Is CVE-2026-47336 in the CISA KEV catalog?

No. CVE-2026-47336 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-47336?

CVE-2026-47336 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2026-47336?

CVE-2026-47336 has an EPSS score of 0.09% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-47336?

Upgrade linux on ubuntu 24.04 to 6.8.0-124.124 or later. Fixes are available for 146 affected products.

CVE & CISA-KEV Catalog

CVE-2026-47336

LOW

3.3

CVSS v3

NVD

Description

Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.

CWE-457

How to fix

Remediation Available

linuxUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-awsUbuntu

Fixed in:6.8.0-1057.60USN-8373-1

linux-aws-6.8Ubuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

linux-aws-fipsUbuntu

Fixed in:6.8.0-1057.60+fips1USN-8373-1

linux-azureUbuntu

Fixed in:6.8.0-1058.64USN-8373-1

linux-azure-6.8Ubuntu

Fixed in:6.8.0-1059.65~22.04.1USN-8440-1

linux-azure-fipsUbuntu

Fixed in:6.8.0-1059.65+fips1USN-8393-1

linux-fipsUbuntu

Fixed in:6.8.0-124.124+fips1USN-8373-1

linux-gcpUbuntu

Fixed in:6.8.0-1060.63USN-8373-1

linux-gcp-6.8Ubuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

linux-gcp-fipsUbuntu

Fixed in:6.8.0-1060.63+fips1USN-8373-1

linux-gkeUbuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-gkeopUbuntu

Fixed in:6.8.0-1042.45USN-8373-1

linux-hwe-6.8Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-ibmUbuntu

Fixed in:6.8.0-1057.58USN-8373-1

linux-ibm-6.8Ubuntu

Fixed in:6.8.0-1057.58~22.04.1USN-8373-1

linux-image-6.8.0-1026-nvidia-tegraUbuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-6.8.0-1026-nvidia-tegra-rtUbuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-6.8.0-1032-xilinxUbuntu

Fixed in:6.8.0-1032.33USN-8499-1

linux-image-6.8.0-1042-gkeopUbuntu

Fixed in:6.8.0-1042.45USN-8373-1

linux-image-6.8.0-1054-oracleUbuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-6.8.0-1054-oracle-64kUbuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-6.8.0-1055-gkeUbuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-6.8.0-1055-gke-64kUbuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-6.8.0-1055-nvidiaUbuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-6.8.0-1055-nvidia-64kUbuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-6.8.0-1055-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-6.8.0-1055-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-6.8.0-1057-awsUbuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-6.8.0-1057-aws-64kUbuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-6.8.0-1057-aws-fipsUbuntu

Fixed in:6.8.0-1057.60+fips1USN-8373-1

linux-image-6.8.0-1057-ibmUbuntu

Fixed in:6.8.0-1057.58~22.04.1USN-8373-1

Fixed in:6.8.0-1057.58USN-8373-1

linux-image-6.8.0-1057-raspiUbuntu

Fixed in:6.8.0-1057.61USN-8373-1

linux-image-6.8.0-1058-azureUbuntu

Fixed in:6.8.0-1058.64USN-8373-1

linux-image-6.8.0-1059-azureUbuntu

Fixed in:6.8.0-1059.65~22.04.1USN-8440-1

linux-image-6.8.0-1059-azure-fipsUbuntu

Fixed in:6.8.0-1059.65+fips1USN-8393-1

linux-image-6.8.0-1060-gcpUbuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-6.8.0-1060-gcp-64kUbuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-6.8.0-1060-gcp-fipsUbuntu

Fixed in:6.8.0-1060.63+fips1USN-8373-1

linux-image-6.8.0-124-fipsUbuntu

Fixed in:6.8.0-124.124+fips1USN-8373-1

linux-image-6.8.0-124-genericUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

Fixed in:6.8.0-124.124USN-8373-1

linux-image-6.8.0-124-generic-64kUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

Fixed in:6.8.0-124.124USN-8373-1

linux-image-6.8.0-134-lowlatencyUbuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-6.8.0-134-lowlatency-64kUbuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-6.8.0-2046-raspi-realtimeUbuntu

