CVE-2023-52827

wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()

HIGH
7.1
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.5.136.3 ≤ v < 6.5.136.3 ≤ v < 6.6.36.3 ≤ v < 6.76.6 ≤ v < 6.6.36.3d889913205cf7ebda905b1e62c5867ed4e39f6c2
Vendor states this is fixed in 1bc44a505a229bb1dd4957e11aa594edeea3690e (fixed)
Vendor states this is fixed in 79527c21a3ce04cffc35ea54f74ee087e532be57 (fixed)
Vendor states this is fixed in c9e44111da221246efb2e623ae1be40a5cf6542c (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.5.13 (unaffected)
Vendor states this is fixed in 6.6.3 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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