CVE-2023-53827

🗓️ 09 Dec 2025 01:29:40Reported by LinuxType

CVE-2023-53827: Linux kernel Bluetooth L2CAP fix use-after-free in disconnect requests and responses.

Reporter	Title	Published	Views	Family All 316
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux, linux-5.15	20 May 202605:53	–	astralinux
Circl	CVE-2023-53827	9 Dec 202508:20	–	circl
CNNVD	Linux kernel 安全漏洞	9 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-53827 Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}	9 Dec 202501:29	–	cvelist
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

Vulners

CNA

Node

linux linux_kernelRange3.5–4.14.313

linux linux_kernelRange4.15.0–4.19.281

linux linux_kernelRange4.20.0–5.4.241

linux linux_kernelRange5.5.0–5.10.178

linux linux_kernelRange5.11.0–5.15.108

linux linux_kernelRange5.16.0–6.1.25

linux linux_kernelRange6.2.0–6.2.12

linux linux_kernelRange6.3.0≥

[
  {
    "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
git	www.git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
git	www.git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
git	www.git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958
git	www.git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
git	www.git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
git	www.git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
git	www.git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43

11 May 2026 19:52Current

6.1Medium risk

Vulners AI Score6.1

EPSS0.0004