CVEvulnerability
CVE-2022-49637
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-362
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 configurations
• linux linux kernel (>= 5.2 < 5.4.207)
• linux linux kernel (>= 5.5 < 5.10.132)
• linux linux kernel (>= 5.11 < 5.15.56)
• linux linux kernel (>= 5.16 < 5.18.13)
• linux linux kernel 5.19
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 Patch
- https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 Patch
- https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 Patch
- https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c Patch
- https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2 Patch