Is CVE-2020-25284 in the CISA KEV catalog?

No. CVE-2020-25284 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-25284?

CVE-2020-25284 has a CVSS v3 base score of 4.1 (MEDIUM).

What is the EPSS score for CVE-2020-25284?

CVE-2020-25284 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-25284?

Upgrade linux on debian 11 to 5.8.10-1 or later. Fixes are available for 107 affected products.

CVE & CISA-KEV Catalog

CVE-2020-25284

MEDIUM

4.1

CVSS v3

NVD

Description

The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.

CWE-863Incorrect Authorization

How to fix

Remediation Available

linuxDebian

Fixed in:5.8.10-1CVE-2020-25284

linuxUbuntu

Fixed in:4.4.0-197.229USN-4657-1

Fixed in:4.15.0-126.129USN-4660-1

Fixed in:5.4.0-56.62USN-4658-1

linux-awsUbuntu

Fixed in:4.4.0-1082.86USN-4657-1

Fixed in:4.4.0-1118.132USN-4657-1

Fixed in:4.15.0-1088.93USN-4660-1

Fixed in:5.4.0-1030.31USN-4658-1

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1030.31~18.04.1USN-4658-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1088.93~16.04.1USN-4660-1

linux-azureUbuntu

Fixed in:4.15.0-1100.111~14.04.1USN-4660-1

Fixed in:4.15.0-1100.111~16.04.1USN-4660-1

Fixed in:5.4.0-1032.33USN-4658-1

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1100.111USN-4660-1

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1032.33~18.04.1USN-4658-1

linux-gcpUbuntu

Fixed in:4.15.0-1088.101~16.04.1USN-4660-1

Fixed in:5.4.0-1030.32USN-4658-1

linux-gcp-4.15Ubuntu

Fixed in:4.15.0-1088.101USN-4660-1

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1030.32~18.04.1USN-4658-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1074.79USN-4660-1

