Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2 find_servive_by_handle null pointer dereference

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. It has been declared as critical. Affected by this issue is the function find_servive_by_handle. The manipulation results in null pointer dereference. This vulnerability was named CVE-2022-49104. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. Affected is the function find_servive_by_handle. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: staging: vchiq_core: handle NULL result of find_service_by_handle In case of an invalid handle the function find_servive_by_handle returns NULL. So take care of this and avoid a NULL pointer dereference.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-49104 since 02/26/2025. There are known technical details, but no exploit is available.

Upgrading to version 5.10.111, 5.15.34, 5.16.20 or 5.17.3 eliminates this vulnerability. Applying the patch aa0b7296785312a4bfa8fac0ba8ad78698fd9fcf/42f2142a337ee372455574809fc924580a7e51b2/04202f54dd8899e10f56a89c4c1ede0043fa22af/3b424f6586a870b8d657c5e5419465bbe0e7b61f/ca225857faf237234d2fffe5d1919467dfadd822 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

• 5.10.110
• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.16.5
• 5.16.6
• 5.16.7
• 5.16.8
• 5.16.9
• 5.16.10
• 5.16.11
• 5.16.12
• 5.16.13
• 5.16.14
• 5.16.15
• 5.16.16
• 5.16.17
• 5.16.18
• 5.16.19
• 5.17.0
• 5.17.1
• 5.17.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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