CVE-2022-49356

SUNRPC: Trap RDMA segment overflows

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:11 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.7%

Description

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svc_rdma_build_writes() from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlier prototype of the PCL work.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.11 ≤ v < 5.15.475.11 ≤ v < 5.17.155.11 ≤ v < 5.18.45.11 ≤ v < 5.195.16 ≤ v < 5.17.155.18 ≤ v < 5.18.45.19 rc17a1cbfa18059a40d4752dab057384c3ca2de326c
Vendor states this is fixed in 659f7568e09593945c221bf20217a82ebdfe1328 (fixed)
Vendor states this is fixed in 812c13521d4a72469c78ce06d8cdc8dc5b5557b5 (fixed)
Vendor states this is fixed in ea26bf5eca1459b5a7824997d7823409ce38214e (fixed)
Vendor states this is fixed in f012e95b377c73c0283f009823c633104dedb337 (fixed)
Vendor states this is fixed in 5.11 (unaffected)
Vendor states this is fixed in 5.15.47 (unaffected)
Vendor states this is fixed in 5.17.15 (unaffected)
Vendor states this is fixed in 5.18.4 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/659f7568e09593945c221bf20217a82ebdfe1328
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/812c13521d4a72469c78ce06d8cdc8dc5b5557b5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ea26bf5eca1459b5a7824997d7823409ce38214e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f012e95b377c73c0283f009823c633104dedb337

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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.

Free plan, no card