Is CVE-2020-11884 in the CISA KEV catalog?

No. CVE-2020-11884 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11884?

CVE-2020-11884 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2020-11884?

CVE-2020-11884 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11884?

Upgrade linux on debian 11 to 5.6.7-1 or later. Fixes are available for 70 affected products.

CVE & CISA-KEV Catalog

CVE-2020-11884

HIGH

7.0

CVSS v3

NVD

Description

In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.

CWE-362Race Condition

How to fix

Remediation Available

linuxDebian

Fixed in:5.6.7-1CVE-2020-11884

linuxUbuntu

Fixed in:4.15.0-99.100USN-4345-1

Fixed in:5.4.0-28.32USN-4343-1

linux-awsUbuntu

Fixed in:4.15.0-1066.70USN-4345-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1066.70~16.04.1USN-4345-1

linux-azureUbuntu

Fixed in:4.15.0-1082.92~16.04.1USN-4345-1

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1020.21~18.04.1USN-4342-1

linux-gcpUbuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1058.61USN-4345-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-hweUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-4.15.0-1038-oracleUbuntu

Fixed in:4.15.0-1038.42~16.04.1USN-4345-1

Fixed in:4.15.0-1038.42USN-4345-1

linux-image-4.15.0-1058-gkeUbuntu

Fixed in:4.15.0-1058.61USN-4345-1

linux-image-4.15.0-1059-kvmUbuntu

Fixed in:4.15.0-1059.60USN-4345-1

linux-image-4.15.0-1061-gcpUbuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-image-4.15.0-1061-raspi2Ubuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-image-4.15.0-1066-awsUbuntu

Fixed in:4.15.0-1066.70~16.04.1USN-4345-1

Fixed in:4.15.0-1066.70USN-4345-1

linux-image-4.15.0-1077-snapdragonUbuntu

Fixed in:4.15.0-1077.84USN-4345-1

linux-image-4.15.0-1080-oemUbuntu

Fixed in:4.15.0-1080.90USN-4345-1

linux-image-4.15.0-1082-azureUbuntu

Fixed in:4.15.0-1082.92~16.04.1USN-4345-1

linux-image-4.15.0-99-genericUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-4.15.0-99-generic-lpaeUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-4.15.0-99-lowlatencyUbuntu

Fixed in:4.15.0-99.100~16.04.1USN-4345-1

Fixed in:4.15.0-99.100USN-4345-1

linux-image-5.3.0-1016-oracleUbuntu

Fixed in:5.3.0-1016.18~18.04.1USN-4342-1

linux-image-5.3.0-1018-gcpUbuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-image-5.3.0-1018-gkeUbuntu

Fixed in:5.3.0-1018.19~18.04.1USN-4342-1

linux-image-5.3.0-1020-azureUbuntu

Fixed in:5.3.0-1020.21~18.04.1USN-4342-1

linux-image-5.3.0-1023-raspi2Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4342-1

linux-image-5.3.0-51-genericUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-5.3.0-51-generic-lpaeUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-5.3.0-51-lowlatencyUbuntu

Fixed in:5.3.0-51.44~18.04.2USN-4342-1

linux-image-5.4.0-28-genericUbuntu

Fixed in:5.4.0-28.32USN-4343-1

linux-image-5.4.0-28-generic-lpaeUbuntu

Fixed in:5.4.0-28.32USN-4343-1

linux-image-5.4.0-28-lowlatencyUbuntu

Fixed in:5.4.0-28.32USN-4343-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1066.66USN-4345-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1066.69USN-4345-1

linux-image-azureUbuntu

Fixed in:4.15.0.1082.81USN-4345-1

Fixed in:5.3.0.1020.20USN-4342-1

linux-image-azure-edgeUbuntu

Fixed in:4.15.0.1082.81USN-4345-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1061.75USN-4345-1

Fixed in:5.3.0.1018.17USN-4342-1

linux-image-genericUbuntu

Fixed in:4.15.0.99.89USN-4345-1

Fixed in:5.4.0.28.33USN-4343-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-generic-lpaeUbuntu

Fixed in:4.15.0.99.89USN-4345-1

Fixed in:5.4.0.28.33USN-4343-1

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

Fixed in:4.15.0.99.106USN-4345-1

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

Fixed in:5.3.0.51.104USN-4342-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1061.75USN-4345-1

Fixed in:4.15.0.1058.62USN-4345-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1058.62USN-4345-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1018.8USN-4342-1

linux-image-kvmUbuntu

Fixed in:4.15.0.1059.59USN-4345-1

linux-image-lowlatencyUbuntu

Fixed in:4.15.0.99.89USN-4345-1

Fixed in:5.4.0.28.33USN-4343-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-oemUbuntu

Fixed in:4.15.0.99.106USN-4345-1

Fixed in:4.15.0.1080.84USN-4345-1

Fixed in:5.4.0.28.33USN-4343-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.28.33USN-4343-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1038.31USN-4345-1

Fixed in:5.3.0.1016.17USN-4342-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1038.47USN-4345-1

linux-image-raspi2Ubuntu

Fixed in:4.15.0.1061.59USN-4345-1

linux-image-raspi2-hwe-18.04Ubuntu

Fixed in:5.3.0.1023.12USN-4342-1

linux-image-snapdragonUbuntu

Fixed in:4.15.0.1077.80USN-4345-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-image-virtualUbuntu

Fixed in:4.15.0.99.89USN-4345-1

Fixed in:5.4.0.28.33USN-4343-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.99.106USN-4345-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.51.104USN-4342-1

linux-kvmUbuntu

Fixed in:4.15.0-1059.60USN-4345-1

linux-oemUbuntu

Fixed in:4.15.0-1080.90USN-4345-1

linux-oracleUbuntu

Fixed in:4.15.0-1038.42~16.04.1USN-4345-1

Fixed in:4.15.0-1038.42USN-4345-1

linux-oracle-5.3Ubuntu

Fixed in:5.3.0-1016.18~18.04.1USN-4342-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1061.65USN-4345-1

linux-raspi2-5.3Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4342-1

linux-snapdragonUbuntu

Fixed in:4.15.0-1077.84USN-4345-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Patch2

Third-Party Advisory5

Other references3

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	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.