CVE-2022-49416 wifi: mac80211: fix use-after-free in chanctx code

🗓️ 26 Feb 2025 02:12:37Reported by LinuxType

Fixed use-after-free vulnerability in Linux kernel's chanctx code for wireless context management.

Reporter	Title	Published	Views	Family All 194
AstraLinux	Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15	3 May 202623:59	–	astralinux
CNNVD	Linux kernel 安全漏洞	26 Feb 202500:00	–	cnnvd
CVE	CVE-2022-49416	26 Feb 202502:12	–	cve
Debian CVE	CVE-2022-49416	26 Feb 202502:12	–	debiancve
EUVD	EUVD-2022-54813	3 Oct 202520:07	–	euvd
NVD	CVE-2022-49416	26 Feb 202507:01	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:1263-1)	16 Apr 202500:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:1293-1)	18 Apr 202500:00	–	openvas
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

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/chan.c"
    ],
    "versions": [
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "88cc8f963febe192d6ded9df7217f92f380b449a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "4ba81e794f0fad6234f644c2da1ae14d5b95e1c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "9f1e5cc85ad77e52f54049a94db0407445ae2a34",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "265bec4779a38b65e86a25120370f200822dfa76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "6118bbdf69f4718b02d26bbcf2e497eb66004331",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "b79110f2bf6022e60e590d2e094728a8eec3e79e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "82c8e7bbdd06c7ed58e22450cc5b37f33a25bb2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "4f05a9e15edcdf5b97e0d86ab6ecd5f187289f6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f",
        "lessThan": "2965c4cdf7ad9ce0796fac5e57debb9519ea721e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/chan.c"
    ],
    "versions": [
      {
        "version": "3.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.318",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.283",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.247",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.198",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.121",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.46",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/265bec4779a38b65e86a25120370f200822dfa76
git	www.git.kernel.org/stable/c/4ba81e794f0fad6234f644c2da1ae14d5b95e1c4
git	www.git.kernel.org/stable/c/b79110f2bf6022e60e590d2e094728a8eec3e79e
git	www.git.kernel.org/stable/c/4f05a9e15edcdf5b97e0d86ab6ecd5f187289f6c
git	www.git.kernel.org/stable/c/9f1e5cc85ad77e52f54049a94db0407445ae2a34
git	www.git.kernel.org/stable/c/82c8e7bbdd06c7ed58e22450cc5b37f33a25bb2c
git	www.git.kernel.org/stable/c/88cc8f963febe192d6ded9df7217f92f380b449a
git	www.git.kernel.org/stable/c/2965c4cdf7ad9ce0796fac5e57debb9519ea721e
git	www.git.kernel.org/stable/c/6118bbdf69f4718b02d26bbcf2e497eb66004331

11 May 2026 18:59Current

EPSS0.00251