CVE-2022-48841 ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats()

What is CVE-2022-48841?

CVE-2022-48841 is a medium-severity vulnerability in Linux kernel, published on 16 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats()

It is possible to do NULL pointer dereference in routine that updates Tx ring stats. Currently only stats and bytes are updated when ring pointer is valid, but later on ring is accessed to propagate gathered Tx stats onto VSI stats.

Change the existing logic to move to next ring when ring is NULL.

Weakness: CWE-476

Which versions are affected by CVE-2022-48841?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48841?

Apply the vendor's patch.

Is CVE-2022-48841 being exploited?

There is no known exploitation of CVE-2022-48841 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-43351, DEBIAN-CVE-2022-48841, GHSA-7pgp-w5jc-4xjm, UBUNTU-CVE-2022-48841.