Skip to content
Noroxi
NVD / CVE Program· CNA Linux

CVE-2019-25160: netlabel: fix out-of-bounds memory accesses

Noroxi assessment

Priority: Monitor (action score 28/100)

  • 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: 0.75% (FIRST EPSS); higher than 54.9% of all records.
  • 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: Linux Linux 1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000, 5578de4834fe0f2a34fedc7374be691443396d1f, 97bc3683c24999ee621d847c9348c75d2fe86272.
  • Severity is disputed: the assigning authority (CNA) scores it 9.1, NVD 7.1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000, 5578de4834fe0f2a34fedc7374be691443396d1f, 97bc3683c24999ee621d847c9348c75d2fe86272 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 the Linux kernel, the following vulnerability has been resolved: netlabel: fix out-of-bounds memory accesses There are two array out-of-bounds memory accesses, one in cipso_v4_map_lvl_valid(), the other in netlbl_bitmap_walk(). Both errors are embarassingly simple, and the fixes are straightforward. As a FYI for anyone backporting this patch to kernels prior to v4.8, you'll want to apply the netlbl_bitmap_walk() patch to cipso_v4_bitmap_walk() as netlbl_bitmap_walk() doesn't exist before Linux v4.8.

HighCVSS 7.1 · v3.1—No exploit Fix available
Published
Feb 26, 2024
Updated
Aug 5, 2026
EPSS
0.7% · 54th percentile

Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.1
CNA · Linux
9.1
2.0 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

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

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2019-25160

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

Your free account also gets you

Running WordPress? Scan your site free with WP Lens

  • Stack alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for linux records

Running WordPress? Scan your site free with WP Lens

Is your version affected? Check it

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.

We use this product, ask for help

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
linuxlinux kernel

Affected versions

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

  • linux linux kernel2.6.19 and later · before 3.16.66
  • linux linux kernel3.17.0 and later · before 3.18.137
  • linux linux kernel3.19.0 and later · before 4.4.177
  • linux linux kernel4.5.0 and later · before 4.9.163
  • linux linux kernel4.10.0 and later · before 4.14.106
  • linux linux kernel4.15.0 and later · before 4.19.28
  • linux linux kernel4.20.0 and later · before 4.20.15

Versions reported by the vendor

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

  • Linux Linux

    • 2.6.19affected
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before 97bc3683c24999ee621d847c9348c75d2fe86272affected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before c61d01faa5550e06794dcf86125ccd325bfad950affected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before dc18101f95fa6e815f426316b8b9a5cee28a334eaffected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before 1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000affected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before fcfe700acdc1c72eab231300e82b962bac2b2b2caffected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before e3713abc4248aa6bcc11173d754c418b02a62cbbaffected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before fbf9578919d6c91100ec63acf2cba641383f6c78affected · git
    • 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 and later · before 5578de4834fe0f2a34fedc7374be691443396d1faffected · git
    • before 2.6.19not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 4.19.28-14.19.28-1
SUSE:Linux Enterprise High Availability Extension 12 SP5kernel-defaultbefore 4.12.14-122.216.14.12.14-122.216.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_56before 1-8.3.11-8.3.1
SUSE:Linux Enterprise Real Time 12 SP5kernel-rtbefore 4.12.14-10.182.14.12.14-10.182.1
SUSE:Linux Enterprise Real Time 12 SP5kernel-rt_debugbefore 4.12.14-10.182.14.12.14-10.182.1
SUSE:Linux Enterprise Real Time 12 SP5kernel-source-rtbefore 4.12.14-10.182.14.12.14-10.182.1
SUSE:Linux Enterprise Real Time 12 SP5kernel-syms-rtbefore 4.12.14-10.182.14.12.14-10.182.1
SUSE:Linux Enterprise Server 12 SP5kernel-azurebefore 4.12.14-16.182.14.12.14-16.182.1
SUSE:Linux Enterprise Server 12 SP5kernel-sourcebefore 4.12.14-122.216.14.12.14-122.216.1
SUSE:Linux Enterprise Server 12 SP5kernel-source-azurebefore 4.12.14-16.182.14.12.14-16.182.1
SUSE:Linux Enterprise Server 12 SP5kernel-symsbefore 4.12.14-122.216.14.12.14-122.216.1
SUSE:Linux Enterprise Server 12 SP5kernel-syms-azurebefore 4.12.14-16.182.14.12.14-16.182.1
SUSE:Linux Enterprise Software Development Kit 12 SP5kernel-docsbefore 4.12.14-122.216.14.12.14-122.216.1
SUSE:Linux Enterprise Software Development Kit 12 SP5kernel-obs-buildbefore 4.12.14-122.216.14.12.14-122.216.1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-26605Feb 26, 2024 · PCI/ASPM: Fix deadlock when enabling ASPM
    22Monitor
  • ← EarlierCVE-2024-26606Feb 26, 2024 · binder: signal epoll threads of self-work
    22Monitor
  • Later →CVE-2019-25162Feb 26, 2024 · i2c: Fix a potential use after free
    31Monitor

