CVE-2023-52827
wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
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.
Timeline
ID reserved
By Linux
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.7 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Weakness
Affected products
- affected d889913205cf7ebda905b1e62c5867ed4e39f6c2 – < 79527c21a3ce04cffc35ea54f74ee087e532be57
- affected d889913205cf7ebda905b1e62c5867ed4e39f6c2 – < c9e44111da221246efb2e623ae1be40a5cf6542c
- affected d889913205cf7ebda905b1e62c5867ed4e39f6c2 – < 1bc44a505a229bb1dd4957e11aa594edeea3690e
- affected 6.3
- unaffected < 6.3
- unaffected 6.5.13 – ≤ 6.5.*
- unaffected 6.6.3 – ≤ 6.6.*
- unaffected 6.7 – ≤ *
References (3)
- https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-52827)Record last updated .