CVE-2023-52768

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: wilc1000: use vmm_table as array in wilc struct

Enabling KASAN and running some iperf tests raises some memory issues with vmm_table:

BUG: KASAN: slab-out-of-bounds in wilc_wlan_handle_txq+0x6ac/0xdb4 Write of size 4 at addr c3a61540 by task wlan0-tx/95

KASAN detects that we are writing data beyond range allocated to vmm_table. There is indeed a mismatch between the size passed to allocator in wilc_wlan_init, and the range of possible indexes used later: allocation size is missing a multiplication by sizeof(u32)

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-129

Affected software

VendorProductVersions
LinuxLinux>= 32dd0b22a5ba1dd296ccf2caf46ad44c3a8d5d98, < 541b3757fd443a68ed8d25968eae511a8275e7c8; >= 40b717bfcefab28a0656b8caa5e43d5449e5a671, < 4b0d6ddb6466d10df878a7787f175a0e4adc3e27; >= 40b717bfcefab28a0656b8caa5e43d5449e5a671, < 6aaf7cd8bdfe245d3c9a8b48fe70c2011965948e; >= 40b717bfcefab28a0656b8caa5e43d5449e5a671, < 3ce1c2c3999b232258f7aabab311d47dda75605c; >= 40b717bfcefab28a0656b8caa5e43d5449e5a671, < 05ac1a198a63ad66bf5ae8b7321407c102d40ef3; 5212d958f6518003cd98c9886f8e8aedcfc25741; >= 5.15.68, < 5.15.140; >= 5.19.9, < 5.20
LinuxLinux6.0

References

Timeline

Published
May 21, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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CVE-2023-52768: High severity, CVSS 7.8 | Vulnix