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Vulnerabilities

Vulnerability · CVE-2022-49859

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to

Published May 1, 2025 · catalog updated May 11, 2026 · Linux Linux

Check this week

CVE-2022-49859 is not in CISA KEV. FIRST estimates a 21.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

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
21.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 514e1150da9cd8d7978d990a353636cf1a7a87c2 <ed4940050a7ce7fc2ccd51db580ef1ade64290b1

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time. The stack info is as follows: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T1135

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 514e1150da9cd8d7978d990a353636cf1a7a87c2 <ed4940050a7ce7fc2ccd51db580ef1ade64290b1514e1150da9cd8d7978d990a353636cf1a7a87c2 <ed4940050a7ce7fc2ccd51db580ef1ade64290b1

How to fix CVE-2022-49859

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-49859 is not in CISA KEV. FIRST estimates a 21.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux 514e1150da9cd8d7978d990a353636cf1a7a87c2 <ed4940050a7ce7fc2ccd51db580ef1ade64290b1 514e1150da9cd8d7978d990a353636cf1a7a87c2 <ed4940050a7ce7fc2ccd51db580ef1ade64290b1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 21.00%. 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: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time. The stack info is as follows: [ 1958.311422][T11356] kernel BUG at

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time. The stack info is as follows: [ 1958.311422][T11356] kernel BUG at

Sources

  • CVE.orgVulnerability recordCVE-2022-49859

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12923

    In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.