CVE-2022-23086— mpr/mps/mpt driver ioctl heap out-of-bounds write
Possible ATT&CK Techniques 2AI
T1068 · Exploitation for Privilege Escalation T1203 · Exploitation for Client ExecutionGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2022-23086
Vulnerability Information
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Vulnerability Title
mpr/mps/mpt driver ioctl heap out-of-bounds write
Source: CVE Program / CVE List V5
Vulnerability Description
Handlers for *_CFG_PAGE read / write ioctls in the mpr, mps, and mpt drivers allocated a buffer of a caller-specified size, but copied to it a fixed size header. Other heap content would be overwritten if the specified size was too small. Users with access to the mpr, mps or mpt device node may overwrite heap data, potentially resulting in privilege escalation. Note that the device node is only accessible to root and members of the operator group.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是Freebsd基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞源于mpr、mps和mpt磁盘收集器驱动程序中存在边界错误。本地攻击者利用该漏洞升级系统上的权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-23086
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Vendor Advisories for CVE-2022-23086 (1)
Other References for CVE-2022-23086 (1)
Same Patch Batch · FreeBSD · 2024-02-15 · 12 CVEs total
| CVE-2022-23093 | Stack overflow in ping(8) | |
| CVE-2022-23092 | Missing bounds check in 9p message handling | |
| CVE-2022-23091 | Memory disclosure by stale virtual memory mapping | |
| CVE-2022-23090 | AIO credential reference count leak | |
| CVE-2022-23089 | Out of bound read in elf_note_prpsinfo() | |
| CVE-2022-23088 | 802.11 heap buffer overflow | |
| CVE-2022-23087 | Bhyve e82545 device emulation out-of-bounds write | |
| CVE-2022-23085 | Potential jail escape vulnerabilities in netmap | |
| CVE-2022-23084 | Potential jail escape vulnerabilities in netmap | |
| CVE-2024-25941 | jail(2) information leak | |
| CVE-2024-25940 | bhyveload(8) host file access |
IV. Related Vulnerabilities
Same product: FreeBSD
- CVE-2026-49416
Integer overflow in vt(4) CONS_HISTORY ioctl - CVE-2026-49414
ASLR bypass for setuid executables via procctl(2) - CVE-2026-49413
Flaw in Linuxulator execution of setugid binaries - CVE-2026-49412
Use-after-free bug in the IPV6_MSFILTER socket option handle - CVE-2026-45259
sigqueue(2) missing capability mode restriction
Same vendor: FreeBSD
- CVE-2026-49416
Integer overflow in vt(4) CONS_HISTORY ioctl - CVE-2026-49414
ASLR bypass for setuid executables via procctl(2) - CVE-2026-49413
Flaw in Linuxulator execution of setugid binaries - CVE-2026-49412
Use-after-free bug in the IPV6_MSFILTER socket option handle - CVE-2026-45259
sigqueue(2) missing capability mode restriction
V. Comments for CVE-2022-23086
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