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NVD / CVE Program· CNA Linux

CVE-2024-47678: icmp: change the order of rate limits

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: 0.60% (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 483397b4ba280813e4a9c161a0a85172ddb43d19, 662ec52260cc07b9ae53ecd3925183c29d34288b, 8c2bd38b95f75f3d2a08c93e35303e26d480d24e; azl3 kernel 6.6.51.1-5 on Azure Linux 3.0 6.6.56.1-5; azl3 kernel 6.6.56.1-5 on Azure Linux 3.0 6.6.56.1-5.
  • Severity is disputed: the assigning authority (CNA) scores it 9.4, NVD 5.5.

Low priority for now. Upgrade to Linux Linux 483397b4ba280813e4a9c161a0a85172ddb43d19, 662ec52260cc07b9ae53ecd3925183c29d34288b, 8c2bd38b95f75f3d2a08c93e35303e26d480d24e; azl3 kernel 6.6.51.1-5 on Azure Linux 3.0 6.6.56.1-5; azl3 kernel 6.6.56.1-5 on Azure Linux 3.0 6.6.56.1-5 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: icmp: change the order of rate limits ICMP messages are ratelimited : After the blamed commits, the two rate limiters are applied in this order: 1) host wide ratelimit (icmp_global_allow()) 2) Per destination ratelimit (inetpeer based) In order to avoid side-channels attacks, we need to apply the per destination check first. This patch makes the following change : 1) icmp_global_allow() checks if the host wide limit is reached. But credits are not yet consumed. This is deferred to 3) 2) The per destination limit is checked/updated. This might add a new node in inetpeer tree. 3) icmp_global_consume() consumes tokens if prior operations succeeded. This means that host wide ratelimit is still effective in keeping inetpeer tree small even under DDOS. As a bonus, I removed icmp_global.lock as the fast path can use a lock-free operation.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Oct 21, 2024
Updated
Aug 5, 2026
EPSS
0.6% · 49th 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 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · Linux
9.4
3.9 point gap

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

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

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When you'll hear from us

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  • when exploit code appears or is weaponized
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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 kernel3.18 and later · before 6.1.113
  • linux linux kernel6.2 and later · before 6.6.54
  • linux linux kernel6.7 and later · before 6.10.13
  • linux linux kernel6.11 and later · before 6.11.2

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

    • 3.18affected
    • 4cdf507d54525842dfd9f6313fdafba039084046 and later · before 997ba8889611891f91e8ad83583466aeab6239a3affected · git
    • 4cdf507d54525842dfd9f6313fdafba039084046 and later · before 662ec52260cc07b9ae53ecd3925183c29d34288baffected · git
    • 4cdf507d54525842dfd9f6313fdafba039084046 and later · before a7722921adb046e3836eb84372241f32584bdb07affected · git
    • 4cdf507d54525842dfd9f6313fdafba039084046 and later · before 483397b4ba280813e4a9c161a0a85172ddb43d19affected · git
    • 4cdf507d54525842dfd9f6313fdafba039084046 and later · before 8c2bd38b95f75f3d2a08c93e35303e26d480d24eaffected · git
    • before 3.18not affected · semver
    • 6.1.113 and later · up to and including 6.1.*not affected · semver
    • 6.6.54 and later · up to and including 6.6.*not affected · semver
    • 6.10.13 and later · up to and including 6.10.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.115-16.1.115-1
Debian:13linuxbefore 6.11.2-16.11.2-1
openSUSE:Leap 15.6dtb-aarch64before 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-64kbbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-azurebefore 6.4.0-150600.8.23.16.4.0-150600.8.23.1
openSUSE:Leap 15.6kernel-debugbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-defaultbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-default-basebefore 6.4.0-150600.23.33.1.150600.12.14.16.4.0-150600.23.33.1.150600.12.14.1
openSUSE:Leap 15.6kernel-docsbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-kvmsmallbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-obs-buildbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-obs-qabefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-rtbefore 6.4.0-150600.10.23.16.4.0-150600.10.23.1
openSUSE:Leap 15.6kernel-rt_debugbefore 6.4.0-150600.10.23.16.4.0-150600.10.23.1
openSUSE:Leap 15.6kernel-sourcebefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-source-azurebefore 6.4.0-150600.8.23.16.4.0-150600.8.23.1
openSUSE:Leap 15.6kernel-source-rtbefore 6.4.0-150600.10.23.16.4.0-150600.10.23.1
openSUSE:Leap 15.6kernel-symsbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Leap 15.6kernel-syms-azurebefore 6.4.0-150600.8.23.16.4.0-150600.8.23.1
openSUSE:Leap 15.6kernel-syms-rtbefore 6.4.0-150600.10.23.16.4.0-150600.10.23.1
openSUSE:Leap 15.6kernel-zfcpdumpbefore 6.4.0-150600.23.33.16.4.0-150600.23.33.1
openSUSE:Tumbleweedkernel-sourcebefore 6.11.8-1.16.11.8-1.1
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOSkernel-64kbbefore 5.14.21-150500.55.91.15.14.21-150500.55.91.1
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOSkernel-docsbefore 5.14.21-150500.55.91.15.14.21-150500.55.91.1

