CVE-2025-21904

Description

In the Linux kernel, the following vulnerability has been resolved: caif_virtio: fix wrong pointer check in cfv_probe() del_vqs() frees virtqueues, therefore cfv->vq_tx pointer should be checked for NULL before calling it, not cfv->vdev. Also the current implementation is redundant because the pointer cfv->vdev is dereferenced before it is checked for NULL. Fix this by checking cfv->vq_tx for NULL instead of cfv->vdev before calling del_vqs().

Reserved 2024-12-29 | Published 2025-04-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 990fff6980d0c1693d60a812f58dbf93eab0473f
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 7b5fe58959822e6cfa884327cabba6be3b01883d
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 8e4e08ca4cc634b337bb74bc9a70758fdeda0bcb
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 29e0cd296c87240278e2f7ea4cf3f496b60c03af
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 90d302619ee7ce5ed0c69c29c290bdccfde66418
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 56cddf71cce3b15b078e937fadab29962b6f6643
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before 597c27e5f04cb50e56cc9aeda75d3e42b6b89c3e
affected

0d2e1a2926b1839a4b74519e660739b2566c9386 before a466fd7e9fafd975949e5945e2f70c33a94b1a70
affected

Default status
affected

3.10
affected

Any version before 3.10
unaffected

5.4.291
unaffected

5.10.235
unaffected

5.15.179
unaffected

6.1.131
unaffected

6.6.83
unaffected

6.12.19
unaffected

6.13.7
unaffected

6.14
unaffected

References

git.kernel.org/...c/990fff6980d0c1693d60a812f58dbf93eab0473f

git.kernel.org/...c/7b5fe58959822e6cfa884327cabba6be3b01883d

git.kernel.org/...c/8e4e08ca4cc634b337bb74bc9a70758fdeda0bcb

git.kernel.org/...c/29e0cd296c87240278e2f7ea4cf3f496b60c03af

git.kernel.org/...c/90d302619ee7ce5ed0c69c29c290bdccfde66418

git.kernel.org/...c/56cddf71cce3b15b078e937fadab29962b6f6643

git.kernel.org/...c/597c27e5f04cb50e56cc9aeda75d3e42b6b89c3e

git.kernel.org/...c/a466fd7e9fafd975949e5945e2f70c33a94b1a70

cve.org (CVE-2025-21904)

nvd.nist.gov (CVE-2025-21904)

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