linux-hweUbuntu

Fixed in:4.15.0-126.129~16.04.1USN-4660-1

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-56.62~18.04.1USN-4658-1

linux-image-4.15.0-1059-oracleUbuntu

Fixed in:4.15.0-1059.65~16.04.1USN-4660-1

Fixed in:4.15.0-1059.65USN-4660-1

linux-image-4.15.0-1074-gkeUbuntu

Fixed in:4.15.0-1074.79USN-4660-1

linux-image-4.15.0-1074-raspi2Ubuntu

Fixed in:4.15.0-1074.79USN-4660-1

linux-image-4.15.0-1079-kvmUbuntu

Fixed in:4.15.0-1079.81USN-4660-1

linux-image-4.15.0-1088-awsUbuntu

Fixed in:4.15.0-1088.93~16.04.1USN-4660-1

Fixed in:4.15.0-1088.93USN-4660-1

linux-image-4.15.0-1088-gcpUbuntu

Fixed in:4.15.0-1088.101~16.04.1USN-4660-1

Fixed in:4.15.0-1088.101USN-4660-1

linux-image-4.15.0-1091-snapdragonUbuntu

Fixed in:4.15.0-1091.100USN-4660-1

linux-image-4.15.0-1100-azureUbuntu

Fixed in:4.15.0-1100.111~14.04.1USN-4660-1

Fixed in:4.15.0-1100.111~16.04.1USN-4660-1

Fixed in:4.15.0-1100.111USN-4660-1

linux-image-4.15.0-1103-oemUbuntu

Fixed in:4.15.0-1103.114USN-4660-1

linux-image-4.15.0-126-genericUbuntu

Fixed in:4.15.0-126.129~16.04.1USN-4660-1

Fixed in:4.15.0-126.129USN-4660-1

linux-image-4.15.0-126-generic-lpaeUbuntu

Fixed in:4.15.0-126.129~16.04.1USN-4660-1

Fixed in:4.15.0-126.129USN-4660-1

linux-image-4.15.0-126-lowlatencyUbuntu

Fixed in:4.15.0-126.129~16.04.1USN-4660-1

Fixed in:4.15.0-126.129USN-4660-1

linux-image-4.4.0-1082-awsUbuntu

Fixed in:4.4.0-1082.86USN-4657-1

linux-image-4.4.0-1084-kvmUbuntu

Fixed in:4.4.0-1084.93USN-4657-1

linux-image-4.4.0-1118-awsUbuntu

Fixed in:4.4.0-1118.132USN-4657-1

linux-image-4.4.0-1142-raspi2Ubuntu

Fixed in:4.4.0-1142.152USN-4657-1

linux-image-4.4.0-1146-snapdragonUbuntu

Fixed in:4.4.0-1146.156USN-4657-1

linux-image-4.4.0-197-genericUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-generic-lpaeUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-lowlatencyUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-powerpc-e500mcUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-powerpc-smpUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-powerpc64-embUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-4.4.0-197-powerpc64-smpUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

Fixed in:4.4.0-197.229USN-4657-1

linux-image-5.4.0-1023-raspiUbuntu

Fixed in:5.4.0-1023.26~18.04.1USN-4658-1

Fixed in:5.4.0-1023.26USN-4658-1

linux-image-5.4.0-1028-kvmUbuntu

Fixed in:5.4.0-1028.29USN-4658-1

linux-image-5.4.0-1030-awsUbuntu

Fixed in:5.4.0-1030.31~18.04.1USN-4658-1

Fixed in:5.4.0-1030.31USN-4658-1

linux-image-5.4.0-1030-gcpUbuntu

Fixed in:5.4.0-1030.32~18.04.1USN-4658-1

Fixed in:5.4.0-1030.32USN-4658-1

linux-image-5.4.0-1030-oracleUbuntu

Fixed in:5.4.0-1030.32~18.04.1USN-4658-1

Fixed in:5.4.0-1030.32USN-4658-1

linux-image-5.4.0-1032-azureUbuntu

Fixed in:5.4.0-1032.33~18.04.1USN-4658-1

Fixed in:5.4.0-1032.33USN-4658-1

linux-image-5.4.0-56-genericUbuntu

Fixed in:5.4.0-56.62~18.04.1USN-4658-1

Fixed in:5.4.0-56.62USN-4658-1

linux-image-5.4.0-56-generic-lpaeUbuntu

Fixed in:5.4.0-56.62~18.04.1USN-4658-1

Fixed in:5.4.0-56.62USN-4658-1

linux-image-5.4.0-56-lowlatencyUbuntu

Fixed in:5.4.0-56.62~18.04.1USN-4658-1

Fixed in:5.4.0-56.62USN-4658-1

linux-image-5.6.0-1048-oemUbuntu

Fixed in:5.6.0-1048.52USN-4752-1

linux-image-awsUbuntu

Fixed in:4.4.0.1082.79USN-4657-1

Fixed in:4.4.0.1118.123USN-4657-1

Fixed in:5.4.0.1030.15USN-4658-1

Fixed in:5.4.0.1030.31USN-4658-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1088.82USN-4660-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1088.90USN-4660-1

linux-image-azureUbuntu

Fixed in:4.15.0.1100.75USN-4660-1

Fixed in:4.15.0.1100.93USN-4660-1

Fixed in:5.4.0.1032.14USN-4658-1

Fixed in:5.4.0.1032.30USN-4658-1

linux-image-azure-edgeUbuntu

Fixed in:4.15.0.1100.93USN-4660-1

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1100.73USN-4660-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1088.89USN-4660-1

Fixed in:5.4.0.1030.18USN-4658-1

Fixed in:5.4.0.1030.38USN-4658-1

linux-image-gcp-lts-18.04Ubuntu

Fixed in:4.15.0.1088.106USN-4660-1

linux-image-genericUbuntu

Fixed in:4.4.0.197.203USN-4657-1

Fixed in:4.15.0.126.113USN-4660-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.126.125USN-4660-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.4.0.56.59USN-4658-1

linux-image-generic-lpaeUbuntu

Fixed in:4.4.0.197.203USN-4657-1

Fixed in:4.15.0.126.113USN-4660-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-generic-lpae-hwe-16.04Ubuntu

