CVE-2022-23086
Users with access to the mpr, mps or mpt device node may overwrite heap data, potentially resulting in privilege escalation.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787, CWE-122
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- https://security.freebsd.org/advisories/FreeBSD-SA-22:06.ioctl.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20240419-0002/Third Party Advisory
- https://security.freebsd.org/advisories/FreeBSD-SA-22:06.ioctl.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20240419-0002/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.