Use After Free vulnerability in Linux Kernel allows Privilege Escalation. An improper Update of Reference Count in io_uring leads to Use-After-Free and Local Privilege Escalation. When io_msg_ring was invoked with a fixed file, it called io_fput_file() which improperly decreased its reference count (leading to Use-After-Free and Local Privilege Escalation). Fixed files are permanently registered to the ring, and should not be put separately. We recommend upgrading past commit https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679
References
Link | Resource |
---|---|
https://kernel.dance/#fc7222c3a9f56271fba02aabbfbae999042f1679 | Patch Third Party Advisory |
https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 | Patch Third Party Advisory |
Configurations
Configuration 1 (hide)
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Information
Published : 2022-11-22 05:15
Updated : 2023-02-14 13:13
NVD link : CVE-2022-3910
Mitre link : CVE-2022-3910
JSON object : View
CWE
CWE-416
Use After Free
Products Affected
linux
- linux_kernel