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CVE-2023-53827 Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}

🗓️ 09 Dec 2025 01:29:40Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 26 Views

Linux kernel Bluetooth fix use-after-free in disconnect requests and responses by holding the channel until safe.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15
3 May 202623:59
–astralinux
Circl		CVE-2023-53827
9 Dec 202508:20
–circl
CNNVD		Linux kernel 安全漏洞
9 Dec 202500:00
–cnnvd
CVE		CVE-2023-53827
9 Dec 202501:29
–cve
Debian CVE		CVE-2023-53827
9 Dec 202501:29
–debiancve
EUVD		EUVD-2023-60169
9 Dec 202518:30
–euvd
NVD		CVE-2023-53827
9 Dec 202516:17
–nvd
OpenVAS		SUSE: Security Advisory (SUSE-SU-2026:1078-1)
30 Mar 202600:00
–openvas
OSV		BELL-CVE-2023-53827
10 Dec 202506:07
–osv
OSV		CLSA-2026-1770028389 kernel: Fix of 14 CVEs
2 Feb 202610:33
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "f2d38e77aa5f3effc143e7dd24da8acf02925958",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "1351551aa9058e07a20a27a158270cf84fcde621",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "c02421992505c95c7f3c9ad59ee35e22eac60988",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "d9ba36c22a7bb09d6bac4cc2f243eff05da53f43",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "ac6725a634f7e8c0330610a8527f20c730b61115",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "348d446762e7c70778df8bafbdf3fa0df2123f58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61d6ef3e3408cdf7e622646fb90a9f7f9560b943",
        "lessThan": "a2a9339e1c9deb7e1e079e12e27a0265aea8421a",
        "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/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "3.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.313",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.281",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.241",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.178",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.108",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.25",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.12",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:52Current
EPSS0.00216
bluetoothchanneluse after freedisconnect requestsdisconnect responseslinux kernel
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