CVE-2022-49638

icmp: Fix data-races around sysctl.

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. While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.

Affected

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

3.18 ≤ v < 4.14.2893.18 ≤ v < 4.19.2533.18 ≤ v < 4.9.3243.18 ≤ v < 5.10.1323.18 ≤ v < 5.15.563.18 ≤ v < 5.18.133.18 ≤ v < 5.193.18 ≤ v < 5.4.2074.10 ≤ v < 4.14.2894.15 ≤ v < 4.19.2534.20 ≤ v < 5.4.2075.11 ≤ v < 5.15.565.16 ≤ v < 5.18.135.5 ≤ v < 5.10.1324cdf507d54525842dfd9f6313fdafba0390840465.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc6
Vendor states this is fixed in 0cba7ca667ceb06934746ddd9833a25847bde81d (fixed)
Vendor states this is fixed in 1740e5922fbb705637ae9fa5203db132fc45f9f6 (fixed)
Vendor states this is fixed in 48d7ee321ea5182c6a70782aa186422a70e67e22 (fixed)
Vendor states this is fixed in 53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6 (fixed)
Vendor states this is fixed in 798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06 (fixed)
Vendor states this is fixed in e088ceb73c24ab4774da391d54a6426f4bfaefce (fixed)
Vendor states this is fixed in e2828e8c605853f71267825c9415437c0a93e4f2 (fixed)
Vendor states this is fixed in edeec63b13c252193d626c2a48d7a2f0e7016dc2 (fixed)
Vendor states this is fixed in 3.18 (unaffected)
Vendor states this is fixed in 4.14.289 (unaffected)
Vendor states this is fixed in 4.19.253 (unaffected)
Vendor states this is fixed in 4.9.324 (unaffected)
Vendor states this is fixed in 5.10.132 (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)
Vendor states this is fixed in 5.4.207 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0cba7ca667ceb06934746ddd9833a25847bde81d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2

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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