Linux Kernel up to 6.15-rc6 arm64 privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.1.138/6.6.90/6.12.28/6.14.6/6.15-rc6. Affected by this vulnerability is an unknown functionality of the component arm64. The manipulation results in an unknown weakness. This vulnerability was named CVE-2025-37948. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.1.138/6.6.90/6.12.28/6.14.6/6.15-rc6. Affected is some unknown functionality of the component arm64. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs A malicious BPF program may manipulate the branch history to influence what the hardware speculates will happen next. On exit from a BPF program, emit the BHB mititgation sequence. This is only applied for 'classic' cBPF programs that are loaded by seccomp.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2025-37948 since 04/16/2025. The exploitability is told to be difficult. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 237223 (Debian dsa-5925 : affs-modules-6.1.0-33-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.139, 6.6.91, 6.12.29, 6.14.7 or 6.15-rc7 eliminates this vulnerability. Applying the patch 8fe5c37b0e08a97cf0210bb75970e945aaaeebab/42a20cf51011788f04cf2adbcd7681f02bdb6c27/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78/852b8ae934b5cbdc62496fa56ce9969aa2edda7f/0dfefc2ea2f29ced2416017d7e5b1253a54c2735 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.

The vulnerability is also documented in the databases at Tenable (237223), EUVD (EUVD-2025-15907) and CERT Bund (WID-SEC-2025-1114). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Dell Avamar
  • Open Source Linux Kernel
  • Dell NetWorker
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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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Nessus ID: 237223
Nessus Name: Debian dsa-5925 : affs-modules-6.1.0-33-4kc-malta-di - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.1.139/6.6.91/6.12.29/6.14.7/6.15-rc7
Patch: 8fe5c37b0e08a97cf0210bb75970e945aaaeebab/42a20cf51011788f04cf2adbcd7681f02bdb6c27/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78/852b8ae934b5cbdc62496fa56ce9969aa2edda7f/0dfefc2ea2f29ced2416017d7e5b1253a54c2735

Timelineinfo

04/16/2025 🔍
05/20/2025 +34 days 🔍
05/20/2025 +0 days 🔍
12/20/2025 +214 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-37948 (🔍)
GCVE (CVE): GCVE-0-2025-37948
GCVE (VulDB): GCVE-100-309738
EUVD: 🔍
CERT Bund: WID-SEC-2025-1114 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/20/2025 18:26
Updated: 12/20/2025 23:00
Changes: 05/20/2025 18:26 (56), 05/25/2025 03:47 (2), 06/27/2025 13:56 (1), 08/09/2025 23:57 (7), 09/27/2025 08:46 (1), 12/14/2025 16:53 (1), 12/18/2025 23:50 (11), 12/20/2025 23:00 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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