Home

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Add null pointer check in gserial_suspend Consider a case where gserial_disconnect has already cleared gser->ioport. And if gserial_suspend gets called afterwards, it will lead to accessing of gser->ioport and thus causing null pointer dereference. Avoid this by adding a null pointer check. Added a static spinlock to prevent gser->ioport from becoming null after the newly added null pointer check.

PUBLISHED Reserved 2025-09-16 | Published 2025-09-17 | Updated 2025-09-17 | Assigner Linux

Product status

Default status
unaffected

aba3a8d01d623a5efef48ab8e78752d58d4c90c3 (git) before 2788a3553f7497075653210b42e2aeb6ba95e28e
affected

aba3a8d01d623a5efef48ab8e78752d58d4c90c3 (git) before a8ea7ed644cbf6314b5b0136b5398754b549fb8f
affected

aba3a8d01d623a5efef48ab8e78752d58d4c90c3 (git) before e60a827ac074ce6bd58305fe5a86afab5fce6a04
affected

aba3a8d01d623a5efef48ab8e78752d58d4c90c3 (git) before 374447e3367767156405bedd230c5d391f4b7962
affected

aba3a8d01d623a5efef48ab8e78752d58d4c90c3 (git) before 2f6ecb89fe8feb2b60a53325b0eeb9866d88909a
affected

Default status
affected

5.8
affected

Any version before 5.8
unaffected

5.10.188 (semver)
unaffected

5.15.121 (semver)
unaffected

6.1.39 (semver)
unaffected

6.4.4 (semver)
unaffected

6.5 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/2788a3553f7497075653210b42e2aeb6ba95e28e

git.kernel.org/...c/a8ea7ed644cbf6314b5b0136b5398754b549fb8f

git.kernel.org/...c/e60a827ac074ce6bd58305fe5a86afab5fce6a04

git.kernel.org/...c/374447e3367767156405bedd230c5d391f4b7962

git.kernel.org/...c/2f6ecb89fe8feb2b60a53325b0eeb9866d88909a

cve.org (CVE-2023-53356)

nvd.nist.gov (CVE-2023-53356)

Download JSON