Is CVE-2019-19318 in the CISA KEV catalog?

No. CVE-2019-19318 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19318?

CVE-2019-19318 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2019-19318?

CVE-2019-19318 has an EPSS score of 0.65% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19318?

Upgrade linux on debian 11 to 5.4.6-1 or later. Fixes are available for 54 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19318

MEDIUM

4.4

CVSS v3

NVD

Description

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,

CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:5.4.6-1CVE-2019-19318

linuxUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-awsUbuntu

Fixed in:4.15.0-1077.81USN-4414-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1074.78~16.04.1USN-4414-1

linux-azureUbuntu

Fixed in:4.15.0-1091.101~14.04.1USN-4414-1

Fixed in:4.15.0-1091.101~16.04.1USN-4414-1

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-gcpUbuntu

Fixed in:4.15.0-1078.88~16.04.1USN-4414-1

linux-gcp-4.15Ubuntu

Fixed in:4.15.0-1078.88USN-4414-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1064.67USN-4414-1

linux-hweUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-1046-oracleUbuntu

Fixed in:4.15.0-1046.50~16.04.1USN-4414-1

linux-image-4.15.0-1048-oracleUbuntu

Fixed in:4.15.0-1048.52USN-4414-1

linux-image-4.15.0-1064-gkeUbuntu

Fixed in:4.15.0-1064.67USN-4414-1

linux-image-4.15.0-1065-raspi2Ubuntu

Fixed in:4.15.0-1065.69USN-4414-1

linux-image-4.15.0-1069-kvmUbuntu

Fixed in:4.15.0-1069.70USN-4414-1

linux-image-4.15.0-107-genericUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-107-generic-lpaeUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-107-lowlatencyUbuntu

Fixed in:4.15.0-107.108~16.04.1USN-4414-1

linux-image-4.15.0-1074-awsUbuntu

Fixed in:4.15.0-1074.78~16.04.1USN-4414-1

linux-image-4.15.0-1077-awsUbuntu

Fixed in:4.15.0-1077.81USN-4414-1

linux-image-4.15.0-1078-gcpUbuntu

Fixed in:4.15.0-1078.88~16.04.1USN-4414-1

Fixed in:4.15.0-1078.88USN-4414-1

linux-image-4.15.0-1081-snapdragonUbuntu

Fixed in:4.15.0-1081.88USN-4414-1

linux-image-4.15.0-109-genericUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-109-generic-lpaeUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-109-lowlatencyUbuntu

Fixed in:4.15.0-109.110USN-4414-1

linux-image-4.15.0-1091-azureUbuntu

Fixed in:4.15.0-1091.101~14.04.1USN-4414-1

Fixed in:4.15.0-1091.101~16.04.1USN-4414-1

Fixed in:4.15.0-1091.101USN-4414-1

linux-image-4.15.0-1091-oemUbuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1074.74USN-4414-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1077.79USN-4414-1

linux-image-azureUbuntu

Fixed in:4.15.0.1091.68USN-4414-1

Fixed in:4.15.0.1091.86USN-4414-1

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1091.62USN-4414-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1078.80USN-4414-1

linux-image-gcp-lts-18.04Ubuntu

Fixed in:4.15.0.1078.94USN-4414-1

linux-image-genericUbuntu

Fixed in:4.15.0.109.97USN-4414-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-image-generic-lpaeUbuntu

Fixed in:4.15.0.109.97USN-4414-1

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

Fixed in:4.15.0.107.112USN-4414-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1078.80USN-4414-1

Fixed in:4.15.0.1064.66USN-4414-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1064.66USN-4414-1

linux-image-kvmUbuntu

Fixed in:4.15.0.1069.65USN-4414-1

linux-image-lowlatencyUbuntu

Fixed in:4.15.0.109.97USN-4414-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-image-oemUbuntu

Fixed in:4.15.0.107.112USN-4414-1

Fixed in:4.15.0.1091.94USN-4414-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1046.39USN-4414-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1048.57USN-4414-1

linux-image-raspi2Ubuntu

Fixed in:4.15.0.1065.63USN-4414-1

linux-image-snapdragonUbuntu

Fixed in:4.15.0.1081.84USN-4414-1

linux-image-virtualUbuntu

Fixed in:4.15.0.109.97USN-4414-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.107.112USN-4414-1

linux-kvmUbuntu

Fixed in:4.15.0-1069.70USN-4414-1

linux-oemUbuntu

Fixed in:4.15.0-1091.101USN-4414-1

linux-oracleUbuntu

Fixed in:4.15.0-1046.50~16.04.1USN-4414-1

Fixed in:4.15.0-1048.52USN-4414-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1065.69USN-4414-1

linux-snapdragonUbuntu

Fixed in:4.15.0-1081.88USN-4414-1

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 ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.65%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory4

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	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.