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Description

In the Linux kernel, the following vulnerability has been resolved: devlink: hold region lock when flushing snapshots Netdevsim triggers a splat on reload, when it destroys regions with snapshots pending: WARNING: CPU: 1 PID: 787 at net/core/devlink.c:6291 devlink_region_snapshot_del+0x12e/0x140 CPU: 1 PID: 787 Comm: devlink Not tainted 6.1.0-07460-g7ae9888d6e1c #580 RIP: 0010:devlink_region_snapshot_del+0x12e/0x140 Call Trace: <TASK> devl_region_destroy+0x70/0x140 nsim_dev_reload_down+0x2f/0x60 [netdevsim] devlink_reload+0x1f7/0x360 devlink_nl_cmd_reload+0x6ce/0x860 genl_family_rcv_msg_doit.isra.0+0x145/0x1c0 This is the locking assert in devlink_region_snapshot_del(), we're supposed to be holding the region->snapshot_lock here.

PUBLISHED Reserved 2025-12-24 | Published 2025-12-24 | Updated 2025-12-24 | Assigner Linux

Product status

Default status
unaffected

2dec18ad826f52658f7781ee995d236cc449b678 (git) before 49383d4e59bb704341aaa1d51440ccce58270e61
affected

2dec18ad826f52658f7781ee995d236cc449b678 (git) before 6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae
affected

2dec18ad826f52658f7781ee995d236cc449b678 (git) before b4cafb3d2c740f8d1b1234b43ac4a60e5291c960
affected

Default status
affected

6.0
affected

Any version before 6.0
unaffected

6.0.16 (semver)
unaffected

6.1.2 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/49383d4e59bb704341aaa1d51440ccce58270e61

git.kernel.org/...c/6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae

git.kernel.org/...c/b4cafb3d2c740f8d1b1234b43ac4a60e5291c960

cve.org (CVE-2022-50712)

nvd.nist.gov (CVE-2022-50712)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.