Vulnerability details
CVE-2022-49479
Linux Linux
mt76: fix tx status related use-after-free race on station removal
CVSS 3.1
8.8High
Official description
In the Linux kernel, the following vulnerability has been resolved: mt76: fix tx status related use-after-free race on station removal There is a small race window where ongoing tx activity can lead to a skb getting added to the status tracking idr after that idr has already been cleaned up, which will keep the wcid linked in the status poll list. Fix this by only adding status skbs if the wcid pointer is still assigned in dev->wcid, which gets cleared early by mt76_sta_pre_rcu_remove
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 5.16 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | bd1e3e7b693c17a04e7d2bd9119daa482b7c7720 ≤ v < ef7f9f894cfd0b2e471206409a529af4a26ddd55 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | bd1e3e7b693c17a04e7d2bd9119daa482b7c7720 ≤ v < ddd426d72aca4054045a9bd3b80a4ce1d398f11f | CVEProject cvelistV5 (CNA) |
| Linux | Linux | bd1e3e7b693c17a04e7d2bd9119daa482b7c7720 ≤ v < fcfe1b5e162bf473c1d47760962cec8523c00466 | CVEProject cvelistV5 (CNA) |
References and advisories
3
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2025-02-26
- Last updated
- 2026-08-05
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.31%
Probability of exploitation in 30 days
24.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-416Use After Free