CVE-2022-48967
NFC: nci: Bounds check struct nfc_target arrays
Using Linux by Linux?
Get instant alerts when new vulnerabilities affect Linux - before attackers find them.
Description
In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Bounds check struct nfc_target arrays While running under CONFIG_FORTIFY_SOURCE=y, syzkaller reported: memcpy: detected field-spanning write (size 129) of single field "target->sensf_res" at net/nfc/nci/ntf.c:260 (size 18) This appears to be a legitimate lack of bounds checking in nci_add_new_protocol(). Add the missing checks.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/27eb2d7a1b9987b6d0429b7716b1ff3b82c4ffc9
- https://git.kernel.org/stable/c/6778434706940b8fad7ef35f410d2b9929f256d2
- https://git.kernel.org/stable/c/6b37f0dc0638d13a006f2f24d2f6ca61e83bc714
- https://git.kernel.org/stable/c/908b2da426fe9c3ce74cf541ba40e7a4251db191
- https://git.kernel.org/stable/c/cff35329070b96b4484d23f9f48a5ca2c947e750
References (8)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Quick Info
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.