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Description

In the Linux kernel, the following vulnerability has been resolved: can: ucan: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when drivers are unbound without their devices being physically disconnected (e.g. on probe deferral or configuration changes). Fix the control message buffer lifetime so that it is released on driver unbind.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-27 | Updated 2026-06-01 | Assigner Linux

Product status

Default status
unaffected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before 3df5b9110ac08f67ccfe382fc172bfee95688eec
affected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before 4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705
affected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before 10b7b676b78a7bd888d19729b459aad7fc1f428b
affected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before c524c124e3094d2de12235a513854c03d06a2b58
affected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae
affected

9f2d3eae88d26c29d96e42983b755940d9169cd9 (git) before fed4626501c871890da287bec62a96e52da1af89
affected

Default status
affected

4.19
affected

Any version before 4.19
unaffected

6.1.175 (semver)
unaffected

6.6.140 (semver)
unaffected

6.12.86 (semver)
unaffected

6.18.27 (semver)
unaffected

7.0.4 (semver)
unaffected

7.1-rc1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/3df5b9110ac08f67ccfe382fc172bfee95688eec

git.kernel.org/...c/4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705

git.kernel.org/...c/10b7b676b78a7bd888d19729b459aad7fc1f428b

git.kernel.org/...c/c524c124e3094d2de12235a513854c03d06a2b58

git.kernel.org/...c/c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae

git.kernel.org/...c/fed4626501c871890da287bec62a96e52da1af89

cve.org (CVE-2026-46103)

nvd.nist.gov (CVE-2026-46103)

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