Linux Kernel up to 6.18.32/7.0.9 net privilege escalation

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.18.32/7.0.9. The impacted element is an unknown function of the component net. The manipulation results in an unknown weakness. This vulnerability is identified as CVE-2026-53087. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.18.32/7.0.9. Affected is an unknown part of the component net. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix leaking free_bds While reclaiming the tx queue we fast forward the write pointer to drop any data in flight. These dropped frames are not added back to the pool of free bds. We also need to tell the netdev that we are dropping said data.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2026-53087 since 06/09/2026. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/24/2026).

Upgrading to version 6.18.33 or 7.0.10 eliminates this vulnerability. Applying the patch 150d06aae1839a6564ab200ef0e7291c3528bbb0/52b9f80993698138b90e5ca3a72550a2501f2a96/3c3abbcfa05bad17965498ff7cc94c2418fa94b3/25ff3a3e47ea635ec08dc93e84dd2bfe15abfebb/ac4a29c331ecb5b10240c44247a8e010c95bc15b/3f3168300efb839028328d720ab3962f91d6a0d0 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.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.18.0
• 6.18.1
• 6.18.2
• 6.18.3
• 6.18.4
• 6.18.5
• 6.18.6
• 6.18.7
• 6.18.8
• 6.18.9
• 6.18.10
• 6.18.11
• 6.18.12
• 6.18.13
• 6.18.14
• 6.18.15
• 6.18.16
• 6.18.17
• 6.18.18
• 6.18.19
• 6.18.20
• 6.18.21
• 6.18.22
• 6.18.23
• 6.18.24
• 6.18.25
• 6.18.26
• 6.18.27
• 6.18.28
• 6.18.29
• 6.18.30
• 6.18.31
• 6.18.32
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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