Use After Free in Linux Kernel

CVE-2023-3317

A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.

Vulnerability class: Use-After-Free

EPSS: 0.002 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

  • Linux Linux_kernel — versions 6.3
  • N/a Kernel — versions KErnel version prior to 6.3-rc6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-3317?
CVE-2023-3317 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.1/10. Published 2023-06-23.
How severe is CVE-2023-3317?
High severity. CVSS v3 base score is 7.1 out of 10.