffered_event_disable() at WARN_ON_ONCE(!trace_buffered_event_ref) Call Trace: ? __warn+0xa5/0x1b0 ? trace_buffered_event_disable+0x189/0x1b0 __ftrace_event_enable_disable+0x19e/0x3e0 free_probe_data+0x3b/0xa0 unregister_ftrace_function_probe_func+0x
May 11, 2026 · EUVD
Updated
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix warning in trace_buffered_event_disable() Warning happened in trace_buffered_event_disable() at WARN_ON_ONCE(!trace_buffered_event_ref) Call Trace: ? __warn+0xa5/0x1b0 ? trace_buffered_event_disable+0x189/0x1b0 __ftrace_event_enable_disable+0x19e/0x3e0 free_probe_data+0x3b/0xa0 unregister_ftrace_function_probe_func+0x
Sources
- CVE.orgVulnerability recordCVE-2023-54211
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-54211
30-day exploitation probability 0.21%
first.org - EUVDVulnerability recordEUVD-2023-60430
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix warning in trace_buffered_event_disable() Warning happened in trace_buffered_event_disable() at WARN_ON_ONCE(!trace_buffered_event_ref) Call Trace: ? __warn+0xa5/0x1b0 ? trace_buffered_event_disable+
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 1, 2026
- CVE.orgOct 29, 2026
- EUVDOct 29, 2026