PT-2022-5150 · Linux+6 · Linux Kernel+6
Billy Jheng Bing Jhong
+1
·
Published
2022-10-18
·
Updated
2026-06-01
·
CVE-2022-2602
CVSS v2.0
7.2
High
| Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions 5.1 through 6.0.3
Description
A use-after-free issue exists in the io uring asynchronous input/output interface of the Linux kernel, specifically related to Unix SCM garbage collection and the improper update of reference counts. This flaw allows an unprivileged user to escalate privileges to root level. Technical exploitation may involve using inode locking to pause a kernel thread and employing the DirtyCred file exploitation technique.
Recommendations
Update Linux kernel to a version later than 6.0.3.
Exploit
Fix
DoS
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu