CVE-2023-53305
Bluetooth: L2CAP: Fix use-after-free
HIGH
7.8
CVSS Score
Published: September 16, 2025 at 04:11 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.14.3243.14 ≤ v < 4.14.3243.14 ≤ v < 4.19.2933.14 ≤ v < 5.10.1923.14 ≤ v < 5.15.1283.14 ≤ v < 5.4.2553.14 ≤ v < 6.1.473.14 ≤ v < 6.4.123.14 ≤ v < 6.54.15 ≤ v < 4.19.2934.20 ≤ v < 5.4.2555.11 ≤ v < 5.15.1285.16 ≤ v < 6.1.475.5 ≤ v < 5.10.1926.2 ≤ v < 6.4.123.1471fb419724fadab4efdf98210aa3fe053bd81d29
Vendor states this is fixed in 149daab45922ab1ac7f0cbeacab7251a46bf5e63 (fixed)
Vendor states this is fixed in 1a40c56e8bff3e424724d78a9a6b3272dd8a371d (fixed)
Vendor states this is fixed in 255be68150291440657b2cdb09420b69441af3d8 (fixed)
Vendor states this is fixed in 2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e (fixed)
Vendor states this is fixed in 548a6b64b3c0688f01119a6fcccceb41f8c984e4 (fixed)
Vendor states this is fixed in e76bab1b7afa580cd76362540fc37551ada4359b (fixed)
Vendor states this is fixed in f752a0b334bb95fe9b42ecb511e0864e2768046f (fixed)
Vendor states this is fixed in fe49aa73cca6608714477b74bfc6874b9db979df (fixed)
Vendor states this is fixed in 3.14 (unaffected)
Vendor states this is fixed in 4.14.324 (unaffected)
Vendor states this is fixed in 4.19.293 (unaffected)
Vendor states this is fixed in 5.10.192 (unaffected)
Vendor states this is fixed in 5.15.128 (unaffected)
Vendor states this is fixed in 5.4.255 (unaffected)
Vendor states this is fixed in 6.1.47 (unaffected)
Vendor states this is fixed in 6.4.12 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63
- https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371d
- https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8
- https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e
- https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4
References (8)
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371dPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8ePatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e76bab1b7afa580cd76362540fc37551ada4359bPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f752a0b334bb95fe9b42ecb511e0864e2768046fPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fe49aa73cca6608714477b74bfc6874b9db979dfSSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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