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CVE-2022-49695

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: igb: fix a use-after-free issue in igb_clean_tx_ring Fix the following use-after-free bug in igb_clean_tx_ring routine when the…

Published Feb 26, 2025CWE-416EPSS 0.29%

Overview

CVE-2022-49695 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

igb: fix a use-after-free issue in igb_clean_tx_ring

Fix the following use-after-free bug in igb_clean_tx_ring routine when

the NIC is running in XDP mode. The issue can be triggered redirecting

traffic into the igb NIC and then closing the device while the traffic

is flowing.

[ 73.322719] CPU: 1 PID: 487 Comm: xdp_redirect Not tainted 5.18.3-apu2 #9

[ 73.330639] Hardware name: PC Engines APU2/APU2, BIOS 4.0.7 02/28/2017

[ 73.337434] RIP: 0010:refcount_warn_saturate+0xa7/0xf0

[ 73.362283] RSP: 0018:ffffc9000081f798 EFLAGS: 00010282

[ 73.367761] RAX: 0000000000000000 RBX: ffffc90000420f80 RCX: 0000000000000000

[ 73.375200] RDX: ffff88811ad22d00 RSI: ffff88811ad171e0 RDI: ffff88811ad171e0

[ 73.382590] RBP: 0000000000000900 R08: ffffffff82298f28 R09: 0000000000000058

[ 73.390008] R10: 0000000000000219 R11: ffffffff82280f40 R12: 0000000000000090

[ 73.397356] R13: ffff888102343a40 R14: ffff88810359e0e4

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2af944210dc23d43d8208dafac4df7be7e3c168bRefgit.kernel.org/stable/c/3f6a57ee8544ec3982f8a3cbcbf4aea7d47eb9ecRefgit.kernel.org/stable/c/68a0ed06dcd5d3ea732d011c0b83d66e4791f521Refgit.kernel.org/stable/c/c12a2c9b1b460ed72e6b3c33aac1ef51b0329b66

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49695?

CVE-2022-49695 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49695?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49695?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49695?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49695 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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