#VU82755 Use-after-free in Linux kernel
Vulnerability identifier: #VU82755
Vulnerability risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows an attacker to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the brcm80211 in a brcmf_cfg80211_detach in the device unplugging (disconnect the USB by hotplug) code. An attacker with physical access to device can trigger a use-after-free error and escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 6.5 - 6.5.10
External links
http://bugzilla.suse.com/show_bug.cgi?id=1216702
http://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz@163.com/
http://marc.info/?l=linux-kernel&m=169907678011243&w=2
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
