Vulnerability DatabaseCVE-2022-41849
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CVE-2022-41849
September 30, 2022
drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.
Related Resources (7)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5610bcfe8693c02e2e4c8b31427f1bdbdecc839c
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-41849
https://lore.kernel.org/all/20220925133243.GA383897%40ubuntu/T/
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
https://security-tracker.debian.org/tracker/CVE-2022-41849
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
https://lore.kernel.org/all/20220925133243.GA383897@ubuntu/T/
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CVSS v4
Base Score:
4.1
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
EPSS
Base Score:
0.03