vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-49599

tcp: Fix data-races around sysctl_tcp_l3mdev_accept.

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

Using Linux by Linux?

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

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
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 data-races around sysctl_tcp_l3mdev_accept. While reading sysctl_tcp_l3mdev_accept, 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.

Linux Kernel· Linux
95%
4.5 ≤ v < 5.10.1374.5 ≤ v < 5.15.584.5 ≤ v < 5.18.154.5 ≤ v < 5.195.11 ≤ v < 5.15.585.16 ≤ v < 5.18.155.19 rc15.19 rc25.19 rc35.19 rc45.19 rc55.19 rc65.19 rc76dd9a14e92e54895e143f10fef4d0b9abe109aa9
Vendor states this is fixed in 08a75f10679470552a3a443f9aefd1399604d31d (fixed)
Vendor states this is fixed in 1d9c81833dec46ccb52a1d0db970fefb7c4fa071 (fixed)
Vendor states this is fixed in 7d38d86b818104cf88961f3aebea34da89364a8e (fixed)
Vendor states this is fixed in 9ba9cd43b5776c27d25e5a32dde9e80bdeb1c6a1 (fixed)
Vendor states this is fixed in 4.5 (unaffected)
Vendor states this is fixed in 5.10.137 (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)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/08a75f10679470552a3a443f9aefd1399604d31d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1d9c81833dec46ccb52a1d0db970fefb7c4fa071
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7d38d86b818104cf88961f3aebea34da89364a8e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9ba9cd43b5776c27d25e5a32dde9e80bdeb1c6a1

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

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.

Create accountSign in
Free plan, no card