Skip to content
Noroxi
NVD / CVE Program· CNA Linux

CVE-2024-42154: tcp_metrics: validate source addr length

Noroxi assessment

Priority: Monitor (action score 17/100)

  • 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: 0.26% (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: Linux Linux 19d997b59fa1fd7a02e770ee0881c0652b9c32c9, 2a2e79dbe2236a1289412d2044994f7ab419b44c, 31f03bb04146c1c6df6c03e9f45401f5f5a985d3; azl3 kernel 6.6.35.1-5 on Azure Linux 3.0 6.6.43.1-7; azl3 kernel 6.6.43.1-7 on Azure Linux 3.0 6.6.43.1-7.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 19d997b59fa1fd7a02e770ee0881c0652b9c32c9, 2a2e79dbe2236a1289412d2044994f7ab419b44c, 31f03bb04146c1c6df6c03e9f45401f5f5a985d3; azl3 kernel 6.6.35.1-5 on Azure Linux 3.0 6.6.43.1-7; azl3 kernel 6.6.43.1-7 on Azure Linux 3.0 6.6.43.1-7 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: tcp_metrics: validate source addr length I don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4 is at least 4 bytes long, and the policy doesn't have an entry for this attribute at all (neither does it for IPv6 but v6 is manually validated).

MediumCVSS 4.4 · v3.1—No exploit Fix available
Published
Jul 30, 2024
Updated
Oct 15, 2026
EPSS
0.2% · 17th percentile

Report tools

JSON

Action score

17

Monitor

Low priority for now.

CVSS
17 / 40 · 4.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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-2024-42154

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 kernel3.14 and later · before 4.19.318
  • linux linux kernel4.20 and later · before 5.4.280
  • linux linux kernel5.5 and later · before 5.10.222
  • linux linux kernel5.11 and later · before 5.15.163
  • linux linux kernel5.16 and later · before 6.1.98
  • linux linux kernel6.2 and later · before 6.6.39
  • linux linux kernel6.7 and later · before 6.9.9
  • linux linux kernel6.10

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

    • 3.14affected
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 19d997b59fa1fd7a02e770ee0881c0652b9c32c9affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 2a2e79dbe2236a1289412d2044994f7ab419b44caffected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before cdffc358717e436bb67122bb82c1a2a26e050f98affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before ef7c428b425beeb52b894e16f1c4b629d6cebfb6affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 31f03bb04146c1c6df6c03e9f45401f5f5a985d3affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 8c2debdd170e395934ac0e039748576dfde14e99affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 3d550dd5418729a6e77fe7721d27adea7152e321affected · git
    • 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 and later · before 66be40e622e177316ae81717aa30057ba9e61dffaffected · git
    • before 3.14not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.98-16.1.98-1
Debian:13linuxbefore 6.9.9-16.9.9-1
openSUSE:Leap 15.6dtb-aarch64before 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-64kbbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-azurebefore 6.4.0-150600.8.14.16.4.0-150600.8.14.1
openSUSE:Leap 15.6kernel-debugbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-defaultbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-default-basebefore 6.4.0-150600.23.25.1.150600.12.10.26.4.0-150600.23.25.1.150600.12.10.2
openSUSE:Leap 15.6kernel-docsbefore 6.4.0-150600.23.25.26.4.0-150600.23.25.2
openSUSE:Leap 15.6kernel-kvmsmallbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-obs-buildbefore 6.4.0-150600.23.25.26.4.0-150600.23.25.2
openSUSE:Leap 15.6kernel-obs-qabefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-rtbefore 6.4.0-150600.10.14.16.4.0-150600.10.14.1
openSUSE:Leap 15.6kernel-rt_debugbefore 6.4.0-150600.10.14.16.4.0-150600.10.14.1
openSUSE:Leap 15.6kernel-sourcebefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-source-azurebefore 6.4.0-150600.8.14.16.4.0-150600.8.14.1
openSUSE:Leap 15.6kernel-source-rtbefore 6.4.0-150600.10.14.16.4.0-150600.10.14.1
openSUSE:Leap 15.6kernel-symsbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
openSUSE:Leap 15.6kernel-syms-azurebefore 6.4.0-150600.8.14.16.4.0-150600.8.14.1
openSUSE:Leap 15.6kernel-syms-rtbefore 6.4.0-150600.10.14.16.4.0-150600.10.14.1
openSUSE:Leap 15.6kernel-zfcpdumpbefore 6.4.0-150600.23.25.16.4.0-150600.23.25.1
Red Hat:rhel_eus:9.2::appstreambpftool-debuginfobefore 0:7.0.0-284.95.1.el9_20:7.0.0-284.95.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debug-debuginfobefore 0:5.14.0-284.95.1.el9_20:5.14.0-284.95.1.el9_2
Red Hat:rhel_eus:9.2::appstreamkernel-64k-debug-develbefore 0:5.14.0-284.95.1.el9_20:5.14.0-284.95.1.el9_2

