wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2022-49022
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-10-21 20:15:13 UTC
Updated2026-08-04 10:17:31 UTC
DescriptionIn 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

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-129

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.1HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a 0184ede0ec61b9cd075babfaa45081b1bf322234 git Not specified
CNA Linux Linux affected db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a 59b54f0563b6546c94bdb6823d3b382c75407019 git Not specified
CNA Linux Linux affected db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a f0fcad4c7201ecfaa17357f4ce0c50b4708df22d git Not specified
CNA Linux Linux affected db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a 3e8f7abcc3473bc9603323803aeaed4ffcc3a2ab git Not specified
CNA Linux Linux affected 5.5 Not specified
CNA Linux Linux unaffected 5.5 semver Not specified
CNA Linux Linux unaffected 5.10.158 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.82 5.15.* semver Not specified
CNA Linux Linux unaffected 6.0.12 6.0.* semver Not specified
CNA Linux Linux unaffected 6.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f0fcad4c7201ecfaa17357f4ce0c50b4708df22d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/0184ede0ec61b9cd075babfaa45081b1bf322234 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3e8f7abcc3473bc9603323803aeaed4ffcc3a2ab 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/59b54f0563b6546c94bdb6823d3b382c75407019 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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