Fixed in:6.8.0-2046.47USN-8373-1

linux-image-6.8.1-1052-realtimeUbuntu

Fixed in:6.8.1-1052.53~22.04.1USN-8373-1

Fixed in:6.8.1-1052.53USN-8373-1

linux-image-awsUbuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

linux-image-aws-6.8Ubuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-aws-64kUbuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

linux-image-aws-64k-6.8Ubuntu

Fixed in:6.8.0-1057.60~22.04.1USN-8373-1

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-aws-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-aws-fipsUbuntu

Fixed in:6.8.0-1057.60+fips1USN-8373-1

linux-image-aws-fips-6.8Ubuntu

Fixed in:6.8.0-1057.60+fips1USN-8373-1

linux-image-aws-lts-24.04Ubuntu

Fixed in:6.8.0-1057.60USN-8373-1

linux-image-azureUbuntu

Fixed in:6.8.0-1059.65~22.04.1USN-8440-1

linux-image-azure-6.8Ubuntu

Fixed in:6.8.0-1059.65~22.04.1USN-8440-1

Fixed in:6.8.0-1058.64USN-8373-1

linux-image-azure-fipsUbuntu

Fixed in:6.8.0-1059.65+fips1USN-8393-1

linux-image-azure-fips-6.8Ubuntu

Fixed in:6.8.0-1059.65+fips1USN-8393-1

linux-image-azure-lts-24.04Ubuntu

Fixed in:6.8.0-1058.64USN-8373-1

linux-image-fipsUbuntu

Fixed in:6.8.0-124.124+fips1USN-8373-1

linux-image-fips-6.8Ubuntu

Fixed in:6.8.0-124.124+fips1USN-8373-1

linux-image-gcpUbuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

linux-image-gcp-6.8Ubuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-gcp-64kUbuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

linux-image-gcp-64k-6.8Ubuntu

Fixed in:6.8.0-1060.63~22.04.1USN-8373-1

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-gcp-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-gcp-fipsUbuntu

Fixed in:6.8.0-1060.63+fips1USN-8373-1

linux-image-gcp-fips-6.8Ubuntu

Fixed in:6.8.0-1060.63+fips1USN-8373-1

linux-image-gcp-lts-24.04Ubuntu

Fixed in:6.8.0-1060.63USN-8373-1

linux-image-genericUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-generic-6.8Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

Fixed in:6.8.0-124.124USN-8373-1

linux-image-generic-64kUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-generic-64k-6.8Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

Fixed in:6.8.0-124.124USN-8373-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-generic-lpaeUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-gkeUbuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-gke-6.8Ubuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-gke-64kUbuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-gke-64k-6.8Ubuntu

Fixed in:6.8.0-1055.61USN-8373-1

linux-image-gkeopUbuntu

Fixed in:6.8.0-1042.45USN-8373-1

linux-image-gkeop-6.8Ubuntu

Fixed in:6.8.0-1042.45USN-8373-1

linux-image-ibmUbuntu

Fixed in:6.8.0-1057.58USN-8373-1

linux-image-ibm-6.8Ubuntu

Fixed in:6.8.0-1057.58~22.04.1USN-8373-1

Fixed in:6.8.0-1057.58USN-8373-1

linux-image-ibm-classicUbuntu

Fixed in:6.8.0-1057.58USN-8373-1

linux-image-ibm-lts-24.04Ubuntu

Fixed in:6.8.0-1057.58USN-8373-1

linux-image-intel-iot-realtimeUbuntu

Fixed in:6.8.1-1052.53USN-8373-1

linux-image-intel-iotgUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-kvmUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-lowlatencyUbuntu

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-lowlatency-6.8Ubuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-lowlatency-64kUbuntu

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-lowlatency-64k-6.8Ubuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

Fixed in:6.8.0-134.134.1USN-8497-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

linux-image-nvidiaUbuntu

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-nvidia-6.8Ubuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-nvidia-64kUbuntu

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-nvidia-64k-6.8Ubuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

