CVE-2022-49057

block: null_blk: end timed out poll request

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 01:54 AM UTC
Updated: June 17, 2026 at 05:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: block: null_blk: end timed out poll request When poll request is timed out, it is removed from the poll list, but not completed, so the request is leaked, and never get chance to complete. Fix the issue by ending it in timeout handler.

Affected

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

5.16 ≤ v < 5.17.45.16 ≤ v < 5.180a593fbbc245a85940ed34caa3aa1e4cb060c54b5.165.18 rc15.18 rc2
Vendor states this is fixed in 3e3876d322aef82416ecc496a4d4a587e0fdf7a3 (fixed)
Vendor states this is fixed in 407d09a22f3f685fd634aa5d05840c64b23bfebc (fixed)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.17.4 (unaffected)
Vendor states this is fixed in 5.18 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3e3876d322aef82416ecc496a4d4a587e0fdf7a3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/407d09a22f3f685fd634aa5d05840c64b23bfebc

CVSS

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

Quick Info

StatusANALYZED
CWE
CWE-401

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