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Vulnerabilities

Vulnerability · CVE-2022-49801

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18

Published May 1, 2025 · catalog updated May 23, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2022-49801. EPSS is 0.20%. 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.
Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Version ranges on file
Affected products
vendor Linux Linux efbbdaa22bb78761bff8dfdde027ad04bedd47ce <a7d3f8f33c113478737bc61bb32ec5f9a987da7d

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......&...B.X. 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [ ] __kmalloc_node_track_caller+0x4a/0x140 [ ] krealloc+0x8d/0xf0 [ ] trace_iter_expand_format+0x99/0x150 [ ] trace_check_vprintf+0x1e0/0x11d0 [ ] trace_event_printf+0xb6

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 efbbdaa22bb78761bff8dfdde027ad04bedd47ce <a7d3f8f33c113478737bc61bb32ec5f9a987da7defbbdaa22bb78761bff8dfdde027ad04bedd47ce <a7d3f8f33c113478737bc61bb32ec5f9a987da7d

How to fix CVE-2022-49801

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-2022-49801. EPSS is 0.20%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux efbbdaa22bb78761bff8dfdde027ad04bedd47ce <a7d3f8f33c113478737bc61bb32ec5f9a987da7d efbbdaa22bb78761bff8dfdde027ad04bedd47ce <a7d3f8f33c113478737bc61bb32ec5f9a987da7d. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. 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.

  1. May 1, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......&...B.X. 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 0

  2. May 23, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......&...B.X. 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 0

Sources

  • CVE.orgVulnerability recordCVE-2022-49801

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-49801

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-12972

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak in tracing_read_pipe() kmemleak reports this issue: unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.