{"cve":"CVE-2022-49022","nvd":{"published":"2024-10-21T20:15:13.233","modified":"2026-08-04T10:17:31.327","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac8021: fix possible oob access in ieee80211_get_rate_duration\n\nFix possible out-of-bound access in ieee80211_get_rate_duration routine\nas reported by the following UBSAN report:\n\nUBSAN: array-index-out-of-bounds in net/mac80211/airtime.c:455:47\nindex 15 is out of range for type 'u16 [12]'\nCPU: 2 PID: 217 Comm: kworker/u32:10 Not tainted 6.1.0-060100rc3-generic\nHardware name: Acer Aspire TC-281/Aspire TC-281, BIOS R01-A2 07/18/2017\nWorkqueue: mt76 mt76u_tx_status_data [mt76_usb]\nCall Trace:\n <TASK>\n show_stack+0x4e/0x61\n dump_stack_lvl+0x4a/0x6f\n dump_stack+0x10/0x18\n ubsan_epilogue+0x9/0x43\n __ubsan_handle_out_of_bounds.cold+0x42/0x47\nieee80211_get_rate_duration.constprop.0+0x22f/0x2a0 [mac80211]\n ? ieee80211_tx_status_ext+0x32e/0x640 [mac80211]\n ieee80211_calc_rx_airtime+0xda/0x120 [mac80211]\n ieee80211_calc_tx_airtime+0xb4/0x100 [mac80211]\n mt76x02_send_tx_status+0x266/0x480 [mt76x02_lib]\n mt76x02_tx_status_data+0x52/0x80 [mt76x02_lib]\n mt76u_tx_status_data+0x67/0xd0 [mt76_usb]\n process_one_work+0x225/0x400\n worker_thread+0x50/0x3e0\n ? process_one_work+0x400/0x400\n kthread+0xe9/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-129"],"references":["https://git.kernel.org/stable/c/0184ede0ec61b9cd075babfaa45081b1bf322234","https://git.kernel.org/stable/c/3e8f7abcc3473bc9603323803aeaed4ffcc3a2ab","https://git.kernel.org/stable/c/59b54f0563b6546c94bdb6823d3b382c75407019","https://git.kernel.org/stable/c/f0fcad4c7201ecfaa17357f4ce0c50b4708df22d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2022-49022","score":0.00343,"percentile":0.27834,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}