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Review reviewHigh

CVE-2022-49022

Linux Linux, linux kernel

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...

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.10.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a < 0184ede0ec61b9cd075babfaa45081b1bf322234, >= db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a < 59b54f0563b6546c94bdb6823d3b382c75407019, >= db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a < f0fcad4c7201ecfaa17357f4ce0c50b4708df22d, >= db3e1c40cf2f973fbdd52ae0b59a9472b1c04f4a < 3e8f7abcc3473bc9603323803aeaed4ffcc3a2ab, >= 5.5, >= 5.5 < 5.10.158, >= 5.11 < 5.15.82, >= 5.16 < 6.0.12, 6.1
Fixed versions
5.10.158, 5.15.82, 6.0.12

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-129