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CVE-2022-49637

nvd nist
Published: Feb 26, 2025Modified: Jun 17, 2026

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4.7
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.0 / Impact: 3.6
Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.

Affected (10)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
5.11 ≤ version < 5.15.56
Linux Kernel
5.16 ≤ version < 5.18.13
Linux Kernel
5.2 ≤ version < 5.4.207
Linux Kernel
5.5 ≤ version < 5.10.132
Linux Kernel
Version 5.19 rc1
Linux Kernel
Version 5.19 rc2
Linux Kernel
Version 5.19 rc3
Linux Kernel
Version 5.19 rc4
Linux Kernel
Version 5.19 rc5
Linux Kernel
Version 5.19 rc6

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (5)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch

Timeline

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