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Noroxi
CVE-2020-0404· NVD / CVE Program· CNA google_android

In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause.

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.23% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: bpftool (AlmaLinux:8) 4.18.0-372.9.1.el8; kernel (AlmaLinux:8) 4.18.0-372.9.1.el8; kernel-abi-stablelists (AlmaLinux:8) 4.18.0-372.9.1.el8.
  • Mentioned 3 times in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to bpftool (AlmaLinux:8) 4.18.0-372.9.1.el8; kernel (AlmaLinux:8) 4.18.0-372.9.1.el8; kernel-abi-stablelists (AlmaLinux:8) 4.18.0-372.9.1.el8 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111893654References: Upstream kernel

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Sep 17, 2020
Updated
Jun 16, 2026
EPSS
0.2% · 13th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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  • when exploit code appears or is weaponized
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  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
googleandroid
oraclecommunications cloud native core binding support function
oraclecommunications cloud native core network exposure function
oraclecommunications cloud native core policy

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • google androidall versions
  • oracle communications cloud native core binding support function22.1.3
  • oracle communications cloud native core network exposure function22.1.1
  • oracle communications cloud native core policy22.2.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (google_android). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Android

    • Android kernelaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8bpftoolbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernelbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-abi-stablelistsbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-corebefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-cross-headersbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-debugbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-debug-corebefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-debug-develbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-debug-modulesbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-debug-modules-extrabefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-develbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-docbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-headersbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-modulesbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-modules-extrabefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-toolsbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-tools-libsbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8kernel-tools-libs-develbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8perfbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
AlmaLinux:8python3-perfbefore 4.18.0-372.9.1.el84.18.0-372.9.1.el8
Debian:12linuxbefore 5.4.19-15.4.19-1
openSUSE:Leap 15.1kernel-debugbefore 4.12.14-lp151.28.71.24.12.14-lp151.28.71.2
openSUSE:Leap 15.1kernel-defaultbefore 4.12.14-lp151.28.71.24.12.14-lp151.28.71.2
openSUSE:Leap 15.1kernel-docsbefore 4.12.14-lp151.28.71.14.12.14-lp151.28.71.1

+96

Same product

google: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-2215A use-after-free in binder.c allows an elevation of privilege from an application to the Linux Kernel.KEV
    83Now
  • CVE-2011-1823The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows KEV
    73This week
  • CVE-2015-1538Integer overflow in the SampleTable::setSampleToChunkParams function in SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I all
    70This week

Published before and after this one in the same product

  • ← EarlierCVE-2020-0399Sep 17, 2020 · In showLimitedSimFunctionWarningNotification of NotificationMgr.java, there is a possible permission bypass due to an unsafe PendingIntent.
    22Monitor
  • ← EarlierCVE-2020-0401Sep 17, 2020 · In setInstallerPackageName of PackageManagerService.java, there is a missing permission check.
    31Monitor
  • Later →CVE-2020-0407Sep 17, 2020 · In various functions in fscrypt_ice.c and related files in some implementations of f2fs encryption that use encryption hardware which only s
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:bpftool4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-abi-stablelists4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-core4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-cross-headers4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-debug4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-debug-core4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-debug-devel4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-debug-modules4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-debug-modules-extra4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-devel4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:kernel-doc4.18.0-372.9.1.el8 · AlmaLinux:8Package registry (OSV)
debian:linux5.4.19-1 · Debian:12Package registry (OSV)
opensuse:kernel-debug5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-default5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-default-base5.3.18-lp152.44.1.lp152.8.8.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-docs5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-kvmsmall5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-obs-build5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-obs-qa5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-preempt5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-rt5.3.18-lp152.3.5.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-source5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-syms5.3.18-lp152.44.1 · openSUSE:Leap 15.2Package registry (OSV)
opensuse:kernel-vanilla4.12.14-lp151.28.71.2 · openSUSE:Leap 15.1Package registry (OSV)
red hat:kernel-rt0:4.18.0-372.9.1.rt7.166.el8 · Red Hat:enterprise_linux:8::nfvPackage registry (OSV)
red hat:kernel-rt-core0:4.18.0-372.9.1.rt7.166.el8 · Red Hat:enterprise_linux:8::nfvPackage registry (OSV)
red hat:kernel-rt-debug0:4.18.0-372.9.1.rt7.166.el8 · Red Hat:enterprise_linux:8::nfvPackage registry (OSV)
red hat:kernel-rt-debug-core0:4.18.0-372.9.1.rt7.166.el8 · Red Hat:enterprise_linux:8::nfvPackage registry (OSV)
red hat:kernel-rt-debug-debuginfo0:4.18.0-372.9.1.rt7.166.el8 · Red Hat:enterprise_linux:8::nfvPackage registry (OSV)

+21

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-269 · Improper Privilege Management

CVSS vector

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

nvd-primary

Root cause

To simplify setup, a service account is granted broad, cluster-wide permissions. The principle of least privilege is skipped during installation.

The bug in code

The whole CWE-269 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

yaml
kind: ClusterRolerules:  - apiGroups: ["*"]    resources: ["*"]    verbs: ["*"]

Fixed

yaml
kind: Rolemetadata:  namespace: lodos-systemrules:  - apiGroups: ["apps"]    resources: ["deployments"]    verbs: ["get", "list", "update"]

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records