CVE-2022-49633

icmp: Fix data-races around sysctl_icmp_echo_enable_probe.

MEDIUM
4.7
CVSS Score
Published: February 26, 2025 at 02:23 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: icmp: Fix data-races around sysctl_icmp_echo_enable_probe. While reading sysctl_icmp_echo_enable_probe, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Affected

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

5.13 ≤ v < 5.15.565.13 ≤ v < 5.18.135.13 ≤ v < 5.195.16 ≤ v < 5.18.135.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc6d329ea5bd8845f0b196bf41b18b6173340d6e0e4
Vendor states this is fixed in 05c615033174f1d19374f42285ccd8e9af13e427 (fixed)
Vendor states this is fixed in 4a2f7083cc6cb72dade9a63699ca352fad26d1cd (fixed)
Vendor states this is fixed in cce955efa0ab81f7fb72e22beed372054c86005c (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.56 (unaffected)
Vendor states this is fixed in 5.18.13 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/05c615033174f1d19374f42285ccd8e9af13e427
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4a2f7083cc6cb72dade9a63699ca352fad26d1cd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cce955efa0ab81f7fb72e22beed372054c86005c

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-362

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