What is CVE-2024-40937?

CVE-2024-40937 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2024-07-12.

How severe is CVE-2024-40937?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2024-40937

In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi->skb before dev_kfree_skb_any() gve_rx_free_skb incorrectly leaves napi->skb referencing an skb after it is freed with dev_kfree_skb_any(). This can result in a subsequent call to napi_get_frags returning a dangling pointer. Fix this by clearing napi->skb before the skb is freed.

EPSS: 0.003 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 9b8dd5e5ea48bbb7532d20c4093a79d8283e4029, 5.14, 0
Linux Linux_kernel — versions 6.10

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-40937?: CVE-2024-40937 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2024-07-12.
How severe is CVE-2024-40937?: Critical severity. CVSS v3 base score is 9.8 out of 10.