CVE-2020-12465: linux linux_kernel Classic Buffer Overflow
CVSS: 7.2v2.0HighModified
AliasesUBUNTU-CVE-2020-12465DEBIAN-CVE-2020-12465
Published 29-04-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12465 is a high (CVSS 7.2) Classic Buffer Overflow vulnerability in linux linux_kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.7% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v2.0 (NVD)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 29-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.7Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 18-09-2026
18-09-202618-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu25 products
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.3< 5.3.0-1017.18~18.04.1
- linux-azureAll versions (No fix recorded)
- linux-azure-5.3< 5.3.0-1020.21~18.04.1
- linux-azure-edgeAll versions (No fix recorded)
Netapp8 products
- active_iq_unified_managerna
- aff_baseboard_management_controllera700s
- cloud_backupna
- hci_baseboard_management_controllerh300s | h410c | h410s | h500s | h610c | h610s | h615c | h700s
- hci_compute_nodena
Debian1 product
- linux< 5.5.13-1
Linux1 product
- linux_kernel≥ 4.16, < 4.19.111 | ≥ 4.20, < 5.4.26 | ≥ 5.5, < 5.5.10
4 vendors · 35 products
References
9 links- github.com/torvalds/linux/commit/b102f0c522cf668c8382c56a4f771b37d011cda2X Refsource MISCREPORTPatchThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.10X Refsource MISCREPORTRelease NotesVendor Advisory
