CVE-2022-48743 net: amd-xgbe: Fix skb data length underflow

What is CVE-2022-48743?

CVE-2022-48743 is a high-severity vulnerability in Linux kernel, published on 20 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

net: amd-xgbe: Fix skb data length underflow

There will be BUG_ON() triggered in include/linux/skbuff.h leading to intermittent kernel panic, when the skb length underflow is detected.

Fix this by dropping the packet if such length underflows are seen because of inconsistencies in the hardware descriptors.

Weakness: CWE-787

Which versions are affected by CVE-2022-48743?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48743?

Apply the vendor's patch.

Is CVE-2022-48743 being exploited?

There is no known exploitation of CVE-2022-48743 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 DEBIAN-CVE-2022-48743, GHSA-hj37-jcv3-rcw4, UBUNTU-CVE-2022-48743.