CVE-2023-52594

CVE Details

Release Date:

2024-03-06

Description

In the Linux kernel, the following vulnerability has been resolved:\nwifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus()\nFix an array-index-out-of-bounds read in ath9k_htc_txstatus(). The bug\noccurs when txs->cnt, data from a URB provided by a USB device, is\nbigger than the size of the array txs->txstatus, which is\nHTC_MAX_TX_STATUS. WARN_ON() already checks it, but there is no bug\nhandling code after the check. Make the function return if that is the\ncase.\nFound by a modified version of syzkaller.\nUBSAN: array-index-out-of-bounds in htc_drv_txrx.c\nindex 13 is out of range for type '__wmi_event_txstatus [12]'\nCall Trace:\nath9k_htc_txstatus\nath9k_wmi_event_tasklet\ntasklet_action_common\n__do_softirq\nirq_exit_rxu\nsysvec_apic_timer_interrupt

See more information about CVE-2023-52594 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	4.4	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2024-12606	2024-09-02
Oracle Linux version 7 (kernel-uek)	ELSA-2024-12606	2024-09-02
Oracle Linux version 8 (kernel)	ELSA-2024-3618	2024-06-05
Oracle VM version 3 (kernel-uek)	OVMSA-2024-0011	2024-09-03