CVE-2023-40283

CWE-416 — Use After Free26 documents9 sources
Severity
7.8HIGH
EPSS
0.0%
top 98.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux Linux KernelCanonical Ubuntu LinuxDebian Debian Linux
Timeline
PublishedAug 14
Latest updateNov 28

Description

An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDlinux/linux_kernel3.5 — 4.14.322+6
▶Debianlinux< 5.10.191-1+3

Also affects: Debian Linux 10.0, 11.0, 12.0, Ubuntu Linux 14.04, 16.04, 18.04, 20.04, 22.04

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

7
OSV
linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities↗2023-10-03
▶
OSV
linux-raspi vulnerabilities↗2023-09-29
▶
OSV
linux-bluefield, linux-raspi, linux-raspi-5.4 vulnerabilities↗2023-09-26
▶
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, lin↗2023-09-19
▶
GHSA
GHSA-cp56-rpr6-7673: An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock↗2023-08-14
▶

📋Vendor Advisories

18
Ubuntu
Kernel Live Patch Security Notice↗2023-11-28
▶
Ubuntu
Linux kernel (NVIDIA) vulnerabilities↗2023-10-31
▶
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2023-40283↗2023-10-24
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2023-10-17
▶
Ubuntu
Kernel Live Patch Security Notice↗2023-10-10
▶
CVE-2023-40283 (HIGH CVSS 7.8) | An issue was discovered in l2cap_so | cvebase.io