CVE-2024-26611Network attack vector

Kernel crash via zero-copy XDP fragment removal

Published Feb 29, 2024 · Updated Aug 5, 2026

Null-pointer dereference in Linux 6.6 through 6.6.14, 6.7 through 6.7.2, and 6.8-rc1 allows remote attackers to crash the kernel via crafted frames. In bpf_xdp_adjust_tail(), zero-copy fragment removal passes a NULL xdp_buff to __xdp_return() instead of removing and freeing its xskb_list node. The host must run an AF_XDP zero-copy application with a multi-buffer XDP program that shrinks the packet tail; impact is limited to a receive-queue hang or kernel panic.

CVSS severity5.5
Medium
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null-pointer dereference in Linux 6.6 through 6.6.14, 6.7 through 6.7.2, and 6.8-rc1 allows remote attackers to crash the kernel via crafted frames. In bpf_xdp_adjust_tail(), zero-copy fragment removal passes a NULL xdp_buff to __xdp_return() instead of removing and freeing its xskb_list node. The host must run an AF_XDP zero-copy application with a multi-buffer XDP program that shrinks the packet tail; impact is limited to a receive-queue hang or kernel panic.

The record

CVE
CVE-2024-26611
Published
Feb 29, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476, T1498
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <5cd781f7216f980207af09c5e0e1bb1eda284540
  2. Affected versionversion=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <82ee4781b8200e44669a354140d5c6bd966b8768
  3. Affected versionversion=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <c5114710c8ce86b8317e9b448f4fd15c711c2a82
  4. Affected versionversion=6.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <5cd781f7216f980207af09c5e0e1bb1eda284540; version=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <82ee4781b8200e44669a354140d5c6bd966b8768; version=24ea50127ecf0efe819c1f6230add27abc6ca9d9 <c5114710c8ce86b8317e9b448f4fd15c711c2a82; version=6.6

Published CVSS scores

2.3Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
5.5NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5UbuntuCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1498Network Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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