CVE-2022-50676

High

In the Linux kernel, the following vulnerability has been resolved: net: rds: don't hold sock lock when cancelling work from rds_tcp_reset_callbacks() syzbot is reporting lockdep warning at rds_tcp_reset_callbacks() [1], for commit ac3615e7f3cffe2a ("RDS: TCP: Reduce code duplication in rds_tcp_reset_callbacks()") added cancel_delayed_work_sync() into a section protected by lock_sock() without realizing that rds_send_xmit() might call lock_sock(). We don't need to protect cancel_delayed_work_sync() using lock_sock(), for even if rds_{send,recv}_worker() re-queued this work while __flush_work() from cancel_delayed_work_sync() was waiting for this work to complete, retried rds_{send,recv}_worker() is no-op due to the absence of RDS_CONN_UP bit.

Package Linux Kernel
Published 2025-12-09
Last modified 2026-08-04
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 4.8 and later are affected. Fixed in 4.9.331, 4.14.296, 4.19.262, 5.4.220, 5.10.150, 5.15.75, 5.19.17, 6.0.3, 6.1 and their respective stable series.

Affected from
≥ 4.8
Fixed in
✓ 4.9.331 4.9.x ✓ 4.14.296 4.14.x ✓ 4.19.262 4.19.x ✓ 5.4.220 5.4.x ✓ 5.10.150 5.10.x ✓ 5.15.75 5.15.x ✓ 5.19.17 5.19.x ✓ 6.0.3 6.0.x ✓ 6.1

Frequently asked questions

  • What is CVE-2022-50676?

    CVE-2022-50676 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . It affects Linux kernel versions from 4.8 onward and has been patched in 4.9.331, 4.14.296, 4.19.262 and others. CVE-2022-50676 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-50676?

    CVE-2022-50676 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2022-50676?

    Yes. CVE-2022-50676 has been patched. Fixed versions include 4.9.331, 4.14.296, 4.19.262 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2022-50676 actively exploited?

    No. CVE-2022-50676 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.