CVE-2022-49595
tcp: Fix a data-race around sysctl_tcp_probe_threshold.
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: tcp: Fix a data-race around sysctl_tcp_probe_threshold. While reading sysctl_tcp_probe_threshold, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.1 ≤ v < 4.14.2904.1 ≤ v < 4.19.2544.1 ≤ v < 4.9.3254.1 ≤ v < 5.10.1344.1 ≤ v < 5.15.584.1 ≤ v < 5.18.154.1 ≤ v < 5.194.1 ≤ v < 5.4.2084.10 ≤ v < 4.14.2904.15 ≤ v < 4.19.2544.20 ≤ v < 5.4.2085.11 ≤ v < 5.15.585.16 ≤ v < 5.18.155.5 ≤ v < 5.10.1345.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc65.19 rc76b58e0a5f32dedb609438bb9c9c82aa6e23381f2
Vendor states this is fixed in 44768749980d53bc01980d9c060f736808d11af0 (fixed)
Vendor states this is fixed in 92c0aa4175474483d6cf373314343d4e624e882a (fixed)
Vendor states this is fixed in 96900fa61777402eb5056269d8000aace33a8b6c (fixed)
Vendor states this is fixed in 9b5dc7ad6da1373d3c60d4b869d688f996e5d219 (fixed)
Vendor states this is fixed in b04817c94fbd285a967d9b830b274fe9998c9c0b (fixed)
Vendor states this is fixed in d452ce36f2d4c402fa3f5275c9677f80166e7fc6 (fixed)
Vendor states this is fixed in f524c3e7f6cdad66b3b6a912cef47b656f8b0de3 (fixed)
Vendor states this is fixed in fa5fb2cf9393db898772db8cb897ed5fd265eb78 (fixed)
Vendor states this is fixed in 4.1 (unaffected)
Vendor states this is fixed in 4.14.290 (unaffected)
Vendor states this is fixed in 4.19.254 (unaffected)
Vendor states this is fixed in 4.9.325 (unaffected)
Vendor states this is fixed in 5.10.134 (unaffected)
Vendor states this is fixed in 5.15.58 (unaffected)
Vendor states this is fixed in 5.18.15 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.4.208 (unaffected)
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/44768749980d53bc01980d9c060f736808d11af0
- https://git.kernel.org/stable/c/92c0aa4175474483d6cf373314343d4e624e882a
- https://git.kernel.org/stable/c/96900fa61777402eb5056269d8000aace33a8b6c
- https://git.kernel.org/stable/c/9b5dc7ad6da1373d3c60d4b869d688f996e5d219
- https://git.kernel.org/stable/c/b04817c94fbd285a967d9b830b274fe9998c9c0b
References (8)
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/44768749980d53bc01980d9c060f736808d11af0Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/92c0aa4175474483d6cf373314343d4e624e882aPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/96900fa61777402eb5056269d8000aace33a8b6cPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9b5dc7ad6da1373d3c60d4b869d688f996e5d219Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b04817c94fbd285a967d9b830b274fe9998c9c0bPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d452ce36f2d4c402fa3f5275c9677f80166e7fc6Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f524c3e7f6cdad66b3b6a912cef47b656f8b0de3Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fa5fb2cf9393db898772db8cb897ed5fd265eb78SSVC — 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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