+96

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-2024-42131Jul 30, 2024 · mm: avoid overflows in dirty throttling logic
    17Monitor
  • ← EarlierCVE-2024-42139Jul 30, 2024 · ice: Fix improper extts handling
    22Monitor
  • Later →CVE-2024-42155Jul 30, 2024 · s390/pkey: Wipe copies of protected- and secure-keys
    7Monitor

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 Linux19d997b59fa1fd7a02e770ee0881c0652b9c32c9Vendor (CNA)
Linux Linux2a2e79dbe2236a1289412d2044994f7ab419b44cVendor (CNA)
Linux Linux31f03bb04146c1c6df6c03e9f45401f5f5a985d3Vendor (CNA)
Linux Linux3d550dd5418729a6e77fe7721d27adea7152e321Vendor (CNA)
Linux Linux66be40e622e177316ae81717aa30057ba9e61dffVendor (CNA)
Linux Linux8c2debdd170e395934ac0e039748576dfde14e99Vendor (CNA)
Linux Linuxcdffc358717e436bb67122bb82c1a2a26e050f98Vendor (CNA)
Linux Linuxef7c428b425beeb52b894e16f1c4b629d6cebfb6Vendor (CNA)
azl3 kernel 6.6.35.1-5 on Azure Linux 3.06.6.43.1-7 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 kernel 6.6.43.1-7 on Azure Linux 3.06.6.43.1-7 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.162.2-1 on CBL Mariner 2.05.15.164.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.162.2-1 on CBL-Mariner 2.05.15.164.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 kernel 5.15.164.1-1 on CBL Mariner 2.05.15.164.1-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.98-1 · Debian:12Package registry (OSV)
opensuse:dtb-aarch646.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-64kb6.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-azure6.4.0-150600.8.14.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-debug6.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-default6.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-default-base6.4.0-150600.23.25.1.150600.12.10.2 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-docs6.4.0-150600.23.25.2 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-kvmsmall6.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-obs-build6.4.0-150600.23.25.2 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-obs-qa6.4.0-150600.23.25.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-source-azure6.4.0-150600.8.14.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-syms-azure6.4.0-150600.8.14.1 · openSUSE:Leap 15.6Package registry (OSV)
red hat:bpftool-debuginfo0:7.0.0-284.95.1.el9_2 · Red Hat:rhel_eus:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-284.95.1.el9_2 · Red Hat:rhel_eus:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-284.95.1.el9_2 · Red Hat:rhel_eus:9.2::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-284.95.1.el9_2 · Red Hat:rhel_eus:9.2::appstreamPackage registry (OSV)

+26

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.

  • CVE-2025-39682402 days aparttls: fix handling of zero-length records on the rx_listKEV
    70This week
  • CVE-2024-421590 days apartscsi: mpi3mr: Sanitise num_phys
    31Monitor
  • CVE-2024-421600 days apartf2fs: check validation of fault attrs in f2fs_build_fault_attr()
    31Monitor
  • CVE-2024-4228418 days aparttipc: Return non-zero value from tipc_udp_addr2str() on error
    31Monitor
  • CVE-2024-4772783 days apartx86/tdx: Fix "in-kernel MMIO" check
    31Monitor
  • CVE-2021-47014153 days apartnet/sched: act_ct: fix wild memory access when clearing fragments
    31Monitor

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
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-754 · Improper Check for Unusual or Exceptional Conditions

CVSS vector

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

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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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

References

Show all references (16 more)

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

All records