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
Linux Linux1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000Vendor (CNA)
Linux Linux5578de4834fe0f2a34fedc7374be691443396d1fVendor (CNA)
Linux Linux97bc3683c24999ee621d847c9348c75d2fe86272Vendor (CNA)
Linux Linuxc61d01faa5550e06794dcf86125ccd325bfad950Vendor (CNA)
Linux Linuxdc18101f95fa6e815f426316b8b9a5cee28a334eVendor (CNA)
Linux Linuxe3713abc4248aa6bcc11173d754c418b02a62cbbVendor (CNA)
Linux Linuxfbf9578919d6c91100ec63acf2cba641383f6c78Vendor (CNA)
Linux Linuxfcfe700acdc1c72eab231300e82b962bac2b2b2cVendor (CNA)
debian:linux4.19.28-1 · Debian:12Package registry (OSV)
suse:kernel-azure4.12.14-16.182.1 · SUSE:Linux Enterprise Server 12 SP5Package registry (OSV)
suse:kernel-default4.12.14-122.216.1 · SUSE:Linux Enterprise High Availability Extension 12 SP5Package registry (OSV)
suse:kernel-docs4.12.14-122.216.1 · SUSE:Linux Enterprise Software Development Kit 12 SP5Package registry (OSV)
suse:kernel-obs-build4.12.14-122.216.1 · SUSE:Linux Enterprise Software Development Kit 12 SP5Package registry (OSV)
suse:kernel-rt4.12.14-10.182.1 · SUSE:Linux Enterprise Real Time 12 SP5Package registry (OSV)
suse:kernel-rt_debug4.12.14-10.182.1 · SUSE:Linux Enterprise Real Time 12 SP5Package registry (OSV)
suse:kernel-source4.12.14-122.216.1 · SUSE:Linux Enterprise Server 12 SP5Package registry (OSV)
suse:kernel-source-azure4.12.14-16.182.1 · SUSE:Linux Enterprise Server 12 SP5Package registry (OSV)
suse:kernel-source-rt4.12.14-10.182.1 · SUSE:Linux Enterprise Real Time 12 SP5Package registry (OSV)
suse:kernel-syms-azure4.12.14-16.182.1 · SUSE:Linux Enterprise Server 12 SP5Package registry (OSV)
suse:kernel-syms-rt4.12.14-10.182.1 · SUSE:Linux Enterprise Real Time 12 SP5Package registry (OSV)
suse:kgraft-patch-SLE12-SP5_Update_561-8.3.1 · SUSE:Linux Enterprise Live Patching 12 SP5Package registry (OSV)

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.

No history yet (it accumulates with the daily EPSS job).

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
high · data can be read
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
High
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

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

nvd-primary

Attack context

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

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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

References

Show all references (7 more)

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

All records