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NVD / CVE Program· CNA Linux

CVE-2024-42283: net: nexthop: Initialize all fields in dumped nexthops

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: 0.24% (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 1377de719652d868f5317ba8398b7e74c5f0430b, 5cc4d71dda2dd4f1520f40e634a527022e48ccd8, 6d745cd0e9720282cd291d36b9db528aea18add2.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1377de719652d868f5317ba8398b7e74c5f0430b, 5cc4d71dda2dd4f1520f40e634a527022e48ccd8, 6d745cd0e9720282cd291d36b9db528aea18add2 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: net: nexthop: Initialize all fields in dumped nexthops struct nexthop_grp contains two reserved fields that are not initialized by nla_put_nh_group(), and carry garbage. This can be observed e.g. with strace (edited for clarity): # ip nexthop add id 1 dev lo # ip nexthop add id 101 group 1 # strace -e recvmsg ip nexthop get id 101 ... recvmsg(... [{nla_len=12, nla_type=NHA_GROUP}, [{id=1, weight=0, resvd1=0x69, resvd2=0x67}]] ...) = 52 The fields are reserved and therefore not currently used. But as they are, they leak kernel memory, and the fact they are not just zero complicates repurposing of the fields for new ends. Initialize the full structure.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Aug 17, 2024
Updated
Oct 15, 2026
EPSS
0.2% · 15th 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%

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

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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
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 kernel5.3 and later · before 5.4.282
  • linux linux kernel5.5 and later · before 5.10.224
  • linux linux kernel5.11 and later · before 5.15.165
  • linux linux kernel5.16 and later · before 6.1.103
  • linux linux kernel6.2 and later · before 6.6.44
  • linux linux kernel6.7 and later · before 6.10.3

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

    • 5.3affected
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before fd06cb4a5fc7bda3dea31712618a62af72a1c6cbaffected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before 5cc4d71dda2dd4f1520f40e634a527022e48ccd8affected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before 9e8f558a3afe99ce51a642ce0d3637ddc2b5d5d0affected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before 1377de719652d868f5317ba8398b7e74c5f0430baffected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before 7704460acd7f5d35eb07c52500987dc9b95313fbaffected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before a13d3864b76ac87085ec530b2ff8e37482a63a96affected · git
    • 430a049190de3c9e219f43084de9f1122da04570 and later · before 6d745cd0e9720282cd291d36b9db528aea18add2affected · git
    • before 5.3not affected · semver
    • 5.4.282 and later · up to and including 5.4.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
AlmaLinux:9bpftoolbefore 7.4.0-503.14.1.el9_57.4.0-503.14.1.el9_5
AlmaLinux:9kernelbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64kbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debugbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-develbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-devel-matchedbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-modulesbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-modules-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-debug-modules-extrabefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-develbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-devel-matchedbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-modulesbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-modules-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-64k-modules-extrabefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-abi-stablelistsbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-cross-headersbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-debugbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-debug-corebefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-debug-develbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-debug-devel-matchedbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5
AlmaLinux:9kernel-debug-modulesbefore 5.14.0-503.14.1.el9_55.14.0-503.14.1.el9_5

+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-2024-42281Aug 17, 2024 · bpf: Fix a segment issue when downgrading gso_size
    22Monitor
  • ← EarlierCVE-2024-42282Aug 17, 2024 · net: mediatek: Fix potential NULL pointer dereference in dummy net_device handling
    22Monitor
  • Later →CVE-2024-42292Aug 17, 2024 · kobject_uevent: Fix OOB access within zap_modalias_env()
    28Monitor

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 Linux1377de719652d868f5317ba8398b7e74c5f0430bVendor (CNA)
Linux Linux5cc4d71dda2dd4f1520f40e634a527022e48ccd8Vendor (CNA)
Linux Linux6d745cd0e9720282cd291d36b9db528aea18add2Vendor (CNA)
Linux Linux7704460acd7f5d35eb07c52500987dc9b95313fbVendor (CNA)
Linux Linux9e8f558a3afe99ce51a642ce0d3637ddc2b5d5d0Vendor (CNA)
Linux Linuxa13d3864b76ac87085ec530b2ff8e37482a63a96Vendor (CNA)
Linux Linuxfd06cb4a5fc7bda3dea31712618a62af72a1c6cbVendor (CNA)
almalinux:bpftool7.4.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-core5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-core5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel-matched5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-core5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-extra5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-devel5.14.0-503.14.1.el9_5 · AlmaLinux:9Package registry (OSV)
debian:linux6.1.106-1 · Debian:12Package registry (OSV)
red hat:bpftool-debuginfo0:7.4.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-debuginfo0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debug-devel-matched0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-debuginfo0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-64k-devel-matched0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-debuginfo0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:kernel-debug-devel-matched0:5.14.0-503.14.1.el9_5 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)

+2

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-2024-5030294 days apartHID: core: zero-initialize the report bufferKEV
    52Plan
  • CVE-2024-4768565 days apartnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()
    36Monitor
  • CVE-2024-3689879 days apartgpiolib: cdev: fix uninitialised kfifo
    31Monitor
  • CVE-2024-5014382 days apartudf: fix uninit-value use in udf_get_fileshortad
    31Monitor
  • CVE-2021-4755385 days apartsched/scs: Reset task stack state in bringup_cpu()
    31Monitor
  • CVE-2024-27022108 days apartfork: defer linking file vma until vma is fully initialized
    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
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-908 · Use of Uninitialized Resource

CVSS vector

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

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 (9 more)

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

All records