Fixed in:6.8.0-1055.58USN-8373-1

linux-image-nvidia-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

linux-image-nvidia-hwe-22.04Ubuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

linux-image-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-nvidia-lowlatency-6.8Ubuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-nvidia-lowlatency-64k-6.8Ubuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-image-nvidia-tegraUbuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-nvidia-tegra-6.8Ubuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-nvidia-tegra-rtUbuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-nvidia-tegra-rt-6.8Ubuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-image-oem-22.04Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-oem-22.04aUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-oem-22.04bUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-oem-22.04cUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-oem-22.04dUbuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-oracleUbuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

linux-image-oracle-6.8Ubuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-oracle-64kUbuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

linux-image-oracle-64k-6.8Ubuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-oracle-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-oracle-lts-24.04Ubuntu

Fixed in:6.8.0-1054.55USN-8373-1

linux-image-raspiUbuntu

Fixed in:6.8.0-1057.61USN-8373-1

linux-image-raspi-6.8Ubuntu

Fixed in:6.8.0-1057.61USN-8373-1

linux-image-raspi-realtimeUbuntu

Fixed in:6.8.0-2046.47USN-8373-1

linux-image-raspi-realtime-6.8Ubuntu

Fixed in:6.8.0-2046.47USN-8373-1

linux-image-realtimeUbuntu

Fixed in:6.8.1-1052.53USN-8373-1

linux-image-realtime-6.8.1Ubuntu

Fixed in:6.8.1-1052.53~22.04.1USN-8373-1

Fixed in:6.8.1-1052.53USN-8373-1

linux-image-realtime-hwe-22.04Ubuntu

Fixed in:6.8.1-1052.53~22.04.1USN-8373-1

linux-image-virtualUbuntu

Fixed in:6.8.0-124.124USN-8373-1

linux-image-virtual-6.8Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

Fixed in:6.8.0-124.124USN-8373-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:6.8.0-124.124~22.04.1USN-8373-1

linux-image-xilinxUbuntu

Fixed in:6.8.0.1032.33USN-8499-1

linux-image-xilinx-6.8Ubuntu

Fixed in:6.8.0.1032.33USN-8499-1

linux-image-xilinx-zynqmpUbuntu

Fixed in:6.8.0.1032.33USN-8499-1

linux-lowlatencyUbuntu

Fixed in:6.8.0-134.134.1USN-8497-1

linux-lowlatency-hwe-6.8Ubuntu

Fixed in:6.8.0-134.134.1~22.04.1USN-8497-1

linux-nvidiaUbuntu

Fixed in:6.8.0-1055.58USN-8373-1

linux-nvidia-6.8Ubuntu

Fixed in:6.8.0-1055.58~22.04.1USN-8373-1

linux-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1055.58.1USN-8373-1

linux-nvidia-tegraUbuntu

Fixed in:6.8.0-1026.26USN-8373-1

linux-oracleUbuntu

Fixed in:6.8.0-1054.55USN-8373-1

linux-oracle-6.8Ubuntu

Fixed in:6.8.0-1054.55~22.04.1USN-8373-1

linux-raspiUbuntu

Fixed in:6.8.0-1057.61USN-8373-1

linux-raspi-realtimeUbuntu

Fixed in:6.8.0-2046.47USN-8373-1

linux-realtimeUbuntu

Fixed in:6.8.1-1052.53USN-8373-1

linux-realtime-6.8Ubuntu

Fixed in:6.8.1-1052.53~22.04.1USN-8373-1

linux-xilinxUbuntu

Fixed in:6.8.0-1032.33USN-8499-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.09%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Other references1

git.launchpad.net

Related Vulnerabilities

Other CWE-457 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2009-0901	High	8.8	42%	-	-
CVE-2021-40418	Critical	9.8	18%	-	-
CVE-2019-11038	Medium	5.3	4.3%	-	Fix
CVE-2021-31435	High	7.8	2.8%	-	-
CVE-2021-46570	High	7.8	2.0%	-	Fix

Embed a live status badge for CVE-2026-47336

Markdown

[![CVE-2026-47336](https://tridentstack.com/cve/badge/CVE-2026-47336.svg)](https://tridentstack.com/cve/CVE-2026-47336)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-47336"><img src="https://tridentstack.com/cve/badge/CVE-2026-47336.svg" alt="CVE-2026-47336"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-29.