+33

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-2024-47676Oct 21, 2024 · mm/hugetlb.c: fix UAF of vma in hugetlb fault pathway
    31Monitor
  • ← EarlierCVE-2024-47677Oct 21, 2024 · exfat: resolve memory leak from exfat_create_upcase_table()
    22Monitor
  • Later →CVE-2024-47679Oct 21, 2024 · vfs: fix race between evice_inodes() and find_inode()&iput()
    18Monitor

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 Linux483397b4ba280813e4a9c161a0a85172ddb43d19Vendor (CNA)
Linux Linux662ec52260cc07b9ae53ecd3925183c29d34288bVendor (CNA)
Linux Linux8c2bd38b95f75f3d2a08c93e35303e26d480d24eVendor (CNA)
Linux Linux997ba8889611891f91e8ad83583466aeab6239a3Vendor (CNA)
Linux Linuxa7722921adb046e3836eb84372241f32584bdb07Vendor (CNA)
azl3 kernel 6.6.51.1-5 on Azure Linux 3.06.6.56.1-5 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 kernel 6.6.56.1-5 on Azure Linux 3.06.6.56.1-5 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.115-1 · Debian:12Package registry (OSV)
opensuse:dtb-aarch646.4.0-150600.23.33.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-64kb6.4.0-150600.23.33.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-azure6.4.0-150600.8.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-debug6.4.0-150600.23.33.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-default6.4.0-150600.23.33.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-default-base6.4.0-150600.23.33.1.150600.12.14.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-rt6.4.0-150600.10.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-rt_debug6.4.0-150600.10.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-source-azure6.4.0-150600.8.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-source-rt6.4.0-150600.10.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-syms-azure6.4.0-150600.8.23.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:kernel-syms-rt6.4.0-150600.10.23.1 · openSUSE:Leap 15.6Package registry (OSV)
suse:kernel-64kb6.4.0-150600.23.33.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6Package registry (OSV)
suse:kernel-azure6.4.0-150600.8.23.1 · SUSE:Linux Enterprise Module for Public Cloud 15 SP6Package registry (OSV)
suse:kernel-default6.4.0-150600.23.33.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6Package registry (OSV)
suse:kernel-default-base6.4.0-150600.23.33.1.150600.12.14.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6Package registry (OSV)
suse:kernel-livepatch-SLE15-SP6-RT_Update_71-150600.1.3.1 · SUSE:Linux Enterprise Live Patching 15 SP6Package registry (OSV)
suse:kernel-rt6.4.0-150600.10.23.1 · SUSE:Real Time Module 15 SP6Package registry (OSV)
suse:kernel-rt_debug6.4.0-150600.10.23.1 · SUSE:Real Time Module 15 SP6Package registry (OSV)
suse:kernel-source6.4.0-150600.23.33.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6Package registry (OSV)
suse:kernel-source-azure6.4.0-150600.8.23.1 · SUSE:Linux Enterprise Module for Public Cloud 15 SP6Package registry (OSV)
suse:kernel-source-rt6.4.0-150600.10.23.1 · SUSE:Real Time Module 15 SP6Package 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-2021-47226153 days apartx86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer
    28Monitor
  • CVE-2025-39702319 days apartipv6: sr: Fix MAC comparison to be constant-time
    28Monitor
  • CVE-2023-6240260 days apartKernel: marvin vulnerability side-channel leakage in the rsa decryption operation
    26Monitor
  • CVE-2024-0564265 days apartKernel: max page sharing of kernel samepage merging (ksm) may cause memory deduplication
    26Monitor
  • CVE-2024-5010215 days apartx86: fix user address masking non-canonical speculation issue
    22Monitor
  • CVE-2022-48730123 days apartdma-buf: heaps: Fix potential spectre v1 gadget
    22Monitor

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).

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
none
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-203 · Observable Discrepancy

CVSS vector

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

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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

References

Show all references (5 more)

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

All records