Use After Free in Linux Kernel
CVE-2023-1079
A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED controller while the device is disconnecting, triggering a use-after-free on the struct asus_kbd_leds *led structure. A malicious USB device may exploit the issue to cause memory corruption with controlled data.
Vulnerability class: Use-After-Free
EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a Linux Kernel — versions unknown
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Mailing List)
- secalert@redhat.com (mailing-list)
- secalert@redhat.com (mailing-list)
Frequently asked questions
- What is CVE-2023-1079?
- CVE-2023-1079 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.8/10. Published 2023-03-27.
- How severe is CVE-2023-1079?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2023-1079 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.