CVE-2025-21662

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-21662
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21662.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21662
Downstream
Related
Published
2025-01-21T12:18:17.674Z
Modified
2025-11-28T02:35:06.189779Z
Summary
net/mlx5: Fix variable not being completed when function returns
Details

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Fix variable not being completed when function returns

When cmdallocindex(), fails cmdworkhandler() needs to complete ent->slotted before returning early. Otherwise the task which issued the command may hang:

mlx5core 0000:01:00.0: cmdworkhandler:877:(pid 3880418): failed to allocate command entry INFO: task kworker/13:2:4055883 blocked for more than 120 seconds. Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1 "echo 0 > /proc/sys/kernel/hungtasktimeoutsecs" disables this message. kworker/13:2 D 0 4055883 2 0x00000228 Workqueue: events mlx5etxdimwork [mlx5core] Call trace: _switchto+0xe8/0x150 _schedule+0x2a8/0x9b8 schedule+0x2c/0x88 scheduletimeout+0x204/0x478 waitforcommon+0x154/0x250 waitforcompletion+0x28/0x38 cmdexec+0x7a0/0xa00 [mlx5core] mlx5cmdexec+0x54/0x80 [mlx5core] mlx5coremodifycq+0x6c/0x80 [mlx5core] mlx5coremodifycqmoderation+0xa0/0xb8 [mlx5core] mlx5etxdimwork+0x54/0x68 [mlx5core] processonework+0x1b0/0x448 workerthread+0x54/0x468 kthread+0x134/0x138 retfrom_fork+0x10/0x18

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21662.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4baae687a20ef2b82fde12de3c04461e6f2521d6
Fixed
f0a2808767ac39f64b1d9a0ff865c255073cf3d4
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f9caccdd42e999b74303c9b0643300073ed5d319
Fixed
229cc10284373fbe754e623b7033dca7e7470ec8
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
485d65e1357123a697c591a5aeb773994b247ad7
Fixed
36124081f6ffd9dfaad48830bdf106bb82a9457d
Fixed
0e2909c6bec9048f49d0c8e16887c63b50b14647
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
2d0962d05c93de391ce85f6e764df895f47c8918
Last affected
94024332a129c6e4275569d85c0c1bfb2ae2d71b

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.125
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.72
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.10