Fixed in:4.15.0.126.125USN-4660-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.4.0.56.59USN-4658-1

linux-image-generic-lpae-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-generic-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1088.89USN-4660-1

Fixed in:4.15.0.1074.78USN-4660-1

Fixed in:5.4.0.1030.38USN-4658-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1074.78USN-4660-1

linux-image-kvmUbuntu

Fixed in:4.4.0.1084.82USN-4657-1

Fixed in:4.15.0.1079.75USN-4660-1

Fixed in:5.4.0.1028.26USN-4658-1

linux-image-lowlatencyUbuntu

Fixed in:4.4.0.197.203USN-4657-1

Fixed in:4.15.0.126.113USN-4660-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.126.125USN-4660-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.4.0.56.59USN-4658-1

linux-image-lowlatency-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-oemUbuntu

Fixed in:4.15.0.126.125USN-4660-1

Fixed in:4.15.0.1103.107USN-4660-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-oem-20.04Ubuntu

Fixed in:5.6.0.1048.44USN-4752-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1059.48USN-4660-1

Fixed in:5.4.0.1030.14USN-4658-1

Fixed in:5.4.0.1030.27USN-4658-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1059.69USN-4660-1

linux-image-powerpc-e500mcUbuntu

Fixed in:4.4.0.197.203USN-4657-1

linux-image-powerpc-e500mc-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-powerpc-smpUbuntu

Fixed in:4.4.0.197.203USN-4657-1

linux-image-powerpc-smp-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-powerpc64-embUbuntu

Fixed in:4.4.0.197.203USN-4657-1

linux-image-powerpc64-emb-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-powerpc64-smpUbuntu

Fixed in:4.4.0.197.203USN-4657-1

linux-image-powerpc64-smp-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1023.58USN-4658-1

linux-image-raspi-hwe-18.04Ubuntu

Fixed in:5.4.0.1023.27USN-4658-1

linux-image-raspi2Ubuntu

Fixed in:4.4.0.1142.142USN-4657-1

Fixed in:4.15.0.1074.71USN-4660-1

Fixed in:5.4.0.1023.58USN-4658-1

linux-image-snapdragonUbuntu

Fixed in:4.4.0.1146.138USN-4657-1

Fixed in:4.15.0.1091.94USN-4660-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

linux-image-virtualUbuntu

Fixed in:4.4.0.197.203USN-4657-1

Fixed in:4.15.0.126.113USN-4660-1

Fixed in:5.4.0.56.59USN-4658-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.126.125USN-4660-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.56.62~18.04.50USN-4658-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.4.0.56.59USN-4658-1

linux-image-virtual-lts-xenialUbuntu

Fixed in:4.4.0.197.172USN-4657-1

linux-kvmUbuntu

Fixed in:4.4.0-1084.93USN-4657-1

Fixed in:4.15.0-1079.81USN-4660-1

Fixed in:5.4.0-1028.29USN-4658-1

linux-lts-xenialUbuntu

Fixed in:4.4.0-197.229~14.04.1USN-4657-1

linux-oemUbuntu

Fixed in:4.15.0-1103.114USN-4660-1

linux-oem-5.6Ubuntu

Fixed in:5.6.0-1048.52USN-4752-1

linux-oracleUbuntu

Fixed in:4.15.0-1059.65~16.04.1USN-4660-1

Fixed in:4.15.0-1059.65USN-4660-1

Fixed in:5.4.0-1030.32USN-4658-1

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1030.32~18.04.1USN-4658-1

linux-raspiUbuntu

Fixed in:5.4.0-1023.26USN-4658-1

linux-raspi-5.4Ubuntu

Fixed in:5.4.0-1023.26~18.04.1USN-4658-1

linux-raspi2Ubuntu

Fixed in:4.4.0-1142.152USN-4657-1

Fixed in:4.15.0-1074.79USN-4660-1

linux-snapdragonUbuntu

Fixed in:4.4.0-1146.156USN-4657-1

Fixed in:4.15.0-1091.100USN-4660-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Patch1

git.kernel.org

Third-Party Advisory6

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.