Improper Validation of Array Index Affecting kernel-default-base package, versions <5.14.21-150400.24.141.1.150400.24.68.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES154-KERNELDEFAULTBASE-8449093
  • published3 Dec 2024
  • disclosed2 Dec 2024

Introduced: 2 Dec 2024

NewCVE-2022-49022  (opens in a new tab)
CWE-129  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-default-base to version 5.14.21-150400.24.141.1.150400.24.68.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-base package and not the kernel-default-base package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

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

wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration

Fix possible out-of-bound access in ieee80211_get_rate_duration routine as reported by the following UBSAN report:

UBSAN: array-index-out-of-bounds in net/mac80211/airtime.c:455:47 index 15 is out of range for type 'u16 [12]' CPU: 2 PID: 217 Comm: kworker/u32:10 Not tainted 6.1.0-060100rc3-generic Hardware name: Acer Aspire TC-281/Aspire TC-281, BIOS R01-A2 07/18/2017 Workqueue: mt76 mt76u_tx_status_data [mt76_usb] Call Trace: <TASK> show_stack+0x4e/0x61 dump_stack_lvl+0x4a/0x6f dump_stack+0x10/0x18 ubsan_epilogue+0x9/0x43 __ubsan_handle_out_of_bounds.cold+0x42/0x47 ieee80211_get_rate_duration.constprop.0+0x22f/0x2a0 [mac80211] ? ieee80211_tx_status_ext+0x32e/0x640 [mac80211] ieee80211_calc_rx_airtime+0xda/0x120 [mac80211] ieee80211_calc_tx_airtime+0xb4/0x100 [mac80211] mt76x02_send_tx_status+0x266/0x480 [mt76x02_lib] mt76x02_tx_status_data+0x52/0x80 [mt76x02_lib] mt76u_tx_status_data+0x67/0xd0 [mt76_usb] process_one_work+0x225/0x400 worker_thread+0x50/0x3e0 ? process_one_work+0x400/0x400 kthread+0xe9/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30

CVSS Scores

version 3.1