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Description

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible UAF when kfifo_alloc() fails If kfifo_alloc() fails in mport_cdev_open(), goto err_fifo and just free priv. But priv is still in the chdev->file_list, then list traversal may cause UAF. This fixes the following smatch warning: drivers/rapidio/devices/rio_mport_cdev.c:1930 mport_cdev_open() warn: '&priv->list' not removed from list

PUBLISHED Reserved 2025-09-15 | Published 2025-09-15 | Updated 2025-09-15 | Assigner Linux

Product status

Default status
unaffected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 2a6c75adf8192f07ddcdd4a1a13488c890a73919
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 2dfd60724d271a6ab99f93f40f38f2ced1ddbb87
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before a253dde0403a153075ffb254f6f7b2635e49e97a
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 311b488405ac45af46756b1c8f1d27007b68b07e
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 5ee850645e42f541ce1ea8130c2b27cc495f965c
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 2f5cc7fd73fd6253cc71214f0dd499cc62feb469
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 2ba06e57f933f0eac242e8b389433da1cc00d4d5
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before cb87af2c19c0993f6e21f75b963a5599c5a73e76
affected

e8de370188d098bb49483c287b44925957c3c9b6 (git) before 02d7d89f816951e0862147d751b1150d67aaebdd
affected

Default status
affected

4.6
affected

Any version before 4.6
unaffected

4.9.337 (semver)
unaffected

4.14.303 (semver)
unaffected

4.19.270 (semver)
unaffected

5.4.229 (semver)
unaffected

5.10.163 (semver)
unaffected

5.15.86 (semver)
unaffected

6.0.16 (semver)
unaffected

6.1.2 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/2a6c75adf8192f07ddcdd4a1a13488c890a73919

git.kernel.org/...c/2dfd60724d271a6ab99f93f40f38f2ced1ddbb87

git.kernel.org/...c/a253dde0403a153075ffb254f6f7b2635e49e97a

git.kernel.org/...c/311b488405ac45af46756b1c8f1d27007b68b07e

git.kernel.org/...c/5ee850645e42f541ce1ea8130c2b27cc495f965c

git.kernel.org/...c/2f5cc7fd73fd6253cc71214f0dd499cc62feb469

git.kernel.org/...c/2ba06e57f933f0eac242e8b389433da1cc00d4d5

git.kernel.org/...c/cb87af2c19c0993f6e21f75b963a5599c5a73e76

git.kernel.org/...c/02d7d89f816951e0862147d751b1150d67aaebdd

cve.org (CVE-2022-50245)

nvd.nist.gov (CVE-2022-50245)

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