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bdu:2024-06638

certfr-2024-avi-0779 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un at…

certfr-2024-avi-0779

EUVD-2026-310248

fkie_cve-2022-48933

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: fix memory leak during stateful obj update

stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose.

The ->init function was called for this object, so plain kfree() leaks resources. We must call ->destroy function of the object.

nft_obj_destroy does this, but it also decrements the module refcount, but the update path doesn't increment it.

To avoid special-casing the update object release, do module_get for the update case too and release it via nft_obj_destroy().

GHSA-92cr-jqq3-99x4

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: fix memory leak during stateful obj update

stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose.

The ->init function was called for this object, so plain kfree() leaks resources. We must call ->destroy function of the object.

nft_obj_destroy does this, but it also decrements the module refcount, but the update path doesn't increment it.

To avoid special-casing the update object release, do module_get for the update case too and release it via nft_obj_destroy().

SUSE-SU-2024:3225-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2022-48933

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.4, Ubuntu:18.04:LTS: linux-azure-5.4, Ubuntu:18.04:LTS: linux-gcp-5.4, Ubuntu:18.04:LTS: linux-hwe-5.4, Ubuntu:18.04:LTS: linux-ibm-5.4, Ubuntu:18.04:LTS: linux-oracle-5.4, Ubuntu:18.04:LTS: linux-raspi-5.4, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3 and 92 more

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix memory leak during stateful obj update stateful objects can be updated from the control plane. The transaction logic allocates a temporary object for this purpose. The ->init function was called for this object, so plain kfree() leaks resources. We must call ->destroy function of the object. nft_obj_destroy does this, but it also decrements the module refcount, but the update path doesn't increment it. To avoid special-casing the update object release, do module_get for the update case too and release it via nft_obj_destroy().

WID-SEC-W-2024-1898 — Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Ein lokaler Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder einen unspezifischen Angriff durchzuführen.