Description
In the Linux kernel, the following vulnerability has been resolved: serial: Fix potential null-ptr-deref in mlb_usio_probe() devm_ioremap() can return NULL on error. Currently, mlb_usio_probe() does not check for this case, which could result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue.
Product status
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before a05ebe384c7ca75476453f3070c67d9cf1d1a89f
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before 81159a6b064142b993f2f39828b77e199c77872a
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before 19fd9f5a69363d33079097d866eb6082d61bf31d
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before 548b0e81b9a0902a8bc8259430ed965663baadfc
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before e1b144aebe6fb898d96ced8c990d7aa38fda4a7a
ba44dc04300441b47618f9933bf36e75a280e5fe (git) before 86bcae88c9209e334b2f8c252f4cc66beb261886
5.2
Any version before 5.2
5.4.295 (semver)
5.10.239 (semver)
5.15.186 (semver)
6.1.142 (semver)
6.6.94 (semver)
6.12.34 (semver)
6.15.3 (semver)
6.16 (original_commit_for_fix)
References
lists.debian.org/debian-lts-announce/2025/10/msg00008.html
lists.debian.org/debian-lts-announce/2025/10/msg00007.html
git.kernel.org/...c/a05ebe384c7ca75476453f3070c67d9cf1d1a89f
git.kernel.org/...c/81159a6b064142b993f2f39828b77e199c77872a
git.kernel.org/...c/19fd9f5a69363d33079097d866eb6082d61bf31d
git.kernel.org/...c/548b0e81b9a0902a8bc8259430ed965663baadfc
git.kernel.org/...c/a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea
git.kernel.org/...c/c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d
git.kernel.org/...c/e1b144aebe6fb898d96ced8c990d7aa38fda4a7a
git.kernel.org/...c/86bcae88c9209e334b2f8c252f4cc66beb261886