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CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer

🗓️ 26 Feb 2025 02:10:49Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 15 Views

Fix for use-after-free vulnerability in mt76 driver by protecting wcid with rcu_lock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability in Linux 5.15
19 Jun 202611:10
–astralinux
BDU FSTEC		Vulnerability of the mt76_sta_add() function in the drivers/net/wireless/mediatek/mt76/mac80211.c module – A driver for supporting Mediatek wireless adapter devices in the Linux operating system, which allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.
1 Sep 202500:00
–bdu_fstec
Circl		CVE-2022-49328
3 Dec 202514:14
–circl
CNNVD		Linux kernel 安全漏洞
26 Feb 202500:00
–cnnvd
CVE		CVE-2022-49328
26 Feb 202502:10
–cve
Debian CVE		CVE-2022-49328
26 Feb 202502:10
–debiancve
NVD		CVE-2022-49328
26 Feb 202507:01
–nvd
OSV		CLSA-2025-1749562017 kernel: Fix of 24 CVEs
10 Jun 202513:27
–osv
OSV		CLSA-2025-1749568993 kernel: Fix of 24 CVEs
10 Jun 202515:23
–osv
OSV		CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer
26 Feb 202502:10
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/mediatek/mt76/mac80211.c",
      "drivers/net/wireless/mediatek/mt76/mt76.h",
      "drivers/net/wireless/mediatek/mt76/mt7603/main.c",
      "drivers/net/wireless/mediatek/mt76/mt7615/main.c",
      "drivers/net/wireless/mediatek/mt76/mt76x02_util.c",
      "drivers/net/wireless/mediatek/mt76/mt7915/main.c",
      "drivers/net/wireless/mediatek/mt76/mt7921/main.c",
      "drivers/net/wireless/mediatek/mt76/tx.c"
    ],
    "versions": [
      {
        "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa",
        "lessThan": "4448327b41738dbfcda680eb4935ff835568f468",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa",
        "lessThan": "e55bcdd0bf34a8b10d45ce80ebb3164c5292a17d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa",
        "lessThan": "d5f77f1dbb59feae81f88e44551e8e1d8a802d9a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bc04215a66b60e198aecaee8418f6d79fa19faa",
        "lessThan": "51fb1278aa57ae0fc54adaa786e1965362bed4fb",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/mediatek/mt76/mac80211.c",
      "drivers/net/wireless/mediatek/mt76/mt76.h",
      "drivers/net/wireless/mediatek/mt76/mt7603/main.c",
      "drivers/net/wireless/mediatek/mt76/mt7615/main.c",
      "drivers/net/wireless/mediatek/mt76/mt76x02_util.c",
      "drivers/net/wireless/mediatek/mt76/mt7915/main.c",
      "drivers/net/wireless/mediatek/mt76/mt7921/main.c",
      "drivers/net/wireless/mediatek/mt76/tx.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.58",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.14",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.3",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 18:57Current
EPSS0.00284
use-after-free vulnerabilitylinux kernelmt76 driverrcu_lock protectionkasan issue
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