Linux Kernel up to 6.6.25/6.8.4 bpf emit_patch denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 6.6.25/6.8.4. This affects the function emit_patch of the component bpf. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2024-35903. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.6.25/6.8.4. This vulnerability affects the function emit_patch of the component bpf. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to `emit_patch` so it calculates the correct offset for the CALL instruction if `x86_call_depth_emit_accounting` emits code. Otherwise we will skip some instructions and most likely crash.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2024-35903 since 05/17/2024. There are known technical details, but no exploit is available.

Upgrading to version 6.6.26 or 6.8.5 eliminates this vulnerability. Applying the patch 3f9d57c77165/81166178cf0a/9d98aa088386 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.6.26/6.8.5
Patch: 3f9d57c77165/81166178cf0a/9d98aa088386

Timelineinfo

05/17/2024 🔍
05/19/2024 +2 days 🔍
05/19/2024 +0 days 🔍
09/25/2025 +493 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-35903 (🔍)
GCVE (CVE): GCVE-0-2024-35903
GCVE (VulDB): GCVE-100-265168

Entryinfo

Created: 05/19/2024 13:13
Updated: 09/25/2025 00:04
Changes: 05/19/2024 13:13 (58), 10/30/2024 03:25 (13), 09/25/2025 00:04 (11)
Complete: 🔍
Cache ID: 216::103

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