Vulnerability · CVE-2022-47520
An issue was discovered in the Linux kernel before 6.0.11.
Published Dec 18, 2022 · catalog updated Oct 14, 2026 · linux kernel
Check if you run it
No confirmed exploitation is on record for CVE-2022-47520. EPSS is 0.32%. Act only if a listed version of linux kernel is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.32%
- Remediation
- Advisory link
- Affected products
- cpe debian/debian linux · cpe linux/linux kernel · cpe netapp/h300s firmware · cpe netapp/h410c firmware · cpe netapp/h410s firmware · cpe netapp/h500s firmware
An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.
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.
- cpe debian/debian linux10.0
- cpe linux/linux kernelversion unspecified
- cpe netapp/h300s firmwareversion unspecified
- cpe netapp/h410c firmwareversion unspecified
- cpe netapp/h410s firmwareversion unspecified
- cpe netapp/h500s firmwareversion unspecified
- cpe netapp/h700s firmwareversion unspecified
How to fix CVE-2022-47520
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
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-2022-47520. EPSS is 0.32%. Act only if a listed version of linux kernel is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 10.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 0.32%. 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 18, 2022 · NIST NVD
Detected
An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.
Oct 14, 2026 · NIST NVD
Updated
An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet.
Sources
- CVE.orgVulnerability recordCVE-2022-47520
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-47520
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2022-47520
An issue was discovered in the Linux kernel before 6.0.11. Missing offset validation in drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.