Out-of-bounds Read in Linux

CVE-2023-52827

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats() len is extracted from HTT message and could be an unexpected value in case errors happen, so add validation before using to avoid possible out-of-bound read in the following message iteration and parsing. The same issue also applies to ppdu_info->ppdu_stats.common.num_users, so validate it before using too. These are found during code review. Compile test only.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-52827?
CVE-2023-52827 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.7/10. Published 2024-05-21.
How severe is CVE-2023-52827?
High severity. CVSS v3 base score is 7.7 out of 10.
Is CVE-2023-52827 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.