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CVE

CVE-2020-12465

An array overflow was discovered in mt76_add_fragment in drivers/net/wireless/mediatek/mt76/dma.c in the Linux kernel be

An array overflow was discovered in mt76_add_fragment in drivers/net/wireless/mediatek/mt76/dma.c in the Linux kernel before 5.5.10, aka CID-b102f0c522cf. An oversized packet with too many rx fragments can corrupt memory of adjacent pages.

MEDIUM · CVSS 6.7 EPSS 0.00169
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

11
linux kernel>= 4.16 and < 4.19.111
linux kernel>= 4.20 and < 5.4.26
linux kernel>= 5.5 and < 5.5.10
netapp active iq unified managerall versions
netapp cloud backupall versions
netapp hci baseboard management controllerall versions
netapp solidfire \& hci management nodeall versions
netapp steelstore cloud integrated storageall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Apr 2020 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2020:4431Low
msrcCVE-2020-12465
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.10Release NotesVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b102f0c522cf668c8382c56a4f771b37d011cda2PatchVendor Advisory
https://github.com/torvalds/linux/commit/b102f0c522cf668c8382c56a4f771b37d011cda2PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0001/Third Party Advisory
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