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CVE-2022-47518

HIGH
7.8
CVSS Score
Published: December 18, 2022 at 12:00 AM UTC
Updated: October 14, 2026 at 07:16 PM UTC
7 products affected across 3 vendorsLinux KernelDebian LinuxH700S Firmware· also runs on 5 platforms

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

An issue was discovered in the Linux kernel before 6.0.11. Missing validation of the number of channels in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when copying the list of operating channels from Wi-Fi management frames.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.0
Linux Kernel· Linux
95%
4.2 ≤ v < 5.10.1575.11 ≤ v < 5.15.815.16 ≤ v < 6.0.11
Affected range stops below 5.10.157, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.81, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.11, so it looks safe — our inference, not a vendor statement
H300S Firmware· NetAppdrupal
95%
All versions
netapp-h300s (same device)
H410C Firmware· NetAppdrupal
95%
All versions
netapp-h410c (same device)
H410S Firmware· NetAppdrupal
95%
All versions
netapp-h410s (same device)
H500S Firmware· NetAppdrupal
95%
All versions
netapp-h500s (same device)
H700S Firmware· NetAppdrupal
95%
All versions
netapp-h700s (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

PatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/0cdfa9e6f0915e3d243e2393bfa8a22e12d553b0
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
Source: [email protected]
https://lore.kernel.org/r/20221123153543.8568-5-philipturnbull%40github.com
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230113-0007/
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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