CVE-2021-34981

CWE-415CWE-416 — Use After Free6 documents6 sources
Severity
6.7MEDIUM
EPSS
0.0%
top 98.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux Linux KernelLinux Kernel
Timeline
PublishedMay 7
Latest updateMay 8

Description

Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CMTP module. The issue results from the lack of validating the existence of an object prior to performing further free operations on the …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages3 packages

▶NVDlinux/linux_kernel< 5.10.42
▶CVEListV5linux/kernel4.15.0-118-generic
▶Debianlinux< 5.10.46-1+3

🔴Vulnerability Details

3
GHSA
GHSA-98qh-xfx7-vfqv: Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability↗2024-05-08
▶
OSV
CVE-2021-34981: Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability↗2024-05-07
▶
CVEList
Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability↗2024-05-07
▶

📋Vendor Advisories

2
Red Hat
kernel: Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability↗2021-10-25
▶
Debian
CVE-2021-34981: linux - Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerabilit...↗2021
▶